INDEX. 



Abdominalia, 459, 493, 499 



Acanthocephala, 379 



Acanthosoma, 473, 474, 475 



Acarina, 444, 454 



Accipenser, 102 



Achceta, 319 



Achelia, 538 



Achtheres percarum, 490 



Acineta, 7, 8 



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



185, i 86 



Actinia, 169, 171, 179 

 Actinophrys, 9 



Actinotrocha, 315, 318, 363, 364 

 Actinozoa, 26, 102, 152, 166, 170, 171, 



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

 Actinula, 155 

 Aculeata, 421 



/Egineta flavescens, 158 



yEginidce, 156, 158 

 ^Eginopsis Mediterranea, 158 



^Equorea Mitrocoma, 182 



Agalma, 163 



Agelena, 436, 450 



Agelena labyrinthica, 119, 438 



Alciope, 74 



Alcippida;, 499 



Alcyonaria, 152 



Alcyonidre, 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 



Amphitrochse, 330 



Amphiura squamata, 565 



Anchorella, 108, 492, 520 

 Anelasma squalicola, 499 

 Anguillulidae, 371 



Annelida, 14, 25, 98, 503, 525 



Anodon, 37, 38, 39, loo, 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 

 Aplysinidse, 146 

 Apoda, 459, 493 

 Aptera, 395, 420 

 Apus, 16, 79, 460, 463 

 Arachnida, 22, 114, 119,413, 431,435, 



444. 454. 455. 45$, 537. 539 

 Arachnitis, 171 



Araneina, 50, 51, 436 

 Arbacia, 567 

 Area, 38 

 Archigetes, 218 

 Archizorea 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 1 . 54 2 

 Articulata, 311, 313, 316, 317 

 Ascaridise, 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, 



5^5 



