INDEX. 



Abdominalia, 459, 493, 499 



Acanthocephala, 379 



Acanthosoma, 473, 474, 475 



Acarina, 444, 454 



Accipenser, 102 



Achaeta, 319 



Achelia, 538 



Achtheres percarum, 490 



Acineta, 7, 8 



Acraspeda, 152, 165, 167, 178, 179, 182, 



185, 186 



Actinia, 169, 171, 179 

 Actinophrys, 9 



Actinotrocha, 315, 318, 363, 364 

 Actinozoa, 26, 102, 152, j66, 170, 171, 



172, 176, 178, 179, 181, 182, 186 

 Actinula, 155 

 Aculeata, 421 

 ^Egineta flavescens, 158 

 yEginidae, 156, 158 

 ^Eginopsis Mediterranea, 158 

 /Equorea Mitrocoma, 182 

 Agalma, 163 

 Agelena, 436, 450 

 Agelena labyrinthica, 119, 438 

 Alciope, 74 

 Alcippidae, 499 

 Alcyonaria, 152 

 Alcyonidse, 167, 168 

 Alcyonidium mytili, 297, 300, 302 

 Alcyonium palmatum, 119, 148, 167, 182 

 Alima, 484, 486 

 Amoeba, 19, 20 

 Amphibia, 22, 54, 56, 59, 60, 63, 66, 74, 



83, 102 



Amphilina, 218 



Amphioxus, 54, 56, 59, 61, 66, 93, 426 

 Amphipoda, 518 

 Amphiporus lactifloreus, 202 

 Amphistomum, 31 



,, subclavatum, 205 



Amphitrochae, 330 

 Amphiura squamata, 565 



Anchorella, 108, 492, 520 



Anelasma squalicola, 499 



Anguillulidse, 371 



Annelida, 14, 25, 98, 503, 525 



Anodon, 37, 38, 39, 100, 107, 259, 260, 



265, 266, 268 

 Anopla, 189, 202 

 Anura, 5 



Antedon, 568, 573, 574 

 Aphides, 15, 16, 76, 79, 116, 428, 429 

 Aphrodite, 42 



Apis, 402, 407, 408, 412, 413 

 Aplysia, 99, 226, 238, 252, 253 

 Aplysinidaa, 146 

 Apoda, 459, 493 

 Aptera, 395, 420 

 Apus, 1 6, 79, 460, 463 

 Arachnida, 22, 114, 119, 413, 4.51, 435, 



444, 454, 455, 458, 537, 539 

 Arachnitis, 171 

 Araneina, 50, 51, 436 

 Arbacia, 567 

 Area, 38 

 Archigetes, 218 

 Archizosea gigas, 494 

 Arenicola, 42 



Argiope, 311, 312, 315, 317 

 Argonauta, 247, 248 

 Argulus, 492 

 Armata, 355 

 Arthropoda, 12, 16, 18, 22, 75, 77,79, 83, 



108, no, 221, 382, 383, 434, 448,503, 



5 2 5> 534 54', 54 2 

 Articulata, 311, 313, 316, 317 

 Ascaridiae, 371 

 Ascaris nigrovenosa, 16, 82 



,, lumbricoides, 375 

 Ascetta, 144 

 Ascidia canina, 53 

 Ascidians, 74, 102, 208, 426 

 Asellus aquaticus, 112,120, 516 

 Astacus, 66, 465, 477, 511, 512, 513, 



525 



