INDEX. 



Acephala 



Acus Carolinensis 

 " dislocatum . 

 " unilineata 

 Agassizia porifera . 

 Amphidesma cequata 

 " carinata 



" equalis 



" orbiculata. 



Amphidetus amphliforus 



" gothicus 



Anomia epliippium 

 Anomida? 

 Apollon caudata 

 Arcacidse 

 Area cselata , 

 " centenaria 

 " equicostata 

 " liians 



PAGE 





18 



Area improcera 



137 



" ineile 



125 



" incongrua 



137 



" lienosa 



5 



" pexata . 



95 



" rustica 



93 



" scalaris 



93 



" transversa 



94 



Architectoniea perspectiv 



6 



Artemis concentrica 



7 



AstartidEe 



18 



Astarte abbreviata 



18 



" concentrica 



142 



lunulata . 



34 



" radians 



36 



" undulata . 



37 



Astrea bella . 



44 



" birtolamellata 



34 



" Marylandica 



TAGS 

 41 



35 

 45 

 40 

 46 

 39 

 43 

 42 



120 



82 



70 



69 



71 



72 



68 



70 



t 



1 



2 



Bracbiopoda 



Brissopsis porifera 



Brissus spatiosus . < 



Bryozoa 



Buccinidaj 



Buccinis ampullaceis 



. 125 



17 



5 



8 



11 



-133 



148 



Buccinum 



ampullacies, etc . 



ampullaceum 



lunatum 





1-15 

 146 

 136 



" 



multirugatum 

 nov. eboracensis . 





133 

 135 



Buccinum oliviformo 

 " obsoletum 



" porciuum 

 " trivitatum 



" vibex 



Bulla pyruin 



Busycon canaliculatum 

 " carica 

 " Conradii 



Byssoarca 



perversum 



135 

 135 

 133 

 135 

 134 

 148 

 1-16 

 145 

 147 

 14.-) 

 83 



Oalyptrseida? 



Calyptrsea costata 

 pileolus 



Cancellaria depressa 

 " reticulata 



" venusta 



107 

 107 

 107 

 143 

 142 

 144 



Cardiadee 



Carditidse 



Cardita abbreviata 

 " arata . 

 " carinata 

 " granulata 



63 



65 

 C9 

 65 

 67 

 66 



