466 



ANALYTICAL INDEX 



corns, 348, 349; on mimicry by 

 Longicorns of Bornean Rhyncho- 

 phora, 369 ; on habits of Bornean 

 Brenthidae, 370; on Asilid fly 

 mimicking Xylocopid bee, 276 ; on 

 larvae of Bornean Hymenopus 

 bicornis mimicking bugs, 378 n. 3 ; 

 on mimetic Bornean Chalcosid moths, 

 275, 275 n. 1 ; on Protogonius as 

 example of Batesian mimicry, 35 1 ; 

 on Elymnias lais as a Batesian 

 mimic, with combination of mimetic 

 and procryptic defence, 353 ; on the 

 Elymniinae as examples of Batesian 

 mimicry, 372 n. 1 ; on head of model 

 represented at tail of mimic, 368 ; 

 on snake-like Bornean caterpillar, 

 367 n. 2 ; on possible former south- 

 ward extension of Athyma and 

 Limenitis mimics of male H. tnisippus, 

 381, 382 ; on mimicry of squirrels by 

 tree-shrews, 367 n. 1. 



Shield, caudal, of S. fagi larva 

 resembles bug, 369; of the Mem- 

 bracidae, mimicry of ant developed 

 in rather than insect itself, 258, 

 258 (Fig. 6), 259, 280, 369; in 

 other cases protective (procryptic) 

 resemblance developed in, 258, 259. 



Shrew-like mammal mimicked by 

 posterior end of chafer, 368 : see 

 also tree-shrews, 367, 367 n. 1. 



Shrike, Ashy swallow-, capturing 

 butterflies, 286. 



Shull, see Macdougal, xix n. 5, xxi, 

 xxii. 



Siam, insects' enemies in, 303 ; 

 wet season f. of Precis almana 

 permanent in, 341. 



Sidgwick, Arthur, assistance ren- 

 dered in the terminology by, 60 n. 3, 

 61 n. 1, 223, 226, 312 n. 2, 344, 381. 



Signalling and Warning 

 Colours, &c, X. 315-58: see also 

 226. For divisions, sections, sub- 

 sections, &c, see pp. 294-6. 



Signalling or Recognition 

 Marks, &c, X. 357, 358: see also 

 226. 



Significance of certain 

 Seasonal Changes of Butter- 

 flies, VII. 206-11. 



Sikkim and N.E. India, comparison 

 of mimicry by E. undularis in, with 

 that in other parts of range, 373. 



Silicospongiae in early Palaeo- 

 zoic, 28. 



Silken Loop, Origin of Groove 

 for reception of, in Pierine 

 Pupae, 147-50. 



Silken Loop, may be a trace of 

 former cocoon, 148. 



Silkworm, disease of, 136. 



Silurian, life long antecedent to, 

 5, 6 ; tides, 17 ; Foraminifera, 

 27 ; sponges, 28 ; Coelomate phyla, 

 30; specialized forms in, 30, 31 ; 

 Cirrhipedes, 39 ; Ostracodes, 39 ; 

 Entomostraca, 39 ; Arachnida, 39, 40 ; 

 Merostomata, 40 ; scorpions, 40 ; 

 Mollusca, 41, 42 ; Chiton, 42. 



Singapore, ant-like spider and 

 caterpillar from, 368. 



Sinzaway Chaung, Tenasserim, 

 290. 



Siphonostoma typhle, 299. 



Size, Mimicry Independent 

 of, X. 366. 



Size, independence of, as clear in 

 Miillerian as in Batesian mimicry, 

 363 ; a question of distance, 366. 



Sjostedt, Professor Yngve, on 

 alcippus f. of L. chrysippus in the 

 Cameroons, 321 n. 1. 



Skeleton, Lamarckism and the 

 Mammalian, 112. 



Skin, J. C. Prichard on advantage 

 of black, 190; protective (procryptic) 

 resemblance to hair or, 359. 



Skunks, warning colours of, 315; 

 episematic characters of rabbit com- 

 pared with, 358. 



Slow Adjustable Protective 

 Resemblance, X. 304-7. 



Small Garden White, see also 

 rapae, 93, 147, 301. 



'Small Heath' Butterfly, 210. 



Small Tortoiseshell Butterfly, 306. 



Smell, unpleasant, associated with 

 warning characters, 315 ; unpleasant 

 in aposematic butterflies, 316 ; 

 pleasant epigamic in male butterflies, 

 316, 317; emission by gregarious 

 larvae of Croesus of, 320 ; aposematic 

 in Colaenis, 334 n. 2 ; recognition by 

 females probably aided by special 

 scent-brands of males, 358, 358 n. 1. 



Smerinthus ocellatus, 314, 314 n. 2. 



Smith, S. S., on origin of skin 

 pigments of dark human races, 176, 

 177. 



Smoke, effect of, in Lanes, and 

 Yorks. district, 308-10. 



Snakes, aggressive (anticryptic) 



