. Annual report of the Trustees of the State Museum of Natural History for the year ... Science; Museums. 172 Forty-first Report on the State Museum. Other Stinging Larvae. Ex]3eriment8, similar to tlaese, made by me upon two other stinging larvse, viz.: Hemileuca Maia (Drury) and Lagoa crispata Packard, may be found recorded in the Twenty-third Report on the State Cabinet of Natural History, 1872, pp. 143, 144, * and Twenty-fourth Report on the State Museum of N. H., p. 140- The last reference is to a portion of a paper— "Transformations of Lagoa crispata" (pp. 138-145, he. cit.
. Annual report of the Trustees of the State Museum of Natural History for the year ... Science; Museums. 172 Forty-first Report on the State Museum. Other Stinging Larvae. Ex]3eriment8, similar to tlaese, made by me upon two other stinging larvse, viz.: Hemileuca Maia (Drury) and Lagoa crispata Packard, may be found recorded in the Twenty-third Report on the State Cabinet of Natural History, 1872, pp. 143, 144, * and Twenty-fourth Report on the State Museum of N. H., p. 140- The last reference is to a portion of a paper— "Transformations of Lagoa crispata" (pp. 138-145, he. cit.)— based upon collections made at Center, N. Y., during a season of such a phenomenal abundance of the larvse, on Quercus vaccinium, Fteris aquilina (common brake), and other plants, that at least a thousand examples, although feeding separately and scattered, could have been taken withixi an hour's time. The Poisoning Attending the Sting. Dr. George Dimmock, in an elaborate paper " On Some Glands which open Externally on Insects," contained in Psyche, for Septem- ber, October, 1882 (iii, pp. 387-401), gives authority for the assertion that " the severe poisoning produced by the hairs of certain larvse of the Bombycidce, is caused by the secretion from a minute gland at the base of each hair. The secretion of these glands, which may be formic acid or a formate in solution, fills the hollow central portion of the hair, and when the sharp, often barbed, hairs are broken in the flesh of attacking animals, the broken parts carry with them the poisonous ; The writer attests to an instance in which one of these larvse in being brushed away from the neck, inflicted so severe a sting upon a middle finger, that the distal joint, healing only after several months, remained somewhat stiffened and deformed at the time of writing — after a lapse of thirty-seven years. The Moth. The moth is shown in Figure 25. It has a very woolly, pale yellow body tinged
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