1897.] 



NATURAL SCIENCES OF PHILADELPHIA. 



565 



INDEX TO GENERA, ETC., 

 1897. 



Abra 293 



Abramis 59 



Abudefduf 116 



Acanthopsis 60 



Acanthorhodeus 58 



Acanthurus 126 



Achatina 357 



Achirus 133 



Actinolite 441 



Actobatis 428 



Adelonycteris .... 33, 224 



Adeorbis 363 



jEschynite 437 



iEsopia 90 



^Etobatus 93 



Agenia 235-241, 252 



Agonostomus 98 



Albula 67, 94 



Albulidse 94 



Alectis 101 



Almandine 418, 442 



Alosa 63 



Alutera 127 



Amethyst 438 



Ammophila 373 



Amnicolida? 481 



Amphacanthus 79 



Amphibole 437, 442 



Amphibolite 418 



Ampulex 373 



Analcime 446 



Anarcestes 427 



Ancistromma 137 



Ancylus 298 



Andrena 351 



Angelichthys 125 



Anguilla 93 



Anguillidse 93 



Anisotremus 110 



Anolis 460 



37 



Anoplius 236 



Anorthite 429 



Anthias ... 75, 104, 106, 107 



Anthracosidse .... 455, 456 



Apatite 437 



Apios 304 



Apistus 81 



Apocryptes 87 



Apsilus 108 



Archsediseus 417 



Arehosargus 112 



Arctomys 29, 30, 215 



Arissema 162, 163 



Aristozoe 426 



Arius 57 



Arseniosiderite 438 



Arundinaria 304 



Artemon 477 



Asbestus 441 



Asbolan 144 



Asplenium 427 



Astarte 411 



Astatus 138 



Atalapha 33, 224 



Atherina . . . . 64, 87, 95, 98 



Atherinidae 98 



Atrypa . . . 426, 445, 447, 449 



Aucella 455 



Augite 443 



Aulostomidse 97 



Aulostomus 97 



Awaous 132 



Axinite 442 



Baculites 427 



Baileya 355 



Bairdiella 115 



Balanus 332, 333 



Balistes 79, 126, 127 



Balistidee 126 



Bascanion 463 



