SSo 



INDEX 



Dictyniilae, 352, 353, S9S 



Digestive system, —alimentary canal, q.v. 



Dikelocephalus, fUft 



Dimorphism, high and low ; in Deoapoda, 



103 ; in Tanaids, 123 

 Dlndym&iu^ 251 

 Dinopinae, ^-ZO 

 Dinopis, 410 

 Dinorhax, 439 

 Diogenes, 181 

 Dionide, 24S 

 Bipliascon, 485 ; D. alpinum, 487 ; D. 



angustatum, 487 ; D. bullatmn, 487 ; 



D. chilenense, 486, 487 ; D. oculatum, 



487 ; D. scoHoum, 487 ; D. spitdjergense, 



487 

 Diplocentrinae, 306, 307 

 Biplocentriis, 307 

 Diplocephcdus bicepliahis, 405 

 Diplostichous eyes, 301 

 Diplura, 390 

 Diplurinae, 390 

 IJipoena, 403 

 Vlscoarachne, 512, S35 

 Distribution, of Crnstacea, 197 f. ; (strati- 

 graphical) of Trilobites, 222 

 Doflein, on eyes of deep-sea Crustacea, 



148, 150 

 Dohrn, 504, 513, 519 

 Dolesehall, 365 

 Dolichopterus, 283, S91 

 Boliomelus, Ifl5 

 Dotomedesfimiriatus, 4I6 

 Dolops, 78 

 Domed webs, 350 

 Donachocha/u, 4OG 

 Donnadieu, 457 

 Dorippe, 185, 18S 

 Dorippidae, 188 

 Dorop>ygiis, 66; D. pnlex, 66 

 Dorsal organ, of Phyllopoda, 22 ; of 



Cladocera, 39 

 Doublure, 232 

 Doyfere, on Tardigrada, 481 ; on tlieir 



systematic position, 483 

 Doyeria, 485 ; D. simplex, 480, 487 

 Drassidae, 324, 396 

 Drassinae, 390 



Drassus, 397 ; D. lapidosus, 396, 397 

 Drepanothrix, 53 

 Dromia, 184 ; -D' vulgaris, 184 

 Dromiacea, 183 ; metamorphosis, 182 ; 



relation to Macrura, 184 ; habitat, 198 

 DromidAu, distribution, 200 

 Dromiidae, I84 

 Di-ymiisa, 393 

 Dufour, 385 

 Dujardin, 464 n. ; on systematic position 



of Tardigrada, 483 

 Duploi'bis, 95 ; D. calathurae, 99 

 iJynomene, IS4 

 Dynomenidae, IS4 



Bysdera, 394 ; D. cmnbridgii, 394 ; I). 



crocota, 395 

 Dysderidae, 317, 319, 336, 394 

 IJysderiiia, 394 

 Dysderinae, 394 



Ebalia, 188 



Mchiniseoides, 485 ; E. sigismundi, 477, 

 486 



Echiniscus, 480, 485 ; E. aretmnys, 486 ; 

 E. gladiator, 486 ; X granulatus, 486 ; 

 E. islandicus, 486 ; E. nmsoicola, 486 ; 

 E. inutabilis, 486 ; E. oihounae, 486 ; 

 E. quadrispiinosus, 486 ; 7!?. reticulaius, 

 486 ; E. spinulosKS, 479 ; E. spiizberg- 

 ensis, 486 ; E. testudo, 478 ; E. loendti, 

 486 



Echinoderras, Dendrogaster parasitic on, 

 94 



Eehinognathus, 283 



Ecribellatae, 385 



Ectatosticta davidi, 393 



Eetiiiosoma, 62 



Edriophthalmata, 112, 121 



Eggs, of Phyllopoda, 32 ; of Cladocera, 

 44 ; of Copepoda, 59, 62, 66, 67, 71, 

 74 ; of Branchiura, 77 ; of Syncarida, 

 114 ; of Peraoarida, 123 ; of Hoplo- 

 carida, 141 ; of Bucarida, 144 ; of 

 Trilobites, 238 ; of Limulus, 276 ; of 

 Pedipalpi, 309 ; of Spiders, 358 ; of 

 Solifugae, 424 ; of Pseudoscorpions, 

 434 ; of Phalangidea, 442 ; of Acariua, 

 456 ; of Tardigrada, 478 ; of Ponta- 

 stouiida, 493 ; of Pycnogons, 520 



Ehrenberg, on systematic position of 

 Tardigrada, 483 



Eleleis crinita, 396 



Ellipsocephalus, 224, 235, 247 ; E. hojji, 

 248 



Embolobranchiata, 258, 259, 297 f. 



Emmerich, on facial suture of Trinucleus. 

 226 



Encephaloides, 193 ; E. armstrongi, 192, 

 193 ; habitat, 205 



Encrinuridae, 251 



Encrinums, 227, 235, 251 



Endeis didactyla, 534 \ E- gracilis, S39 ; 

 E. spinosus, 541 



Endite, 9, 10 



Endopodite, 9, 10 ; of Trilobites, 237 



Bndosternite, 257, 305, 330 



Endostoma, of Eurypterus, 287 



Engaeus, 157 ; E.fossor, distribution, 213 



Enoplectenus, 4I8 



Enterocola, 67 ; E. fulgens, 67 



Entomostraca, defined, 6 ; diagnosis, 18 ; 

 of littoral zone, 197; fresh -water, of 

 southern hemisphere, 216 



Entoniscidae, 130, 134 



Enyo, 400 



Enyoidae, 399 



