620 
Discoidal segmentation 
" Placenta 
Distomum - - 
" Life History 
Distribution, geographical 
" geological 
Division of labour 
Dog 
Dolphin 
Dome-shaped DPlacenta 
Dorcatherium 
Dragon-flies 
Dromeeus 
Duckmole 
Ductus arteriosus of rabbit - 
" botalii 
Dugong 
Duplicidentata 
Ear OF VERTEBRATA 
Eared-seals - 
Ear-shell (Haliotis) 
Earth-pig 
Earthworm 
Earwigs 
Ecdysis or moulting of Ar- 
thropods 
Echidna 
Echinococcus 
Echinodermata 
Echinoidea 
Echinus 
Ectoderm 
Edentata - 
Efferent branchial system of 
skate - 
Egg of fowl 
Elasmobranchii 
Elephantidze 
Elephas 
Embryology 
Emu - 
Endoderm 
Endophragmal 
crayfish 
Endostyle of Tunicata 
Enteroccele 
Entomostraca 
Epanorthidze 
Epeira 
skeleton, 
INDEN. 
PAGE PAGE 
49 | Ephemera 255 
483 | Ephyra 131 
137 | Epiblast 50 
141 | Epidermis of Vertebrata 405 
56 | Epididymis 426 
66 | Epiphragn of snail 262 
14 | Epiphyses 467 
523 | Epipubic bones 471 
579 | Episternum 470 
482 | Epithelial tissue - 31 
575 | Equidee 573 
254 | Equus 509 
452 | Erinaceus 535 
491 | Ethiopian region 63 
388 " mammals of- 608 
422 | Ethmoid ring of skull 393 
562 | Euplectella 110 
564 | Euspongia 110 
Eustachian tube - 4Il 
411 | Eutheria 506 
583 | Evolution 81 
284 | Excretory systemof animals 18 
560 | Exoskeleton of Arthropoda 238 
198 | Exoskeleton of Vertebrata 405 
256 | Extinct reptiles 447 
Extinction of animals 70 
230 | Eyes of Arthropoda 215 
493 u of Vertebrata 408 
150 " " develop- 
171 ment of 404 
172 | Eye-muscles 410 
172 
25 | FactiAL NERVE 408 
557 | Falciform ligament 364 
Fallopian tube 466 
317 | Feather-stars 175 
375 | Feathers, development of 361 
438 " of pigeon 361 
570 | Felidae 581 
570 | Felis 523 
46 | Femur - 474 
452 | Fenestrated membrane 228 
‘25 | Fertilisation 42 
Fibula 474 
216 | Filaria - 155 
290 | Filaments, gastric 129 
52 | Fins - 436 
242 | Fin-rays 301, 328 
504 | Fishes 434 
233 | Fishes, abysmal 60 
