1903.] 



NATURAL SCIENCES OF PHILADELPHIA. 



757 



Phacoides amiantus Dall. 4, 5, 7. 

 DivariceUa quadrisulcata Orb. 5. 

 Diplodonta punctata Say. 5, 7. 

 Chama arcinella L. 4. 

 Cardium rohustuyn Sol. 3, 4, 5, 



6,7. 

 Cardium isocardium L. 1, 4, 5. 

 Cardium muricatum L. 3, 4. 

 Cardium scrratum L. 3, 4, 5, 7. 

 Cardium mortoni Conr. 6. 

 Venus mercenaria L. 1,4. 

 Fe/7us mercenaria mortoni Conr. 



3, 5, 7. 

 Fenws cribraria Conr. 4, 5, 7. 

 Fewws cancellata L, 4, 5, 7. 

 Fe/ius pygmcea Lsun. 4, 5, 7. 

 Fe?ms cuneimeris Conr. 4, 5. 

 Gemma gemma purpurea Lea. 4. 

 Parastarte triquetra Conr. 4, 5. 

 Meretrix simpsoni Dall. 4, 5. 

 Meretrix eucymata Dall. 7. 

 Meretrix conradiana Dall. 4, 5. 

 Meretrix texasiana Dall. 3. 

 Callista nimhosa Sol. 1, 4, 5, 6, 7. 

 Dosinia discus Rve. 1, 4, 5, 7. 



Petricola pholadiforynis Lam. 

 4,5. 



3, 



5. 

 1, 3, 7. 



0, /. 



7. 

 4,5. 



Donax variabilis Say. 1, 3, 4, 5, 



6,7. 

 Donax obesa Orb. 3, 4, 5, 7. 

 Tagelus divisus Spengl. 3, 5. 

 Tellina magna Spengl. 

 Tellina alternata Say 

 Tellina tenera Say. 3. 

 Tellina polita Say. 4. 

 Tellina consohrina Orb. 

 Tellina lintca Conr. 5, 

 Tellina pauperata Orb. 

 Macoma constricta Broug. 3 

 Macoma brevifrons Say. 7. 

 Macoma tenia Say. 5. 

 Tellidora cristata Reel. 5. 

 Strigilla flexuosa Say. 4, 5, 

 ilfe^is intastriata Say. 4. 

 A6ra cequalis Say. 3, 4, 5, 7. 

 Ervilia concentrica Gld. 4, 5. 

 Semele bellastriaia Conr. 4, 

 Spisida solidissima similis 



I, 3, 4, 5, 7. 

 Midinia lateralis Say. 3, 

 Labiosa canaliculata Say, 

 Panopea bitruncata Conr. 

 Ensis directus Conr. 5. 

 Barnea costata Sav. 3. 



Say. 



4, 5. 7. 

 1,3,7. 

 5. 



Class SOAPHOPODA. 



Dentalium disparile Orb. 4, 5. 



Class GASTROPODA 



Tornatina candei Orb. 4, 5. 

 Cylichnella bidentata Orb. 3. 

 Bullus occidentalis A. Ad. 5. 

 Melampus coffea gundlachi Pfr. 6. 

 Terebra dislocata Say. 4, 5. 

 Mangilia cerina K. and S. 4, 5. 

 Cancellaria reticulata L. 5. 

 OZiw literata Lam. 1, 3, 4, 5. 

 Olivella mutica Say. 4. 



Olivella pusilla Marr. 4, 5. 

 Marginella apicina Menke. 5. 

 Fasciolaria tulipa Lam. 4, 5. 

 Fulgur pyrum Dillw. 4, 5. 

 Fulgur perversa L. 4, 5. 

 Melongena corona Gmel. 4. 

 Tritonidea cancellaria Conr. 7. 

 Nassa acuta Say. 4, 5. 

 Columbella avara Sav. 5. 



