The naturalist's and traveller's companion / by John Coakley Lettsom.

  • Lettsom, John Coakley, 1744-1815.
Date:
1799
Catalogue details

Licence: Public Domain Mark

Credit: The naturalist's and traveller's companion / by John Coakley Lettsom. Source: Wellcome Collection.

Provider: This material has been provided by Royal College of Physicians, London. The original may be consulted at Royal College of Physicians, London.

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    V'. ‘ fV ; ■ V V^’ --3?- ‘ i [ 6 ] dangerous. Some {h) of this divifion have ftings, but no poifon, and are to be found on the flowers of umbelliferous plants, when the fun Ihines hot in the middle of the day; at which time others (i) are feen on fand-banks, walls, and pales. VI. FI ies of various kinds conflitute the next clafs {k); they fly about the tops of (/) trees, little hills, horfes, cows, fheep, ditches, dung-hills, and every offenfive objeft. Some (m) are found on all forts of flowers, particu- larly thofe of a foetid fmell. Many (n) of thefc are moft: eafily taken when they begin to feed; for in the middle of the day they are fo quick and aflive, that it is almoft impoflible to catch them. VII. The laft great divifion (o) contains fcorpions, fpiders, crabs, lobfters, &c. It is neceffary only to obferve here, that all kinds of infefts having no wings, may be preferved in fpirits, brandy or rum, except crabs, lobfters, and the like, which may conveniently be pre- ferved dry. Under each clafs of infefls, I fhall relate tke mon, khneumon-fly. Sphex, ichneumon-nuafp. Velpa. Apis. {h) Mutilla, naked-bee. {/) Chryfis. \k) Diptera, from ^vu two, and T^spov, a wing, are fuch as have only two wings, and poifers, as in the fly, fig. 6. (/} Oeftrus, gad-fly. Mufea, Tabanus, Hippobofea, horfe~ {m) Tlpula. Conops. Afilus, ^wafp-fly. (») Bombylius, flonoer-hreeze. (o) AFTER A, from a, without, and zjhpov, a wing, infefts having no wings, as the fpider, fig. 7, methods