NDEX. 



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, 

 I0I5, 1 129, 1 140, 1 168. 



sequalis 989, pp5. 



jequata 11 19, 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. 



triangtilata 997. 

 Acanthocardia 1072. 

 Acanthocardium 1072. 

 Acardo 1077. 



edentulum 11 12. 

 Acrosterigina 1073, 1090. 

 Adacna 1072. 

 Adasius 959, 960. 

 Aeretica 1038. 

 ■ Aligena 1064, 11 19, 1154, 

 1 1 74, II75- 



asquata 1175, 1176. 



elevata Ii6i, 1177. 



levis 1175. 



lineata 1174, 1176. 



1205 



Aligena, cont'd. 



minor 1177. 



nuda 1 176. 



pustulosa 1 176. 



Sharpei 11 77. 



striata 1175. 

 Alveinus 11 18, 1 165, 1166. 



mimatur u66. 



minuta 1166. 



minutus 1166, 1167. 



parva 1166. 



parvus 1 1 18. 



rottindus 1167. 

 Amphicardium 1076. 

 Amphichaena 973, 979. 



Kindermannii 973, 979. 

 Amphidesma 985, 1175. 



Eequalis 995, 998. 



asquata 1175. 



bellastriata 993. 



Boysii 995. 



Burnsii 989. 



cancellata 993. 



carinata 988. 



constricta 995, 1125, 

 1 128. 



decussata 991. 



insequale 995. 



Jayanum 991. 



lepida 995. 



nuculoidea 994. 



obliqua 993. 



orbiculata 991. 



protexta 995, 1129. 



punctata 995, 11S7. 



purpurascens 993. 

 radiala 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 11 17, 1120. 

 Anapa 1 162. 

 Anatina 998. 



bidentata 1157, 1161. 



tellinoides 1000. 

 Ancillaria 1197. 



chipolana 1 197. 



Angulus 964, 1004, loio, 



1014, 101$, 1016, 1022, 



1025, 1026, 1032, 1033, 



1034, 103S, 1036, 1045. 



modestus 1036. 



obtusus 1036. 



politus 1034. 

 Angusticardo 1125. 

 Anisodonta 11 17, 1131, Ii34- 



americana 1 133. 



bowdeniana 1133. 



Carolina 1133. 



complanata 11 17, 1 132. 



corbuloides 1133. 



elliptica 1129, 11 33. 



quadrata 1 1 16. 



simplex 1133. 

 Anomalokellia 1 118, 1142, 

 IIS4- 



catalaunensis 1 118, 1142. 

 Aphrodite 1077. 



columba 1077, 11 12. 



