INDEX 
Cryptoceris, 414 
Cryptoniscidae, 730 
Cryptoniscina, 729, 130 
Cryptoniscus, larva of Epicarida, 129, 131, 
132 
Cryptophialus, 92 ; 
C. striatus, 98 
Cryptostemma westermannii, 439 
Cryptostemmatidae, 440 
Cryptothele, 400 
Ctenidae, 418 
Cteninae, 478 
Cteniza, 388; CO. ariana, 355 
Ctenizinae, 388 
Ctenocephalus, 247 
Ctenophora, 412 
Ctenopoda, 57 
Ctenopyge, 232, 247 
Ctenus, 418 
Cucullus, 440 
Cuma, 121 
Cumacea, 114, 720; of the Caspian, 215 
Cumidae, 727 
Cyamidae, 140 
Cyamus ceti, 140 
Cybaeinae, 415 
Cybele, 251 
Cyclaspis, 121 
Oyclestheria, 387; C. hislopi, 37 
Cyclodorippe dromioides, eyes, 149 
Cyclograpsus, 196 ; distribution, 200 
Cyclometopa, 788 f.; respiration, 189, 190 
Cyclopidae, 67, 62; subterranean, 209 
Cyclops, 62; C. fuscus, habitat, 207; C. 
strenuus, habitat, 207, 208 ; C. stygius, 
habitat, 210 
Cyclosa conica, 409 
Cyclosternum, 389 
Cydrela, 399 
Cymodoce, 126 
Cymonomus, 188; C. granulatus, 185; 
eyes, 149, 186; C. normani, 186; 
C. quadratus, 186 
Cymothoa, 126 ; habitat, 211 
Cymothoidae, 126 
Cyphaspis, 251 
Cyphophthalmi, 443, 444, 447 
Cypridae, 707 ; subterranean, 209 
Cypridinidae, 708 
Cypris, 107 ; C. reptans, parthenogenesis, 
108 
Cypris larva, of Cirripedia, 80, 82; of 
Sacculina, 97, 99 
Cyrtauchenius, 388; C. elongatus, funnel 
of, 356 
Cythere dictyon, 108 
Cytherellidae, 109 
Cytheridae, 107 
C. minutus, 92, 93 ; 
Dactylopisthes digiticeps, 405 
Dactylopus tishoides, 62 
Daesia, 429 
? 
549 
Daesiinae, 429 
Dajidae, 760 
Dalmanites, 249; D. imbricatulus, eye, 
228; D. limulurus, 250; DPD. socialis, 
larvae, 240 
Danalia curvata, 130, 131, 132 
Daphnella, 51; testes, 44 
Daphnia, 37, 38, 39, 51; ovary, 45, 48 ; 
D. magna, 50; D. obtusa, 51 
Daphniidae, 57; appendages, 40; aii- 
mentary canal, 42; reproduction, 48 ; 
reactions, 50 
Darwin, on Cirripedia, 80, 85, 86, 92, 94 
Dasylobus, 450 
Decapoda, 152 f.; systematic position, 114 ; 
alimentary canal, 14; pelagic, 202; 
subterranean, 210; Rhizocephala para- 
sitic on, 95, 101; Bopyridae parasitic 
on, 133 
Dechenella, 251 
Decolopoda, 504, 529, 532 ; D. antarctica, 
532; D. australis, 531, 532 
Decolopodidae, 531 
Defective orb-webs, 549 
Deiphon, 235, 251; D. forbesi, 250 
Delena, 414 
Delobranchiata, 258, 259 f. 
Demodex, 465 ; D. folliculorum, 465 
Demodicidae, 455, 465 
Dendrogaster astericola, 94 
Dermacentor, 469 
Dermanyssinae, 471 
Dermanyssus avium, 471 
Dermaturus, 181 ; D. hispidus, 178 
Desis, 415 
Deutovum, 462 
Development, of Monstrillidae, 64; of 
Cirripedia, 80; of Rhizocephala, 96 ; 
of Epicarida, 130; of Stomatopoda, 
142 ; of Shrimps and Prawns, 159 ; of 
Loricata, 165 ; of Hermit-Crabs, 179 ; 
of Brachyura, 181 ; of Trilobites, 238 f. ; 
of Limulus, 275; of Scorpio, 305; of 
Pseudoscorpions, 434; of Mites, 462 ; 
of Tardigrada, 483; of Pentastomida, 
493 ; of Pycnogons, 520 
Diaea, 412 ; D. dorsata, 413 
Diaphragm, of Solifugae, 427 
Diaptomus, 59; distribution, 208, 216; 
D. caeruleus, habitat, 208; D. castor, 
habitat, 206; D. gracilis, habitat, 206 
Diastylidae, 727 
Diastylis, 121; 
stygia, 120 
Dichelaspis, 88 
Dichelestiidae, 68 ; classification, 63 
Dichelestium, 68 
Dick, 363 
Dicranogmus, 252 
Dicranolasma, 452 
Dictyna, 398 ; D. arundinacea, 399 ; D. 
uncinata, 399 
D. goodsirt, 121; OD. 
