AENOLD — THE PALEONTOLOGY AND STRATIGRAPHY OF SAN PEDRO. 75 



MOLLUSCA (Continued). 



Subgenus Amiantis Conrad 145 



81. (A.) callosa Conrad 145 



Subfamily Dosinince 146 



Geuus Dosinia Scopoli 146 



[S. D.] ponderosa Gray 146 



Genus Venus Linne 146 



[S. B.] perlamiuosa Conrad 146 



Subgenus Chioue Megerle 147 



82. (C.) fluctifraga SowERBY 147 



83. (C. ) gnidia Sowerby 147 



84. (C.) neglecta Sowerby 148 



85. (C.) simillima Sowerby 148 



86. (C.) succincta Valenciennes 149 



Subfamily Tapetin<^ 149 



Genus Tapes Megerle 149 



87. lacineata Carpenter 150 



88. staminea Conrad 150 



89. teuerrima Carpenter 151 



Genus Saxidomns Conrad 151 



90. arat us Gould 151 



Subfamily Gemminm 152 



Genus Psephis Carpenter 152 



91 . salmonea Carpenter 152 



92. tautilla Gould 153 



Family XX VIII. Cooperellidce 153 



Geuus Cooperella Carpenter 153 



93. subdiaphana Carpenter 153 



Family XXIX. Petricolidai 154 



Genus Petricola Lamarck 154 



Section Petricola Lamarck, s. s 154 



94. (P.) carditoides Conrad 154 



Section Rupellaria Fledrian 155 



95. (R.) lamellifera Conrad 155 



Section Petrioolaria 155 



96. (P.) denticulata Sowerby 155 



97. (P.) cognata C. B. Adams 156 



SUPERFAMILY TELLINACEA 156 



Family XXX. Tellinidce 156 



Geuus Tellina Linn^ 156 



Subgenus Moerella Fischer 156 



98. (M.) salmonea Carpenter 157 



Subgenus Angulus Megerle 157 



99. (A.) buttoni Dall 157 



100. (A.) bodegeusis Hinds 158 



101. (A.)id£eDALL 158 



102. (A.) rubescens Hanlet 159 



Geuus Metis H. & A. Adams 160 



103. alta Conrad 160 



Genus Macoma Leach 160 



Subgenus Macoma, s. s 161 



104. (M.) calcarea Gmelin 161 



105. (M.) indentata Carpenter 161 



106. (M.) inquiuata Deshayes 162 



107. (M. ) nasuta Conrad 163 



108. (M.) nasuta Conrad, var. kelseyi Dall 164 



109. (M.) seota Conrad 164 



110. (M.) yoldiformis Carpenter 165 



Family XXXI. Semelida Schumacher 165 



