The Natural History of Selborne Volume I Part 8

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There is an oestrus, known in these parts to every ploughboy, which, because it is omitted by Linnaeus, is also pa.s.sed over by late writers; and that is the _curvicauda_ of old Mouset, mentioned by Derham in his "Physico-Theology," p. 250; an insect worthy of remark for depositing its eggs as it flies in so dextrous manner on the single hairs of the legs and flanks of gra.s.s-horses. But then Derham is mistaken when he advances that this oestrus is the parent of that wonderful star-tailed maggot which he mentions afterwards; for more modern entomologists have discovered that singular production to be derived from the egg, or the _musca chamaeleon_; see Geoffroy, t. xvii. f. 4.

A full history of noxious insects hurtful in the field, garden, and house, suggesting all the known and likely means of destroying them, would be allowed by the public to be a most useful and important work.

What knowledge there is of this sort lies scattered, and wants to be collected; great improvements would soon follow, of course. A knowledge of the properties, economy, propagation, and, in short, of the life and conversation of these animals, is a necessary step to lead us to some method of preventing their depredations.

As far as I am a judge, nothing would recommend entomology more than some neat plates that should well express the generic distinctions of insects according to Linnaeus; for I am well a.s.sured that many people would study insects, could they set out with a more adequate notion of those distinctions than can be conveyed at first by words alone.

LETTER x.x.xV.

SELBORNE, 1771.

Dear Sir,--Happening to make a visit to my neighbour's peac.o.c.ks, I could not help observing that the trains of those magnificent birds appear by no means to be their tails, those long feathers growing not from their _uropygium_, but all up their backs. A range of short brown stiff feathers, about six inches long, fixed in the _uropygium_, is the real tail, and serves as the fulcrum to prop the train, which is long and top-heavy, when set on end. When the train is up, nothing appears of the bird before but its head and neck; but this would not be the case were those long feathers fixed only in the rump, as may be seen by the turkey c.o.c.k when in a strutting att.i.tude. By a strong muscular vibration these birds can make the shafts of their long feathers clatter like the swords of a sword-dancer; they then trample very quick with their feet, and run backwards towards the females.

I should tell you that I have got an uncommon _calculus aegogropila_, taken out of the stomach of a fat ox; it is perfectly round, and about the size of a large Seville orange; such are, I think, usually flat.

LETTER x.x.xVI.

_Sept._, 1771.

Dear Sir,--The summer through I have seen but two of that large species of bat which I call _vespertilio altivolans_, from its manner of feeding high in the air; I procured one of them, and found it to be a male, and made no doubt, as they accompanied together, that the other was a female; but, happening in an evening or two to procure the other likewise, I was somewhat disappointed, when it appeared to be also of the same s.e.x. This circ.u.mstance, and the great scarcity of this sort, at least in these parts, occasions some suspicions in my mind whether it is really a species, or whether it may not be the male part of the more known species, one of which may supply many females, as is known to be the case in sheep and some other quadrupeds. But this doubt can only be cleared by a farther examination, and some attention to the s.e.x, of more specimens: all that I know at present is, that my two were amply furnished with the parts of generation, much resembling those of a boar.

In the extent of their wings they measured fourteen inches and a half, and four inches and a half from the nose to the tip of the tail; their heads were large, their nostrils bilobated, their shoulders broad and muscular, and their whole bodies fleshy and plump. Nothing could be more sleek and soft than their fur, which was of a bright chestnut colour; their maws were full of food, but so macerated that the quality could not be distinguished; their livers, kidneys, and hearts were large, and their bowels covered with fat. They weighed each, when entire, full one ounce and one drachm. Within the ear there was somewhat of a peculiar structure that I did not understand perfectly! but refer it to the observation of the curious anatomist. These creatures sent forth a very rancid and offensive smell.

LETTER x.x.xVII.

SELBORNE, 1771.

Dear Sir,--On the 12th July I had a fair opportunity of contemplating the motions of the _caprimulgus_, or fern-owl, as it was playing round a large oak that swarmed with _scarabaei solst.i.tiales_, or fern-chafers.

The powers of its wing were wonderful, exceeding, if possible, the various evolutions and quick turns of the swallow genus. But the circ.u.mstance that pleased me most was, that I saw it distinctly, more than once, put out its short leg while on the wing, and, by a bend of the head, deliver somewhat into its mouth. If it takes any part of its prey with its foot, as I have now the greatest reason to suppose it does these chafers, I no longer wonder at the use of its middle toe, which is curiously furnished with a serrated claw.

Swallows and martins, the bulk of them I mean, have forsaken us sooner this year than usual; for on September 22nd they rendezvoused in a neighbour's walnut-tree, where it seemed probable they had taken up their lodging for the night. At the dawn of the day, which was foggy, they arose all together in infinite numbers, occasioning such a rus.h.i.+ng from the strokes of their wings against the hazy air, as might be heard to a considerable distance: since that no flock has appeared, only a few stragglers.

Some swifts stayed late, till the 22nd August--a rare instance! for they usually withdraw within the first week.

On September 24th three or four ring-ousels appeared in my fields for the first time this season; how punctual are these visitors in their autumnal and spring migrations!

LETTER x.x.xVIII.

SELBORNE, _March 15th_, 1773.

Dear Sir,--By my journal for last autumn it appears that the house-martins bred very late, and stayed very late in these parts; for, on the 1st October, I saw young martins in their nest nearly fledged; and again, on the 21st October, we had at the next house a nest full of young martins just ready to fly; and the old ones were hawking for insects with great alertness. The next morning the brood forsook their nest, and were flying round the village. From this day I never saw one of the swallow kind till November 3rd, when twenty, or perhaps thirty, house-martins were playing all day long by the side of the hanging wood, and over my field. Did these small weak birds, some of which were nestling twelve days ago, s.h.i.+ft their quarters at this late season of the year to the other side of the northern tropic? Or rather, is it not more probable that the next church, ruin, chalk-cliff, steep covert, or perhaps sandbank, lake, or pool (as a more northern naturalist would say), may become their _hybernaculum_, and afford them a ready and obvious retreat?

We now begin to expect our vernal migration of ring-ousels every week.

Persons worthy of credit a.s.sure me that ring-ousels were seen at Christmas, 1770, in the forest of Bere, on the southern verge of this county. Hence we may conclude that their migrations are only internal, and not extending to the continent southward, if they do at first come at all from the northern parts of this island only, and not from the north of Europe. Come from whence they will, it is plain, from the fearless disregard that they show for men or guns, that they have been little accustomed to places of much resort. Navigators mention that in the Isle of Ascension, and other such desolate districts, birds are so little acquainted with the human form that they settle on men's shoulders, and have no more dread of a sailor than they would have of a goat that was grazing. A young man at Lewes, in Suss.e.x, a.s.sured me that about seven years ago ring-ousels abounded so about that town in the autumn that he killed sixteen himself in one afternoon; he added further, that some had appeared since in every autumn, but he could not find that any had been observed before the season in which he shot so many. I myself have found these birds in little parties in the autumn cantoned all along the Suss.e.x downs, wherever there were shrubs and bushes, from Chichester to Lewes, particularly in the autumn of 1770.

I am, etc.

LETTER x.x.xIX.

SELBORNE, _Nov. 9th_, 1773.

Dear Sir,--As you desire me to send you such observations as may occur, I take the liberty of making the following remarks, that you may, according as you think me right or wrong, admit or reject what I here advance, in your intended new edition of the "British Zoology."

The osprey was shot about a year ago at Frinsham Pond, a great lake, at about six miles from hence, while it was sitting on the handle of a plough and devouring a fish: it used to precipitate itself into the water, and so take its prey by surprise.

A great ash-coloured butcher-bird was shot last winter in Tisted Park, and a red-backed butcher-bird [shrike] at Selborne: they are _rarae aves_ in this county.

Crows go in pairs all the year round.

Cornish choughs abound, and breed on Beachy Head, and on all the cliffs of the Suss.e.x coast.

The common wild pigeon, or stock-dove, is a bird of pa.s.sage in the south of England, seldom appearing till towards the end of November; is usually the latest winter-bird of pa.s.sage. Before our beechen woods were so much destroyed we had myriads of them, reaching in strings for a mile together as they went out in a morning to feed. They leave us early in spring: where do they breed?

The people of Hamps.h.i.+re and Suss.e.x call the missel-bird the storm-c.o.c.k, because it sings early in the spring in blowing, showery weather; its song often commences with the year: with us it builds much in orchards.

A gentleman a.s.sures me he has taken the nests of ring-ousels on Dartmoor: they build in banks on the sides of streams.

t.i.tlarks not only sing sweetly as they sit on trees, but also as they play and toy about on the wing, and particularly while they are descending, and sometimes they stand on the ground.

Adanson's testimony seems to me to be a very poor evidence that European swallows migrate during our winter to Senegal: he does not talk at all like an ornithologist; and probably saw only the swallows of that country, which I know build within Governor O'Hara's hall against the roof. Had he known European swallows, would he not have mentioned the species?

The house-swallow washes by dropping into the water as it flies: this species appears commonly about a week before the house-martin, and about ten or twelve days before the swift.

In 1772 there were young house-martins in their nest till October 23rd.

The swift appears about ten or twelve days later than the house-swallow: viz., about the 24th or 26th April.

Whin-chats and stone-chatters stay with us the whole year.

Some wheat-ears continue with us the winter through.

Wag-tails, all sorts, remain with us all the winter. Bullfinches, when fed on hempseed, often become wholly black.

We have vast flocks of female chaffinches all the winter, with hardly any males among them.

The Natural History of Selborne Volume I Part 8

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