552 



COMPARATIVE ANATOMY 



Distoma isostomum, 134 > intestinal and 



nervous system, 143 

 ,, lanceolatum, 134 > sexual organs, 



158 



Dochmius duodenalis, ISO 

 Dorippe, 399 



Daropygus porcicauda, trunk feet, 316 

 Dorsdbran chiata, IS 2 

 Doyeria simjrtex, head, 544 

 Drassus, 510 

 Dre/panophorus, 178 



,, Lankasterii, nervous sys- 



tem, 216 

 Dromia, 299 

 Dwarf males (Cirripedia), 305 ; (Crustacea 



generally), 377 

 Dysderidce, 510 

 Dysmorphosa carnea, 68 

 Dytiscidce, 442 

 Dytiscus, section through ocellus, 470 



EARTHWORM, see Lumbricus 



Ecardines, 1S5 



Ecdysis, 458 



Echinococcus, 172 



,, veterinorum, 135 



Echinodera, 1S6 



Echinoderm, 119 



Echinorhynchus, 180 ; genital organs, 257 ; 



organisation, 258 

 ,, gigas, ISO 



EchiuridcB, 1S3 



Echiurus, enteric canal, vascular system, 

 and nephridia, 207; nervous system, 

 223 



Ectoparasitica, 134 



Ectoplasm, 13 



Ectoprocta, 184 



Ectosarc, 13 



Edriophthahnata, 293 



Edwardsia, 71 



Eggs, animal, 25 ; parthogeuetic, 32 ; 

 segmentation, 121-131 ; summer (Crust- 

 acea), 376,'382 ; types of, 27-32 ; winter 

 (Crustacea), 376, 382 



Elateridce, 442 



Elytra (Vermes), 189 ; (Autennata), 441 



Embidce, 439 



Embole, 123 



Empidce, 44$ 



Empis stercorea, nervous system, 466 



Enchytrceidce, 181 



Encystatiou, 16 



Endite, 315 



Endomychidce, 441 



En doparasitica, 134 



Endoplasm, 13 



Eudopodite, 307 



Eudosarc, 13 



Enoplidce, 178 



Entomostraca, 2SS 



Entoniscus, 296 



JSntoprocta, 184 



Epeim, 510 



Ephemeridce, 439 ; sexual organs, 485 ; 



larva, 483 

 Ephippigera, 463 

 Ephippium, 380 

 Ephyra, 72 

 Epibole, 124 

 Epimerit, 9, 16 

 Epipodite, 315 

 Epistylis, 11 

 Equitidce, 442 

 Erichthus larva, 393, 394 

 Eriphia, 300 

 Errantia, 182 

 Erscea, 70, 113 

 Eschara, 1S4 

 JBstheria, 288 

 Eucharis, 72 

 Eucone eyes, 470 

 Eucope campanulata, 68, 74, 102 

 Eucopepoda, 290 



Eucopia australis, posterior maxilla?, 313 

 Eudendrium ramosum, 68 

 Eudorina, S 

 Eudoxia, 70, 113 

 Eudrilus, 181 

 Ei/glena, 8 

 Eulimnadia Agassizii, 2d antenna;, 310 



,, texana, 2d antenna;, 310 



Eunice limosa, 188 

 Eunicidce, 182 

 Eupagurus, 298 

 Eupluiusia pellucidci , 2d anteunse, 310 ; 



anterior maxillae, 312 ; nervous system, 



346 ; pleopoda, 325 

 Eiiphausida:, 298 ; larval history, 389 ; 



larvae, 390 

 Euphrosyne, 182 

 E-upledeUa, 61 

 Euplotes, 9 

 Etipumatus uncinatus, egg segmentation, 



123 ; larva, 269 

 Euprepiadce, 442 

 Eurylepta, 133 

 Eurypteridoe, 415 

 Euscorpius, 509 



,, italicus, eye, 521 



Enspongia officinalis, 62 

 Eustrongylas giyas, ISO 

 Evadne, 290 

 Evaniadce, 442 

 Exogone, 182 

 Exopodite, 307 

 Exotheca, 99 

 Exumbrella, 73 

 Exuvia, 458 

 Eye-spots (Cnidaria), 75, 97 ;T(Protozoa), 



18 ; x-shaped (Crustacea), '352 ; (Pla- 



todes), 169 



FABRICIA, 234 



Facet-eyes, 470 

 Falces, 515 



