INDEX. 



671 



certain caterpillars by birds, 322; 

 tin sexual differences of the beak 

 in the goldfinch, 356; on a piping 

 bullfinch, 365; on the object of 

 the nightingale's song, 3B4; on 

 songbirds, 365; on the pugnacity 

 of male flne-plumaged birds, 

 395; on the courtship of birds, 

 396; on the finding of new ma^s 

 by Peregrine-falcons and Kes- 

 trels, 402; on the bullfinch and 

 starling, 403; on the cause of 

 birds remaining unpaired, 409; 

 on starlings and parrots living 

 In triplets, 404; on recognition of 

 color by birds, 407; on hybrid 

 birds, 409; on the selection of a 

 greenfinch by a female canary, 

 410; on a case of rivalry of fe- 

 male .bullfinches, 414; on the ma- 

 turity of the golden-pheasant, 

 478. 



Weisbach, Dr., measurement of 

 men of different races, 163; on 

 the greater variability of men 

 than of women, 218; on the rela- 

 tive proportions of the body in 

 the sexes of different races of 

 man, 654. 



Weismann, Prof., colors of Lycce- 

 nsE, 309. 



Welcker, M., on braohycephaly 

 and dolichocephaly, 54; on sex- 

 ual differences in the skull in 

 man, 552. 



Wells, Dr., on the immunity of 

 colored races from certain pois- 

 ons, 188. 



Westring, on the stridulation of 

 males of Theridion, 270; on the 

 stridulation of Reduvius person- 

 atus, 279; on the stridulation of 

 beetles, 300; on the stridulation 

 of Omaloplia brunnea, 300; on 

 the stridulating organs of the 

 Coleoptera, 301; on sounds pro- 

 duced by Cychrus, 301. 



Westropp, H. M., on reason in a 

 bear, 74; on the prevalence of 

 certain forms of ornamentation, 

 175. 



Westwood, J. O., on the classifica- 

 tion of the Hymenoptera, 144; on 

 the Culicidae and Tabanidas, 204; 

 on a Hymenopterous parasite 

 with a sedentary male, 217; on 

 the proportions of the sexes in 

 Lucanus cervus and Slagonium, 

 249; on the absence of ocelli in 

 female mutillidffi, 272; on the 

 jaws of Ammophila, 273; on the 

 copulation of insects of distinct 

 species, 272; on the male of 

 Crabro cribrarius, 273; on the 

 pugnacity of male Tipulae, 278; 

 on the stridulation of Pirates 

 stridulus, 281; on the Cicadse, 

 279; on the stridulating organs 

 of the crickets, 281; on Ephip- 

 piger vitium, 282, 284; on Pneu- 

 mora, 284; on the pugnacity of 



the Mantides, 286; on Platyblem- 

 nus, 287; on difference in the 

 sexes of the Agrionidse, 287; on 

 the pugnacity of the males of a 

 species of Tenthredin^, 289; on 

 the pugnacity of the male stag- 

 beetle, 297; on Bledius taurus 

 and Slagonium, 296; on lamelli- 

 corn beetles, 298; on the colora- 

 tion of Liithosia, 311. 



Whale, Sperm-, battles of male, 

 496. 



Whales, nakedness of, 54. 



Whately, Archb., language not 

 peculiar to man, 82; on the prim- 

 itive civilization of man, 140. 



Whewell, Prof., on maternal af- 

 fection, 68. 



Whiskers, in monkeys, 146. 



White, P. B., noise produced by 

 Hylophila, 305. 



, Gilbert, on the proportion 



of the sexes in the partridge, 

 243; on the house-cricket, 280; on 

 the object of the song of birds, 

 364; on the finding of new mates 

 by white owls, 403; on spring 

 coveys of male partridges, 404. 



Whiteness, a sexual ornament in 

 some birds, 490; of mammals in- 

 habiting snowy countries, 537. 



White-throat, aerial love-dance of 

 the male, 376. 



Whitney, Prof., on the develop- 

 ment of language, 83; language 

 not indispensable for thought, 

 85. 



Widow-bird, polygamous, 214; 

 breeding plumage of the male, 

 387, 397; female, rejecting the un- 

 adorned male, 413. 



Widows and widowers, mortality 

 of, 136. 



Widgeon, pairing with a pintail 

 duck, 409. 



Wilckens, Dr., on the modification 

 of domestic animals in moun- 

 tainous regions, 34; on a numer- 

 ical relation between the hairs 

 and excretory pores in sheep, 

 193. 



Wilder, Dr. Burt, on the greater 

 frequency of supernumerary 

 digits in men than in women, 

 219. 



Williams, on the marriage-cus- 

 toms of the Pijians, 593. 



Wilson, Dr., on the conical heads 

 of the natives of North- Western 

 America, 577; on the Fijians, 577; 

 on the persistence of the fashion 

 of compressing the skull, 578. 



Wing-spurs, 443. 



Wings, differences of, in the two 

 sexes of butterflies and Hymen- 

 optera, 274; play of, in the court- 

 ship of birds, 395. 



Winter, change of color of mam- 

 mals in. 637. 



Witchcraft, 93. 



