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Show 202 MR. E. B. POULTON ON THE PROTECTIVE [Mar. 1, TABLE I Species of Larva. Eriogaster lanestris. Clisiocampa neustria. Cucullia verbasci. Halia wa-varia. Abraxas grossulariata. Hybernia defoliaria. Method by which rendered conspicuous. Black, red, and white ; gregarious ; living on a w e b; rather hairy ; very conspicuous on hawthorn. Orange-red, black, white, and blue ; rather hairy; gregarious, and living on a web when young ; very conspicuous on apple &c. Green, yellow, and black; gregarious and very conspicuous on upper sides of leaves and on the stem of mullein. Green to lead-colour, with yellow and black. Does not assume the characteristic highly protective attitude so c o m m o n in Geometrse ; but most conspicuous on currant and gooseberry. Cream colour, black, and orange; as above, unlike most Geometrac, but most conspicuous on blackthorn, gooseberry, &c. Brown and yellow ; as above, unlike most Geometrce, but conspicuous and often hanging by a thread from its food-plant (oak & c ). Unpleasant attribute. ? Taste or smell. Proof lies in what follows. The hairs may be irritating. ? Taste or smell. Proof lies in what follows. The larvse eject a green fluid from their mouths when disturbed. ? Taste or smell. Proof lies in what follows. ? Taste or smell. Proof lies in what follows. ? Taste or smell. Proof lies iu what follows. ? Taste or smell. Proof lies in what follows. Results o Jenner Weir, using many species of Birds and Lizards. Disregarded by all the birds. Experiment repeated a second season. Disregarded by all the birds, although very hungry. Eaten by L. viridis and L. agilis, although sometimes refused, and evidently disliked. Disregarded by all the birds. Experiment repeated a second season. Disregarded by all the birds. Experiment repeated a second season. Once eaten by L. agilis; often tasted and refused; evidently much disliked. Disregarded by all the birds. A. G. Butler, using Birds, Lacerta viridis, Frogs, and Spiders. Always refused by Frogs after tasting them ; so also with Spiders. Supplied to the young of the Great Tit bv the parent birds,1 and always eaten greedily. Always refused by Frogs and L. viridis after tasting them; so also with Spiders. {Eptin diadema and If cosa?, sp., were the Spiders used in the case of this and the previous species.) |