S32 



INDEX. 



I'AGE 



Development of Vertebrata . 457 

 Diapedesis .... 79 2 

 Diaphragm .... 669 

 Diastatic ferments . . . 782 

 Dibranchiata . . .412 



Dichogamy in Tunic.ata . -431 

 Dicotyles . . . -732 

 Dicyema . . . .132 

 Dicyemidre . . . .132 

 Didelphyidae .... 722 

 Didelphys .... 723 

 Differentiation ... 36 

 Difflugia .... 99 

 Digenetic Trematodes . 178, 185 

 Digestion . . 27, 28, 780 



,, comparative physi- 



, , 



ology of 

 intracellular 



Protozoa . 

 Digitigrade . 

 Dimorphism of sexes 

 Dinoflagellata 

 Dinophilus . 

 Dinornis 

 Dinosauria . 

 Dinotherium . 

 Diphycercal . 

 Diphyes 



Diphyodont dentition 

 Diploblastic . 

 Diplopoda= Millipedes . 

 Diplotrophoblast . 

 Diplozoon 



Dipnoi .... 

 Diprotodon . 

 Diptera 

 Dipterus 

 Direct division 

 Discoidal segmentation . 

 Discomedusre 

 Discophora . 

 Distomum 

 Distribution, geographical 



. ,, geological. 



Division of labour . 

 Dochmius 

 Doctrine of descent 

 Dodo .... 

 Dog .... 

 Dogfish 



in 



780 



90 



753 

 52 

 107 



222 

 66 3 

 623 

 742 



543 

 163 

 697 



121 



3 08 

 706 

 I 7 8 



553 

 725 

 323 



553 

 48 



659 

 164 



223 

 179 



794 

 . 82 



22 



. 192 



8 4 , 772 



. 664 



754 



548 



724, 



65, 



173, 



Dogvvhelk 



Dolabella 



Doliolum 



Dolphin 



Donkey 



Dorcatherium 



Doris . 



Draco . 



Dracunculus . 



Dragon-flies . 



Dreissena 



Drepanophorus 



Dromreognathous . 



Dromaeus 



Dromia 



Duckmole 



Ductus botalii 



,, endolymphaticus 

 Dugong 

 Duodenum . 

 Duplicidentata 

 Dura mater 



EAR of Arenicola . 



,, of crayfish 



,, of Myxine 



, , of Vertebrates 

 Earthworm . 

 Earwigs 

 Ecardines . 

 Ecaudata . 



Ecdysis or moulting of Ar- 

 thropods . 

 Echidna . 

 Echinococcus 



I'AGK 



401 

 401 



434 

 747 

 739 

 734 

 402 

 606 



193 

 322 



407 

 189 

 664 

 663 

 294 

 719 

 603 



475 



, 729 

 685 



672 

 470 



.212 

 . 273 

 . 498 

 . 475 

 197-210 

 . 322 

 . 238 

 586 



267 

 716 

 183 



Echinoderma . 10, 239-264 

 ,, contrast between 



Echinoidea . 

 Echinorhvnchus 



" 



Echinus 

 Echiuridre 

 Ectoderm 

 Ectoplasm 

 Ectoprocta . 

 Edentata 

 Edrioasteroidea 

 Edriophthalmata 

 Egg-case of skate 

 cell 



the classes of. 263 

 . 249-254 

 . 189, 195 

 . 249 



196, 221 

 40, 69 

 . 112 

 236 

 . 726 

 26O 



291 



527 

 58 



