638 



INDEX 



Digestion, 9, 15 f. ; of reserves in brood- 

 formation, 33 ; in Carchesium, 147 ; in 

 Starfish, 440 



Digestive system — see Alimentary Canal 



Dileptus, 137, 152 n. 



Dill, on Chlami/domonas, etc., 119 ii. 



BimorjyJia, 70, 73, 75 n., 112 



Dimorpliisni of cliambered Foraniinifera, 

 67 f. 



DliMiiweba, ol ; test of, 53 



Dinenympha, 111, 115 ; undulating mem- 

 branes of, 123 



Dinobryon, 110, 112 



Dinoflagellata, 110, 113. 130, 131, 132 ; 

 plastids of, 40 ; nutrition of, 113 



Dinoflagellate condition oi jowug Nodiluca, 

 134 



Dlphyes, 303, 307 



Diphyidae, 306 



Diphyopsinae, 307 



Diplacanthid, 457 



Dijjlenrula, definition, 605 ; forms of, 605- 

 608 



Diploi-yath((s, 277 



Diplodal, 210 



l>!l,ln,lr„n,i, 223 



Ijii.ln.i,..,;,. .r,r, 



Dii,ln,,,-:'i.h's. -281, 2S2 



Diplumila, in 



Diplopore, 597, 599 



Diploporita, oUS, 599 



Diprionidae, 2S2 



Directives, 367 



Disc, of Vorticellidae, 155, 158 ; of Ophio- 

 thrix fragilis, 484 



Discalia, 309 



Discohexaster, 200 



Discoidea, 77 



JJiscoidm, 55S 



Disconiedusae( = Ephyropsidae,322 -f Atol- 

 lidae, 322 -f Discophora, 323) 



Biscnmorpha, 137 



Discooctaster, 200 



Discophora, 310, 316, 333 f. 



Discorbina, 59, 63; reproduction of, 69 



Discosomatidae, 3S3 



Diseases, produced by Coccidiidae, 102 ; 

 by Acystosporidae, 103 f. ; by Flagel- 

 lates, 119 f. ; by Trypanosomes, 119 f. ; 

 Protozoic organisms of, 43 f. 



Dissepiments, 385, 387 



Dissogony, 419 



DMichopora, 284, 2S0 



Distomatidae, 110 



Distribution of Protozoa, 47 ; of Sponges, 

 in space, 239 f. ; in time, 241 



Di.'fiiringa dissimilis, 209, 214, 215 



Diverticulum — see Caecum 



Division, binary, 10 ; reduction-, 75 n. 



Dixon and Hartog on pepsin in Pchrmyxa, 

 16 



Dobie, 167 



Doederlein, 193 n. 



Dotiein, 46 ; on parasitic and morbific 



Protozoa, 94 n. ; on syngamy of Cysto- 



flagellates, 135 

 Dohrn, on carnivorous habits of Sphaer- 



echinus, 516 

 Dolichosporidia ( = Sarcosporidiaceae), 9S, 



108 

 Doramania, 306 ; D. picta, 303 

 Dorataspis, 7S ; skeleton, 80 

 Dorocidaris — see Gidaris 

 Dorsal elastic ligament of Antedon rosacea, 



587 

 Dorso - central plate of Echinarachnius 



par ma, 543 

 Dom-ine, disease of horses and dogs, 119 

 Drepanidiinn {=Lankesterella), 97, 102 

 Dreyer, on genera and species of Radio- 



laria, 87 f. ; on skeleton of Radiolaria, 



82 n. 

 Dropsy, ascitic, associated with Leydeitia, 



91 

 Drysdale and Dallinger, on organisms of 



putrefaction, 44 f., 116 f. 

 Dual force of dividing cell, 26 f. 

 Duboscq, Leger andj sexual process in 



Sarcocystis tenella, 108 n. 

 Duerden, 261, 369 n., 371, 373, 374, 389, 



397 n., 400 u., 403, 405, 406 

 Du jardin, on sarcode ( = protoplasm), 3 ; 



on Protozoa, 45 ; on true nature of Fora- 

 niinifera, 62 f. ; on Sponges, 167 

 Dust, containing cvsts of Protozoa, 47 ; of 



Flagellata, 118 " 

 Dysentery, in Swiss cattle, caused liy 



Coccidium, 102 ; tropical, caused by 



Amoeba coli, 57 

 Dysteria, 137, 153 ; oral apjjaratus, 145 ; 



shell, 141 



Earthwoi'iii, Matmn/stis parasitic in, 95 



EchiiKnitlii(l:ic, ;k'/:i 



Echituirarli iiiici, 548, 5^9 ; E. parma, 

 542 f., 543, 544, 545, 547 ; shape, 542 ; 

 sphaeridia, 545 ; internal skeleton, 545 ; 

 habits, 546 ; alimentary canal, 546 ; 

 Aristotle's lantern, 546 ; tube-feet, 547 



Echinaster, 439, 462 



Echinasteridae, 455, 458, 4(^3 



Echinating, 217 



Echinidae, 539, 558 



Echininae, 539 



Echinocardium, 549 ; E. cordatum, 549 -f., 

 551, 552 ; habitat, 549 ; shape, 550 ; 

 spines, 550 ; sphaeridia, 551 ; ali- 

 mentary canal, 551 ; tube -feet, 551 ; 

 habits, 552; stone -canal, 552; E. 

 jfavescens, 555 ; E. pennatifidum, 555 



Echinoconidae, 55S 



Echinocyamus, 548,5-^9; E. pusillus, TiiQ 



Echinocysiites, 557 



Echiuodermata, 425 f. 



