61g 



INDEX. 



of birds, 416; on the relative 

 size o£ tlie sexes of Callorhlnus 

 ursinus, 511; on the mane of 

 Otaria jubata, 516; on the pair- 

 ing of seals, 518; on sexual dif- 

 ferences in the color of bats, 

 B29. 

 Allen, S., on the habits of Hoplo- 

 pterus, 362; on the plumes of 

 herons, 386; on the vernal moult 

 of Herodias bubulcus, 387. 

 Alligator, courtship of the male, 

 216, 347; roaring of the male, 

 EGl. 

 Amadavat, pugnacity of male, 



362. 

 Amadina Lathami, display of 



plumage by the male, 396. 

 castanotis, display of plum- 

 age by the male, 396. 

 Amazons, butterflies of the, 246; 



fishes of the, 339. 

 America, variation in the skulls 

 of aborigines of, 25; wide range 

 of aborigines of, 165; lice of the 

 natives of, 166; general beard- 

 lessness of the natives of, 655. 



■ , North, butterflies of, 246; 



Indians of, women a cause of 

 strife among the, 556; Indians 

 of, their notions of female 

 beauty, 571, 572. 

 , South, character of the na- 

 tives of, 164; population of 

 parts of, 169; piles of stone in, 

 175; extinction of the fossil 

 horse of, 186; desert-birds of, 

 486; slight sexual difference of 

 the aborigines of, 556; preva- 

 lence of infanticide in, BS6. 

 American languages, often high- 

 ly artificial, 88. 

 Americans, wide geographical 

 range of, 28; native, variability 

 of, 170; and negroes, difference 

 of, 192; aversion of, to hair on 

 the face, 574. 

 Ammophila, on the jaws of, 273. 

 Ammotragus tragelaphus, hairy 



forelegs of, 626, 528. 

 Amphibia, aflflnity of, to the gan- 

 oid fishes, 154; vocal organs of 

 the. 561. 

 Amphibians, 160, 344; breeding 



whilst Immature, 480. 

 Amphioxus, 155. 



Amphipoda, males sexually ma- 

 ture while young, 480. 

 Amunoph III., negro character 



of features of, 164. 

 Anal appendages of insects, 272-3. 

 Analogous variation in the plum- 

 age of birds, 380. 

 Anas, 456. 



acuta, male plumage of, 



387. 



387. 



Anastomus oscitans, sexes and 

 young of, 481; white nuptial 

 plumage of, 48S. 



Anatidffi, voices of, 370. 



Anax Junius, differences in the 

 sexes of, 287. 



Andaman islanders, susceptible 

 to change of climate, 183. 



Anderson, Dr., on the tail of 

 Maoaous brunneus, 67; the Bu- 

 fo sikimmensis, 345; sounds of 

 Echis carinata, 349 



Andreena fulva, 290. 



Anglo-Saxons, estimation of the 

 beard among the, 575. 



Animals, domesticated, more fer- 

 tile than wild, 43; cruelty of 

 savages to, 114; characters com- 

 mon to man and, 142; domestic 

 change of breeds of, 690 



Annelida, 261; colors of 261 



Anobium tessellatum, sounds 

 produced by, 302. 



Anolis cristatellus, male crest 

 ?£; ^?J pugnacity of the male, 

 349; throat-pouch of. 350. 



Anser canadensis, 411. 

 — — cygnoides, 409; knob at the 

 base of the beak of, 420. 



hyperboreus, whiteness of. 



prong-horned, horns 



488. 



Antelope 

 of, 229. 



Antelopes, generally polygamous, 

 213; horns of, 229, 600; canine 

 teeth of some male, 498; use of 

 horns of, 504; dorsal crests in 

 526; dewlaps of, 527; winter 

 change of two species of, 538- 

 peculiar markings of, 538. 



Antennee, furnished with cush- 

 ions in the male of Penthe, 273 



Anthidium manicatum, larfre 

 male of, 277. 



Anthocharis cardamines, 306, 309; 

 sexual difference of color in 

 319. 



genutia, 309. 



sara, 309. 



Anthophora acervorum 

 male of, 277. 



retusa, difference 



large 



■ boschas, male plumage of. 



histrionica, 479. 

 punctata, 369. 



_^ of the 



sexes in, 290. 



Anthropidae, 148. 



Anthus, moulting of, 386. 



Antics of birds, 375. 



Antigua, Dr. Nicholson's obser- 

 vations on yellow fever in, 190. 



Antilocapra amerioana, horns of, 

 229, 600, 503. 



Antilope bezoartica, horned fe- 

 males of, 500, 502, 503; Sexual 

 difference in the color of, 531. 



Dorcas and euchore, 500. 



euchore, horns of, 504. 



■ montana, rudimentary ca- 

 nines in the young male of, 510. 



niger. sing sing, caama, 



and gorgon, sexual differences 

 in the colors of, 631. 



