620 



INDEX 



Eimeria, 83 ; 85, 91 



E. schuhergi, 22, 83, 84 



Ejaculate ry duct, 397 



Elasipoda, 577 



Eledone, 520 



Eleutherozoa, 582; 550 



Elytra, of Coleoptera, 429 ; of Poly- 

 chaeta, 233 



Embia major, 415 



Embioptera, 414 



Embryology, of Arachnida, 443, 

 448 ; of Arthropoda, 280 ; of 

 Asterias, 555; of Brachiopoda, 

 540, 541 ; of Chaetognatha, 544, 

 545; of Chordata, 582; of Ciona, 

 597; of Coelenterata, 131; of 

 Echinodermata, 555 ; ofLumbricus, 

 256, 257; oi Peripattis, 283; of 

 Polyzoa, 535; of Tardigrada, 468; 

 of trochosphere, 248. See also 

 Larvae 



Embryonic fission, see Polyembryony 



Enchylema, 8 



End gut, see Hind gut 



End sac, 279, 309 



Endites, 300 



Endocyclica, 57 1 ; 570 



Endoderm, 120; i, 121, 125, 131, 248 



Endoderm lamella, 130; 156 



Endomixis, 30; 21 



Endophragmal skeleton, 303 



Endopodite, of Crustacea, 298 ; 299 ; 

 of Trilobita, 288 ; of Xiphosura, 

 456. See also Limbs 



Endoprocta, 536 



Endopterygota, 425 



Endopterygote development of wings, 

 402 



Endosome, 19 



Endosternite, 303 



Endostyle, 594, 595, 597 



Entamoeba, 64; 66 



E. coli, 65 ; 66 



E. dysenteriae, see E. histolytica 



E. histolytica, 65 ; 38 



Enteron, 125, 129, 130, 133, 136, 

 140. See also Archenteron, Di- 

 gestive system 



Enteropneusta, 585 ; 2, 552, 557, 584, 

 596 



Entodiniomorpha, 102 



Entodinium, 104 



E. caudatum, loi 



Entomostraca, 294 



Envelope cells, 93 



£:oZw, 494; 479, 493 



Epeira, 460 



E. diademata, 459 



Ephelota, 108 



E. gemmipara, 109 



Ephe?nera vidgata, 421 



Ephemeroptera, 420; 393 



Ephippium, 329 



Ephyra larva, 155; 151 



Epibolic gastrula, 248 



Epibranchial space, of Decapoda, 



366 ; of Lamellibranchiata, 501 

 Epicardial cavity, 596; diverticula, 



596, 599; tube, 596, 599 

 Epicardium, see Epicardial cavity, 



etc. 

 Epidermis, 121 

 Epimerite, 90 

 Epineural canal, 548 ; of Echinoidea, 



570 ; of Ophiuroidea, 562 

 Epipharynx, 383. See also Mouth 



parts of Insecta 

 Epiphragma, 489 

 Epipodites, 278, 298, 299, 300. See 



also Gills of Crustacea, Me- 



tepipodites, Oostegites, Proepi- 



podites 

 Epistome, of Decapoda, 367; of 



Polyzoa, 530 

 Epistylis, 107 

 Epizoanthus, 118 

 Equitant whorls, 71 

 Eriatoma, 59 

 Eriocrania, 429 

 Eruciform larvae, 401 ; of Coleoptera, 



430 

 Estheria, 324; 309, 310 

 E. minuta, 324 

 Eucarida, 361 ; 349 

 Eucephalous larva, 439 

 Eucystis, 582 



Eudendrium, 137; 140, 141 

 Eudorina, 52; 6 

 Euglena, 46; 16, 33, 38, 41, 48 

 E. viridis, 35, 37, 4°, 47 

 Euglenoid movement, see Metaboly 

 Euglenoidina, 46; 15, 43, 47 

 Euglypha, 68 ; 8 

 E. alveolata, 10 ; 67 

 Eugregarinaria, 90; 83 

 Eulalia, 235; 231, 233 

 Eulamellibranchiata, 501 ; 504, 510 

 Eumitoses, 19 



