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Show 1881.] MR. P. L. SCLATER ON THE GENUS MYGALE. 325 EXPLANATION OF THE PLATES. PLATE XXXV. Fig. 1, la, lb, lc. Phryganeopsis brun-nea, p. 302. 2. Calantica polita, p. 302. 3, 3 a. Arceolepia subfasciella, p. 303. 4. Plutella interrupta, p. 304, 5. albidorsella, p. 305. 6. vanella, p. 305. 7. Cerostoma falciferella, p. 307. Fig. 8. Cerostoma cervella, p. 307. 9. sublucella, p. 308. 10. dentiferella, p. 308. 11. canariella, p. 309. 12. frustella, p. 309. 13, 13a, 13b, 13c, \3d. Euceratia castella, p. 310. 14. Euceratia securella, p. 311. PLATE XXXVI. Fig. 1. Depressaria sabulella, p. 313. - argillacea, p. 313. - arnicella, p. 314. - klamathiana, p. 314. - posticella, p. 315. - nubiferella, p. 316. - psoraliella, p. 317. - umbraticostella, p. 318. 2. 3. 4 5. 6 7 Fig. 9. Menesta rubescens, p. 319. Glyphipteryx regalis, p. 3. California, p. 320. bifasciata, p. 321. - unifasciata, p. 322. quinqueferella, p. 322. 10. 11. 12. 13. 14. 15. Heliodines extraneella, p. 323. March 1, 1881. Professor Flower, LL.D., F.R.S., President, in the Chair. The Secretary exhibited a dead specimen of a large Spider of the genus Mygale, which had been presented to the Society's collection alive by Dr. A. Stradling, C.M.Z.S., on March 17, 1880, being the example referred to by Dr. Stradling in a letter published in ' Land and Water' in June 1*880 (vol. xxix. p. 510), as also the shed integument of the same Spider. Mr. Butler, having kindly examined the specimen, had referred it, with some doubt, to Mygale Bistriata, Koch. It had been obtained by Dr. Stradling at Bahia. In the Gardens the Spider had been kept in a case kept heated with hot water to a temperature of about 75 degrees Fahr., and fed with cockroaches, upon which it appeared to have thriven well \ On the 27th August the Spider shed its skin, which process (as witnessed by the Superintendent and Mr. Thomson in a smaller example, probably of the same species) lasted about four hours?. The following papers were read :- 1 See Mr. Thomson's letter, 'Land and Water,' vol. xxix. p. 551. 2 See Mr. Bartlett's description of the process, in ' Land and Water' Feb ^ 1881 (vol. xxxi. p. 102). |