INDEX. 



In this index subgenera are treated as genera and varieties treated as species. Those 

 names now first proposed for groups or species are in italics; the numerals in italics 

 indicate the pages where the genus or species is described or discussed at length, as 

 contrasted with the pages where it is merely mentioned. 



Abra 964, 977, 986, 995, 996, 

 1015, 1129, 1140, 1168. 



sequalis 989, ppS. 



aequata 1119, 1175. 



angulata 998. 



bella 990. 



carinata 988, 990. 



fragilis 996. 



Holmesii 988, 989. 



lioica 997, 998. 



mississippiensis 997. 



nitens 996, 997, 1015. 



nuculiformis 998. 



nuculoides 994. 



ovalis 990. 



perovata 997. 



protexta 997, 1129. 



sinuosa 996. 



staminea 997. 



subobliqua 998. 



subreflexa 997. 



tellinula 996, 997. 



tenuis 996. 



triangulate 997. 

 Acanthocardia 1072. 

 Acanthocardium 1072. 

 Acardo 1077. 



edentuhnn 1112. 

 Acrostcrigma 1073. logo. 

 Adacna 1072. 

 Adasius 959, 960. 

 Aeretica 1038. 

 Aligena 1064, 1119, 1154. 

 1174, 1175- 



sequata 1/75, 1176. 



elevata 1161, 7/77. 



levis 1175. 



lineata 1174, 1176. 



1205 



Aligena, cont'd. 



minor 1177. 



nuda 1176. 



pustulosa 1176. 



Sharpei 1177. 



striata 1175. 

 Alveinus 1118, 1165, 1166. 



mimatur 1166. 



minuta 1166. 



minutus 1166, 1167. 



parva 1166. 



parvus 1118. 



rotundas 1167. 

 Amphicardium 1076. 

 Amphichasna 973, 979. 



Kindermannii 973, 979. 

 Amphidesma 985, H7S- 



aequalis 095, 998. 



aequata 1175. 



bellastriata 993. 



Boysii 995. 



Burnsii 989. 



cancellata 993. . 



carinata 988. 



constricta 995, 1125, 

 1128. 



decussata 991. 



insequale 995. 



Jayanum 991. 



lepida 995. 



nuculoidea 994. 



obliqua 993. 



orbiculata 991. 



protexta 995, 1129. 



punctata 995, 1187. 



purpurascens 993. 



radiata 991. 



reticulata 991. 



17 



Amphidesma, cont'd. 



subobliqua 998. 



subovata 990. 



subreflexa 997. 



subtruncatum 991. 



tellinula 996. 



transversa 995. 



variegata 985, 993. 

 Amphidona 973, 979. 

 Amphilepida 1117, 1120. 

 Anapa 1162. 

 Anatina 998. 



bidentata 1157, 1161. 



tellinoides 1000. 

 Ancillaria 1197. 



chifolana 1197. 



Angulus 964, 1004, 1010, 



1014, 1015, 1016, 1022, 



1025, 1026, 1032, 1033, 



1034, 1035, 1036, 1045. 



modestus 1036. 



obtusus 1036. 



politus 1034. 

 Angusticardo 1125. 

 Anisodonta 1117, 1131, 1134. 



amcricana 1133. 



bowdeniana 1133. 



Carolina 1133. 



complanata 1117, 1132. 



corbuloides 1133. 



elliptica 1129, 1133. 



quadrata 1116. 



simplex 1133. 

 Anomalokellia 1118, 1142, 



catalaunensis 1118, 1142. 

 Aphrodite 1077. 



columba 1077, 1112. 



