298 



ISDEX. 



Page 



Echeneis 67 



Ekhiiicxhnnata 242 



Ekhinarachnius 243 



Echinus ^ . 242 



Echidna 160 



Ectoderm of Hydra 246 



Ectoparasitic Trematoda .... 225 



Protozoa 256, 26<) 



Ectopi-iti-i 140 



Edfintata 1 63 



Eel 62 



EflFects of external form on in- 

 ternal organs, Ophidia .... Ill 



Eft 91 



Eggs, Amphinma 98 



Brachiopoda 23S 



of Catfish 4S 



of craytish 196 



Crocodiles . . 116 



Birds 131 



Hydrozoa 246 



Lamellibranchs 23 1 



Menobranch 87 



Monotremes 143 



Ophidia 113 



Pipa 94 



Sharks 78 



Turtle 104 



Siphonops 98 



Elaps 113 



Elasmobranchii 76 



Electric Catfish 06 



Eel 62 



Ray 77 



Elephant 168 



Elevation of land, effect of .. 279 



Elytra 207 



Embrvol 'gj- 264 



Emu '. 134 



Emi^.i 105 



Enamel 18 



Encephalon 31 



Encystment of Protozoa .... 253 



Trematoda 226 



CestOiies 227 



Endochrome in Euglena .... 257 



Endoderm of Hydra 246 



Endolymph 37 



Enhydra -. 179 



Endoparasitie Trematodes.. . . 225 



Page 



Endoplasm 253 



Endoftodite 193 



Endoskeleton, Cephalopoda... 236 



of Brachiopod arms 238 



Endoskeleton of Vertebrates. 17 



Entoderm 246 



Eiitommtraca 198, 200 



Eider . 1.39 



Environment, direct action of 285 



Ephemeridxe 212 



Ephi/datia ... 251 



Epiblast 49 



EpiVjranchials 26 



Epicranium 206 



Epidermis 17 



Epidermis, Sauropsida 101 



Epiglottis 157 



Epibyal 25 



Epimerum 206 



Epiotic 22 



Epipharynx 207 



Epiphysis of Catfish 31 



Epipubic bone 161 



Epistemum, Monotremes.... 161 



Epipodite 193 



Epistome 240 



EpitheUum 13, 14 



intestinal . . 40 



Epistemum, amphibians ... 93 



Equus 173 



Entmochilyg 105 



Ergasilus 200 



Erinaceus 183 



Ermine 179 



Erlitaatura 139 



E<ox 61 



E^theria 199 



Ethfostoma 66 



Ethmoid of Mammals 148 



Erethizon 183 



Engraulus 61 



EugUna 257 



Euglypha 254 



Enmects 107 



Eumetopias 180 



EupUcMla 251 



Euj<]xjngia 252 



Eustachian Tuljes . . . . 93, 154 



Eutfenia 114 



Eutheria 143 



