INDEX TO GENERA, SPECIES, ETC., DESCRIBED OR RKFER liED TO 



IN THIS VOLUME. 



and Genera described as new are indicated by heavy-faced, Synonyms by italic numerals 



Abies 



215 Anthomastus 333 



Acanthis 211, 212 Anthua 212 



Acavidae 481 



rubeeoens 211 



Acavus ........ 482 Antrostomus vociferug 216 



Achatinella 



429 



AchatininsB 494 Aphanocapaa 



Apatite I55 f 1 



Acmite 



252 



137, 144, 145, 151, 158 Apiura .124 



Acrodelphis 192 Apo-andesite ] 



Acropora 



380 



jEsculus 214 



Araucaria , 239 



Arbacia 



Agelaius phcenieeus 318 Area 



JB4, 533 



41 



Albite 



134- 



alcima 44 



139, 142, 144, 145, 149, 151, 153, 155, 158, 159 



amen can: 1 



47 



AlcedinidaB 

 Alcedo moluccana 



317 

 317 

 212 



16, 45, 46 



Alces . 



Alcyone . 317 



Alnus 124, 213 



Alunite ........ 425 



(Argina) billingsiana 



(Argina) brightonensis . . .26, 46, 47 

 campechensia . / . , .45 



(Cunearca) chemnitzioidai 

 (Cunearea) cumanensis 



7, 44, 47 

 . 44 



Amauropsis 



101, 102 



caloramans 29, 101 



guariqueensis 102 



per o vat a . 102 



singleyi 103 



smithiana . . . .30, 102, 103 



tombigbeensis 102 



Amiurus 224-229 



filicata 45 



(Cucultea?) harttii 48 



44 



• . • 47, 47 



. . # . 4 



26 



mcongrua. 

 (Argina) pariaensis 

 pexata 



ponderoaa 



nebulosus 

 Ammocoetes 



224 

 221-225, 228, 229 



(Noetia) ponderoaa 43 



reversa 26, 43 



(Noetia) reversa 44 



. 4© 



Ammonites 104 



(Argina) schultzana . 

 (Noetia) sbeldoniana 

 spp 



. 26, 43, 44 



27, 47 



barbacoensis 104 Archangelica 124 



mosquerae 104 



482 



Ampelita 

 Amphidromus 

 Amphioxus 

 Ampullaria 



(Ceratodes) cornuarietis 



luteostoma 



227, 228 

 . 99 

 . 99 

 . 99 



Arctomys monax 212 



Arfvedsonite 135-137, 139 



45-47 



126 



126 



] 



429 Argina 



Argynnis. 

 cybele 

 diana 

 idalia 



Anabaena 253 



Anchura 88 



Ancistrodon 213 



Anethum. 124 



126 

 126 

 122 



leto 



myrina .....•• 



nitocris 126 



126 



Anodonta 



28, 50 



gigantea 



nokomis 



Arionta . . ^77 



50 Aristolochia 122, 123 



grandis 28, 50 



sp 50 



Anorthite 135 



136, 138, 139, 145, 149, 151, 153, 155, 158, 159 



Anorthoclase 142, 154 



Anosia berenice 126 



serpentaria 123, 124 



sipho 



123, 125 



Asarum canadense 123 



525 



Ascaris megalocephaU 

 Asclepias. 

 Asimina triloba 



plexippus . 



126 Asio 



strigosa !!!... 126, 127 Aspicilia calcarea 



126 

 125 

 215 

 265 



Anostoma 



484 



376, 381-383 



depressum 484 



Astrogorgia 



smensis dli » dfti5 » 



Anthogorgia .'.!!!.. 376 Aulosira thermalis 



403 

 254 



593 



39 JOURN. ACAD. NAT. SCI. PHILA, VOL. XV. 



