458 



ANALYTICAL INDEX 



popult'ti, Taeniocit)npa^ lan-ae of, 

 attacked by starlings, 157 n. i. 



populi, I.hfu/iitiSy remarkable de- 

 fence of pupae of, 315, 316. 



Poptilus nigra, cocoons on bark 

 of, I 58, 159 ; — tronuhi, 157 n. I. 



'Porcupine family', peculiarity of, 

 transmitted, li^o, 185. 



Porifera in classification, 25 ; in 

 early Palaeozoic, 28. 



Porritt, G. T., on darkening of 

 N. moths, 30S, 309. 



Portschinski on ant-like larva of 

 S. ftigi, 254 ; on composite mimicry 

 of S. fagi larva, 369 ; on pupa of /,. 

 populi, 316 ; on aposcmatic attitudes 

 of disturbed Spi/oso/^ia, 324. 



Possible Instance of Observ- 

 able Change in Member of 

 Mullerian Group since 1825-7, 

 X. 356. 



I'ost-generation of missing embry- 

 onic parts, 129. 



Potaro River, British (>uiana, domi- 

 nance of Melifiaea >finenie on the, 



332. 



Poulton,L.B.,dermition of acquired 

 characters by, 142,143 ; on Lamarck- 

 ism and instincts of Hymenoptera, 

 1 18-9, 163-5 : ^" Mullerian mimicry 

 or Common Warning Colours, 223, 

 328 ; on mimicry of saw-fly larvae by 

 cateri)illars, 238, 239 ; on ant-like 

 Membracid larva, 259, 259 (Fig. 7), 

 260, 280, 377 ; on unpalatable forms 

 eaten under stress of hunger, 269; on 

 concealment of C'. pumilus by adjust- 

 able neutralization of shadow, 300 ; 

 on attitude of Thccla ri/bi, 301 ; on 

 enemies of pupae, 306 ; on colour 

 adjustment of larvae, 306, 307 ; on 

 colour adjustment of grasshopper, 

 307 ; experiments on colours of G. 

 obscunita, 308 ; on examples of 

 Diaposematic Resemblance, 345; 

 Mullerian as against a liatesian 

 interpretation of mimicry supported 

 by generalizations of, 346, 347 ; sug- 

 gestion of, that special development 

 of male scent-brands enables the 

 females to recognize males which 

 closely mimic other species, 350, 358, 

 358 n. I and n. 2. 



Power of Loose Analogy, Duke 

 of Argyll, 1 01-2. 



prasinana, ffyhphila {Htilias)^ 

 colour adjustment of cocoon of, 149. 



Pratincola torqitata, 2S4. 

 Pre-Cambrian evolution, evidence 



of, 31-3, 38. 



Precis, comparison of under sides 

 of wings in dry and wet season forms 

 of, 208, 209, 320, 320 n. I, 339-41 ; 

 procryptic resemblance, e. g. to dead 

 leaf in dry forms of, 205, 208, 320, 

 339-41 ; mimetic resemblances in wet 

 forms of, 339, 339 n. i, 340; con- 

 spicuousness in wet forms of, 208, 

 209, 320, 320 n. I, 339 41 ; eye-spots 

 in wet forms of, 340, 341 ; advantage 

 in seasonal changes of, 206-11, 310, 

 311, 320, 339-41 ; attempt to deter- 

 mine physiological cause of seasonal 

 changes of, 340, 341 ; captured by 

 bee-eater, 2S8. 



Precis actia^ 208, 340; — alniana, 

 340, 341 ; — atitilope, 208, 340; — 

 archcsia, 208, 320, 320 n. i, 340 ; — 

 art'ixia^ 340 ; — asterie (wet f. of 

 ahnana), 340-1 ; — ceryne, 340 ; — 

 elgiva^ 340; — fiatalensis (wet f. of 

 sesa;/ius), 208, 339, 340 ; — natal ica, 

 340 ; — sesamus, 208, 339, 340 ; — 

 tugcla, 340. 



Predaceous insects, attacks of, on 

 specially defended insects, 318. 



Prediction and verification as test 

 of theory, 202, 219. 



Predisposition to morbid affections 

 (e.g. to disorders of the nervous 

 system, to deafness, to scrofulous 

 complaints) inherited, 180; what is 

 inherited is not disease but, 183, 184. 



I'REDOMINANCE GRADUAL OF 



Mullerian Mimicry, X. 342-4: 

 see also 212-13, 223, 370-6. 



Preferential Mating a cause 

 OF Asyngamv, II. 85-8: see also 

 65. 



Preferential mating of butterflies, 

 H. W. Pates on, 85 8 ; C. Darwin 

 on, 85-8; R. Trimen on, 86-8; of 

 Lepidoptera, T. A. Chapman on, 87 

 n. I. 



Pre-formation in frog's egg, 1 28-30. 



Pre-localization in frog's egg, con- 

 clusions as to. 128-30. 



Present Position of Palaeozoic 

 Botany, Dr. D. H. Scott, 44. 



Pretoria, dorippus f. of L. c/trys' 

 ippus at, 71 n. i. 



Prichard, James Cowles, life of, 

 173; anthropological discoveries of, 

 173 ; anticipation of Adolphe Pictet 



