!04 BULLETIN 37, UNITED STATES NATIONAL MUSEUM. 



Ancistrosyrinx — Continued. 



radiata 



Anisopleura 



Anonialocardia 



rosti ata 



Anomalodesmacea 



Anomia 



aculeata 



simplex 



Anomiacea , 



Anoruiidaj 



Aplusti'ida} 



Apliistrum 



Aplysia 



protca 



Willcoxii 



AplysiidfE 



Area 



Adamsii 



amoiicana 



aui'iculata 



barbata 



Candida 



Couradiana 



cctocomata 



glomerula 



Holniosii 



imbricata 



incougrua 



janiaicensis 



licnosa 



Nose 



nodulosa 



Orbignyi 



pectunculoides 



poxata 



polycyma 



ponderosa 



reticulata 



transversa 



Arcacea 



Arcida; 



Argina 



Argonauta 



amerieana 



firgo 



Argonautidaj 



Artbropoinata 



Asapbis 



dcflorata 



Aspella 



bastula 



lamellosus 



obeliscus 



paiipcrcula 



scalarioidcs 



Assiminea 



Auboriana 



coucinna 



Assimineidae 



Astarte 



castanea 



globula 



lens 



uaua 



-age. 



96 

 84 

 54 

 54 

 C4 

 32 

 32 

 32 

 32 

 32 



90 



90 



90 



90 



40 



42 



40 



40 



40 



40 



42 



40 



42 



40 



40 



40 



40 



40 



40 



42 



40 



42 



40 



42 



40 



42 



40 



40 



40 



40 



174 



174 



174 



174 



28 



GO 



60 



120 



120 



120 



120 



120 



120 



150 



150 



150 



150 



46 



46 



46 



46 



46 



Page. 



Astarte — Continued. 



quadrans PI. 58 .j 



Smitbii 46 ' 



undata 46 



AstartidsB 46 



Astbenotbferus 64 



Hempbillii 64 



Astralium 158 



americanum 158 



brevispinum 158 



cfelatum 158 



imbricatum 158 



longispinum 158 



tuber 158 



Astyris 1 



diaphana 1 



Daclosiana .' 1 



fusiformis 1 



luuata 118 



Tuultilineata 1 



profundi 1 



pura 1 



Itaveneli 1 



rosacea 118 



Verrillii 1 



Atlanta 136 



Gaudicbaudi 136 



inclinata 136 



Lainanoni 136 



Peronii 136 



pulcbella 136 



rosea 136 



Atretia 28 



gnomon 28 



Atys 8 J 



caribaia 86 



Sandereoni 80 



Auricula 90 



Auriculastrum 90 



pellucens 90 



Auriculidaj .- 90 



Auriculinaj 90 



Aurinia 110 



dubia 110 



Gouldiana 110 



robusta 110 



Avicula 36 



atlantica 36 



nitida 36 



Aviculidje 36 



Balantium 82 



Barbatia 40 



Barnea 72 



costata 72 



niaritima 72 



truncata 7i 



Basilissa 164 



alia 164 



costulata 164 



delicatula 164 



depressa 164 



superba 164 



Basommatopbora 90 



Basterotia 70 



quadrata 70 



