INi)EX. 741 



tlie scalp and the forehead in some children, 171; on the arrange- 

 ment of the hair in the human fetus, 172; on the hairyness of the 

 face in the human fetus of both sexes, 688, 689. 



Esmeralda, difference of color in the sexes of, 334. 



Esax Indus, 281 ; esox reticulatus, 386. 



Esquimaux, 72, 150; their belief in the inheritance of dexterity in 

 seal-catching, 37; mode of life of, 224. 



Estrtlda amnndava, pugnacity of the male, 415. 



Eubagis, sexual differences of coloring in the species of, 351. 



Euchirus longimanus, sound produced by, 344. 



Eudromias moi^inellus, 544. 



Eulampis jugulaiHs, colors of the female, 516. 



Euler, on the rate of increase in the U. S., 50. 



Eumomota stipercUiaris, racket-shaped feathers in the tail of, 436. 



Eupetomena macroura, colors of the female, 516. 



Euphema splendida, 521. 



Euplocamiis erythrophthalmus, possession of spurs by the female, 

 413. 



Europe, ancient inhabitants of, 206. 



Europeans, difference of, from Hindoos, 218; hairyness of, proba- 

 bly due to reversion, 687. 



Eurostopodus, sexes of, 546. 



Eurygnathus, different proportions of the head in the sexes of, 

 314. 



Eustephanus, sexual differences of species of, 408; young of, 555. 



Exaggeration of natural characters by man, 664. 



Exogamy, 673, 675. 



Experience, acquisition of, by animals, 90. 



Expression, resemblances in, between man and the apes, 171. 



Extinction of races, causes of, 206. 



Eye, destruction of the, 36; change of position in, 62; obliquity 

 of, regarded as a beauty by the Chinese and Japanese, 659. 



Eyebrows, elevation of, 14; development of long hairs in, 20; in 

 monkeys, 171; eradicated in parts of South America and Africa, 656; 

 eradication of, by the Indians of Paraguay, 662. 



Eyelashes, eradication of, by the Indians of Paraguay, 662. 



Eyelids, colored black, in part of Africa, 655. 



Eyes, pillared, of the male of GJdo'eon, 311; difference in the color 

 of, in the sexes of birds, 483. 



Eyton, T. C. , observations on the development of the horns in the 

 fallow deer, 265. 



Eyzies, Les, human remains from, 207. 



Fabre, M., on the habits of Cerceris, 330. 



Facial bones, causes of modification of the, 62. 



Faculties, diversity of, in the same race of men, 30; inheritance 

 of, 31; diversity of, in animals of the same species, 31; mental varia- 

 tion of, in the same species, 74; of birds, 466. 



Fakirs, Indian, tortures undergone by, 134. 



Falco leiicoceplialus, 552; falco peregrinus, 463, 524; falco tinnun- 

 culus, 463. 



Falcon, peregrine, new mate found by, 463. 



Falconer, H., on the mode of fighting of the Indian elephant, 585; 

 on canines in a female deer, 586; on Ilyomoschus aquaticus, 624. 



