INDEX TO GENERA, ETC. 



1884. 



Abies 30, 93 



Acanthinio 167 



Acanthinion 122, 124 



Acanthocystis 293 



Acanthopterygii. 154 



Acanthurus." 103, 103, 227-231 



Acanti. 157 



Acentrachme 164 



Acer 81 



Achillea 86 



Achiius 45 



Aciaeta 218 



Aconituni 80 



Acronurus 229, 230 



Actaea 80 



Actseon 104 



Actinophrys 17, 293 



Actinosphsei'ium 293 



Adenocaulon 86 



Adiantum 90 



Agalena 138 



Agonus 103 



Agrostis 94 



Aira 95 



Alcyonella 213 



Alligator 47 



Allium 93 



Alnus 91 



Alopecurus 95 



Alutera 46 



Amelanchier 82 



Ammodyteiforraes 183 



Ammodytidse 181 



Ammonites 53, 54 



Amphileptus 51 



Amphisilidae 155 



Amphisile 163, 164 



AmphisilidsB 164 



Amphisilinae 164 



Amphisiloidei 164 



Amphiuma 362-273 



Auacantini 168 



Anacharis 37, 50 



Anaphalis 87 



Anguiliformes 177 



Anoplarchus 103 



Antennaria 87 



Antennarius 45, 46 



Apeltes 157 



Apeltinae 157 



Aphorisria 45 



Aphyostomes 162 



Aplysina 202 



Aplysinida 202 



Apocynum 30 



Apodes 167 



Apogon 99 



Apsilus 37, 39, 40, 50, 51 



Aquilegia 80 



Arabis 80 



Aracese 94 



Araliacese ." 85 



Arbutus 88 



Arcestes 54 



Archangelica 85 



Arctia 284 



Arenaria 81 



Arenosa 203 



Ai'gyrotaeninae 182 



Armeria 88 



Ai-nica 87 



Ascaltis 208 



Ascidia 310 



Aspidium 96 



Astasia 51 



Aster 13, 87 



(385) 



