INDEX. 



703 



Decapoda, 313, 325 



Cephalopoda, 280 



Deer, 608 



DeltocyatUus Agassizii, 80 



Dendrocoela, 145 



Dendroccelum lacteum, 141, 144 

 percEecum, 143 



I)endra?ca virens, 555 



Dentalium, 357 



Dtfsmosticlia, 123 



Devil-fish, 434 



Diatryma, 540 



Dibrauchiata, 380, 384 



Dicvema, 139 



Dicyemella, 140 



Dicynodon, 513 



tigriceps, 513 



Didelphia, 571, 028 

 Didelphys Virginiana, 575 



Didua iueptus, 547 

 Diemyctylus viridescens, 481 

 Differentiation, G 

 Digestion, organs of, Oil 

 Digestive canal, 

 Diniorpliism, 654 

 Dingo, 617 



Dinichtliya Torrelli, 4ol 

 Dinornis giganteus, 538 

 Dinosauria, 515, 517 

 Dinotherium, 599 

 Diomedea exulans, 543 



faliginosa, 543 

 Diploria cerebriformis, 80 

 Diplozoon paradoxum, 153 

 Dipnoi, 435, 433, 428 

 Diptera, 375, 380 

 Discina, 193 

 Discophora, C3, 73 

 Dispersal of animals, GGO 

 Distomiim crassum, 151 



development of, 147 

 lieterophyes, 151 

 lanceolatum, 151 

 inacrostomnm, 153 

 ophtlialmobium, 151 

 Distribution, geograpliica], (i58 



Dodo, 547 

 Dog-fish, 430 



shark, 430 

 Dog, varieties of, 017 

 Doliolum, 301, 308 

 Dolphin, 455 

 Doris, 365 



Dorosoma cepedianum, 44;3 

 Dove, 547 

 Drum-fish, 443 

 Duck, black, 543 



canvas-back, 543 



eider, 543 



summer, 543 

 Dugong, 596 



Eagle, bald-beaded, 548 

 Ear, 641 



of clam, 345 



of Crustacea, 391 

 Ears of mammals, 563 

 Earwig, 368 

 Earthworm, anatomy of, 239 



embryology of, 330 

 Ecardines, 196 

 Echeneis remora, 454 

 Echidna liystrix, 573 

 Echinaraclmius parma, 123 

 Ecbinococcus, 159 

 Echinoderes, 179 



Ecbinodermata, blood system of- 

 100, 130 



characters of, 96 



direct development of, 114, 

 121, 133 



" heart " of, 100, 104 



metamorphoses oC, 100, 113, 

 130 



nervous system of, 97, 104 



skeleton of, 97, 118 



viviparous, 110, 131, 122 



water- vascular system of, 99, 

 130 

 Echinoidea, 117, 13G 

 Echinorhynclius angustatu?, 166 



claviceps, 166 



