INDEX 



621 



Eunice, 235; 231, 240 



Euotiyjnus, 419, 420 



Eupagurus, 373 



E. bernhardus, 373 



Euphausiacea, 361 ; 348 



Euplectella, 118 



£'M^owa^z/5,Trochosphere larva of,25l 



Eurypterida, 452 



Eurypterus, 454 



Euspotigia, 119; 113, 116 



Euthyneury, 481, 495 



Eutyphoeus, 254 



Exarate pupae, 402 



Excreta, see Excretion 



Excretion, of Arthropoda, 280; of 

 Crustacea, 309 ; of Echinodermat^, 

 552; of Metazoa, 123; of Mol- 

 lusca, 483; of Protozoa, 16; of 

 Tunicata, 597. See also Excretory 

 organs 



Excretory organs, 123 ; of Arachnida, 

 279, 280, 448 ; of Arthropoda, 279 ; 

 of Balanoglossus, 588; of Crus- 

 tacea, 279, 309 ; see also Antennary 

 glands, Maxillary glands; of In- 

 secta, 279, 390; of Myriapoda, 

 379, 380; of Nematoda, 215, 218; 

 of Nemertea, 207 ; of Onychophora, 

 279, 284; of Platyhelminthes, 177; 

 of Polychaeta, 242; of Rotifera, 

 212. ^ee«/^oCoelomoducts, Coxal 

 glands. Glomerulus, Kidneys, 

 Malpighian tubules, Nephridia 



Exhalant canals of Porifera, 113 



Exhalant passage of Carctnus, 366 



Exites, 300 



Exocyclica, 570 



Exogamous syngamy, 28 



Exopodite, of Crustacea, 298, 300; 

 of Trilobita, 288; of Xiphosura, 

 456, See also Limbs 



Exopterygota, 409 ; 402 



Exopterygote development of wings, 

 402 



External digestion, by Araneida, 

 458; by Insecta, 390; by Oligo- 

 chaeta, 254; by Rhizostomeae, 

 156; by Turbellaria, 183 



Extrathecal zone, 168 



Exumbrellar surface, 151, 157 



Eyes, Compound, 274, 277; Crusta- 

 cean median, 305, 305; of Arach- 

 nida*, 274, 449, 457, 460; of 

 Arthropoda, 274, 276 ; of Ascidian 



tadpole, 598; of Crustacea*, 274, 

 277, 305, 318, 325, 333, 338, 340, 

 348, 355; of Hydrozoa, 139, 140; 

 of Insecta, 274, 383 ; of Mollusca*, 

 482, 495, 509, 522, 523, 527; of 

 Myriapoda*, 374, 379 ; of Nemer- 

 tea, 207 ; of Onychophora, 274 ; of 

 Polychaeta, 230, 231 ; of Trilobita, 

 287 ; of Turbellaria, 175, 176, 176. 

 See also Eye-spots 



Eye-spots, of Asteroidea, 554; of 

 Protozoa, 14 



Eyestalk, 367 



Facial suture, 287 



Falciform young, 33 ; 90 



Fasciola, 194; 191, 195 



F. hepatica, 197 



Fat body, 390, 39 1 



Favia, 169 



Feeding, of Actinozoa*, 160, 170; of 

 Arachnoidea (Suctorial), 445, 450, 

 458, 462, 467 ; of Asteroidea, 560; 

 of Balanoglossus, 587 ; of Brachio- 

 poda, 539, 540; of Branchiopoda*, 

 317, 320, 321, 324, 325, 328; of 

 Carcinus, 368 ; of Cephalopoda, 

 519; of Chaetognatha, 542; of 

 Chaetopterus, 238; of Chordata, 

 580 ; of Ciliata, 97 ; of Ciona, 595 ; 

 of Copepoda, 333 ; of Crinoidea 

 (Antedon), 579; of Crustacea, 290- 

 95 ; of Cypris, 3 3 1 ; of Diotocardia*, 



490, 491 ; of Echinoidea*, 567, 569, 

 57 1 ; of Errant Polychaeta*, 23 1 ; of 

 Filter-feeding Malacostraca*, 348, 

 350, 353, 361 ; of Holothuroidea*, 

 575 ; of Holozoic Mastigophora*, 

 41, 44, 46, 48, 49, 56, 59, 61, 63 ; of 

 Hydatina, 212 ; of Hydrocorallinae, 

 143; of Lamellibranchiata*, 501, 

 502, 507, 511, 512; of Lepas, 340; 

 oiLimiilus, 457 ; of Monotocardia*, 



491, 492; of Nematoda, 218; 

 of Nemertea, 205 ; of Oikopleura, 

 600; of Ophiuroidea, 504; of 

 Opisthobranchiata*, 494, 495 ; of 

 Physalia, 165 ; of Polyzoa, 531 ; of 

 Protozoa, 15 ; of Pulmonata*, 496 ; 

 of Sarcodina*, 65, 72, 78, 81 ; of 

 Suctoria, 107; of Temnocephala, 

 190 ; of Trilobita, 288 ; of Tubico- 

 lous Polychaeta, 235; of Turbel- 

 laria, 181 ; of Veliger, 510 



