MARINE MOLLUSKS OF THE SOUTH-EASTERN COAST. 201 



PLATE LXIX. 



FIG. 1. Astyris rosacea Gould. 



2. Mya arenaria Linne". 



3. Litorina rudis, var. tenebrosa, Montagu. 



4,5. Terebratulina septentrionalis Couthouy ; haemal vie-w^ and aide view. 



6. Litorina irrorata Say. 



7. Petricola pholadiformis Lamarck. 



8. Mactra lateralis Say. 



9. Thracia Conradi Oouthouy. 



PLATE LXX. 



FIG. 1. Maclra ovalis Gonld. 



2. Pecten magellanicus Gmelin. 



PLATE LXXI. 



FIG. 1. Venus mercenaria, var. notata, Say. 



2. Mytilus edulis Linn6 ; typical form. 



3. Venus mercenaria Linn6 ; typical. 



PLATE LXXII. 



''iG. 1. Chione limactna Phipps ; enlarged to twice natural size. 



2. Philine sinuata Stimpson. 



3. Philine quadrata Searles Wood ; Europe, Arctic seas, southward to Cape Cod. 



4. Scaphander puncto-striatus Mighels and Adams; enlarged about one-third. 



5. Lamellaria pellucida Verrill. 



6. Utricvlm pertenuis Mighels. 



7. Utriculun Gouldii Couthouy. 



8. Philine lineolata Couthony ; enlarged three times. Arctic seas, south ward tr. 



Cape Cod. 



9. Adeorbis costulata Moller. 



10. Scala grcenlandica Perry. 



11. Sipho Stimpsoni Morch. 



12. Buccinum undatum Linu6. 



PLATE LXXIII. 

 FIG. 1. Fulgur canaliculatus Linn 6. 



PLATE LXXIV. 

 FIG.. 1. Fulgur carica Gmelin. 



