919 



Aradidae 125, 415. 

 Arachnida Syst. 285, 4G1, 463, 



851, 852, - Faun. 410. 511, 



852, Biol. 410, 463, 812, 8i!8, 

 463, Morph. 46.'!, 509, 5 1 0, S54, 

 509, 510, -- Ernahrgs.Org. 463, 

 409, Entwicklg. 410, 463, 

 Physiol. 789. 



Araneida 827, 831, 852, 855. 



Arantia 750. 



Arbacia 708. 



A r ba ci idae 50 1 . 



Area 145, 153. 



Arcania 460. 



Arcella 9. 



Arch aeo ci daridae 877. 



Arckaeocidaris 877, 878. 



Ar chaeocy ath id ae 201. 



Archaeocyathinia 493. 



Archacomaene 203. 



Archiannelides 847. 



Archigetes 366. 



Archoplasma 23, 58, 78, 71, 178. 



Arcidae 153. 



Arctiinae 246. 



Arctitis 312 



Arctocephalus 637. 



Arctomys 639, 687. 



A rdeidae 103. 



Arenicola 517. 



Aretoyale 312. 



Argent in ieu 52. 382, 392, 893. 



Argiope 852. 



Argonauta 295, 897. 



Argynnis 718. 



Arhynchotaenia 406. 



Aricia 526. 



Arietites 386, 896. 



Ariolimacinae 648. 



Ariolimax 148, 648. 



Arion 147, 641. 



Arionidae 612, 046. 



Ar ion i 11 a o 648. 



Arlonta 57'-'. 



Ariunculus 648. 



Armadilliclium 14. 



Arnienien 644. 



Armitermes 414. 



Arn ioceratidae 387. 



Arrhenophagus 295. 



Arrhenunts 603. 



Artanes 852. 



Artarchia 632. 



Artbilduug 250. 



Artemia 376. 



Artemiopsis 376. 



Arthrocnodax 378. 



Arthropoda 13, 14, 15, 16, 17, 5 

 84, 85, 86, 87, 89, 91, 125, 126, 

 181, 188, 192, 193, 224, 227, 

 231, 234, 236, 237, 238, 239, 

 272, 273, 281, 285, 280, 291, 

 294, 295, 328, 331, 332, 334, 



2, 53, 54, 

 165, 160, 

 228, 230, 

 267, 268, 

 292, 293, 

 335, 374, 



377, 

 415, 

 461, 

 530, 

 715, 

 751, 

 805, 



847, 849, 850. 851, 852, 855, 894. 

 .\r1ibeus 579, 580, 035. 

 Aruanoidea 527. 

 Arvicola r,;!9, 087. 

 Arvicoiidae 687. 

 Asaphidae 191. 

 Asaphis 153. 

 Asaphus 285. 

 As c al aphidae 807. 

 Ascaridae 263, 204, 265, 

 Ascaris 49, 57, 74, 79, 124, 



JO 4, 265, 313, 319, 325, 355, 357, 

 447, 507, 061/830, 832, 840, S48. 

 Ascetta 590, 691. 

 Ascidia 298, 429. 

 Ascidiacea 171, 193, 428, 785. 

 Ascoglena 323. 

 Ascoglossa 97. 

 Ascoglossae 

 Ascolopon 350. 

 Asconidae 582, 689, 690. 

 Asellus 374, 409, 850. 

 Asien 381, 388, 

 618, 641, 

 699, 713, 

 806, 836. 



371. 

 164, 



173, 



263, 

 440, 



100. 



390, 408, 412, 444, 607, 

 642, 644, 645, 650, 664, 

 714, 726, 731, 732, 734, 



614, 



689, 



750, 



Asphondylia 378, 380, 018. 

 Aspidelus 149. 

 Aspidiotus 286, 417. 464. 

 Aspidoceras 382, 727, 896. 

 Aspidoecia 182, 183, 185, 187, 188. 

 Aspidopoms 641. 

 Aspidorhynchidae 202, 203. 

 Aspidorhi/nchus 202, 203. 

 A s p i r o t r i c h a 446, 840. 

 Asplanchna 450, 487, 602. 

 ^Issiminea 153. 



Astacus 224, 225, 226, 227, 283, 352, 374, 

 Asterias 113, 123, 614. 

 Aster oceratidae 387. 

 Asterodiscus 563. 

 Asteroidea 113, 123, 144, 387, 399, 



563, 601, 614, 745, 785. 

 Asteronotus 144. 

 Asteropus 207, 210. 

 Asthenocormus 202. 

 Asthenosoma 563. 

 Astichus 423. 

 Astiericeras 728. 

 Astraeidae 116, 119, 120, 121, 122, 



257, 260, 261, 537, 562. 

 Astraeinae 121, 255, 256, 257. 

 Astraeomorphinae 122. 

 Astraeopora 253, 254. 

 Astrapia 632. 

 Astrogonium 323. 



601, 



502. 



256, 



