INDEX 





Ctenophora, 165, zyo, zyi 

 ctenophores, 103, 153, 160, Z41, X4z, 



2.65, X72. 



ctenophores, creeping, 153, X73 



cuttle-fish, 79, 12.0, ioi 



cyclostomes (lampreys and hag-fishes), 



i8z 

 Cynthia atalantUy 86 

 cyphonautes, 151 

 cystideans (or cystids), loi, xxi, ^63 



D 



Dawn horse, 174, 176 



dawsont, Eoanfbropus, 2.2.6 



deep sea fishes, 74, 84 



dependence of species on special senses, 



86 

 development of Aurellia, Z5 1 

 Devonian, 108, iiz (see table on p. 99) 

 diatoms, izo 

 Dkyema, Z43 

 Dicyemella, Z43 

 Dicyetnopsis, Z43 

 digger wasps, 7, 16 

 dinosaurs, 106, 178 

 disintegration of rocks, 37, 53 

 dogs, 3, Z3, 146, 147, 181, 184, 186, 



187, 188, Z19, Z30 

 dogs, hairless, 146, 186, 187, Z19, Z30 

 dolphins, blind, 84 

 domestication of animals, 187, 188 

 dragon-flies, 35 

 dying of the sea, 96 



Earliest forms of life, xiii 

 earthworms, 41', 46, 48, 63, 81, 8z, 84, 



izo, i6z, z6z, Z64 

 Echinodermata, Z63, Z69 



echinoderms, 7Z, loi, 114, izi, izz, 

 150, 151, 168, 179, i8z, 189, zoo, zoi, 

 Z05, Z06, zzi, Z47, Z57, Z63, Z75 



echinoids, loz 



eel, American, 131, 149, 163 



effect of climatic change on life, iz6, 

 iz8 



elephants, i, 43 



elver, 149 



English sparrow, 13 



Eoanthropus dawsont, 2.2.6 



Eocene, 174, 176, 177, 178, 181, i8z, 

 zz8, ZZ9 (see table on p. 99) 



Eohippus, 174, 176, 177, Z04, Z06, ZZ9 



Epistylis, 15Z 



erectus. Pithecanthropus, 2.2.6 



eurypterids, 108, iiz, 190 



evolution in its cosmic significance, zi6 



evolution, concurrent, zii 



evolution, problem of, xiii 



evolutionary lines, 166, 167, 170, 180, 

 181, ziz, Z13 



exchange of information by insects, 8 



exclusively marine phyla, 70, 71 



eyes, 77, 83 



Family, the human, 6, zo, Z7, Z3Z 

 family, serial dependent, 6, 11, zo 

 faunal peculiarities of Amboina, 140 

 faunal peculiarities of Celebes, 139 

 faunal peculiarities of Jamaica, 140 

 faunal peculiarities of mountain re- 

 gions, 140 

 faunal peculiarities of New Guinea 



(Papua), 140 

 faunal peculiarities of tropical America, 



139 

 faunal variations in dififerent regions, 



iz8, IZ9 



[x88] 



