MARI^'E MOLLLSKS OF THE SOUTH-EASTERN COAST. 191 



PLATE XLV. 



Fig. 1. P/acoj)/iorrt a«/rt«7iVa Verrill «fe Smith; nat. size. 

 1 a. The same, dorsal view. 



1 b. The same, views of detached valves, two diameters. 



2. Trachydermon exaratus Sars ; 20.0. 



2 a. The same, ventral view. 

 2 b. Anterior valve, ^. 



3. Cuspidaria lamellosa Sars ; 7.3. 



4. Lyonsia ? araia Verrill & Smith; 36.0. 



5, 6. The same ; views of the beak and liinge of two specimens to show varia- 

 tions; ?• 



7. Lijonsiella {insculpia Jeffreys var. ?) gemma A'errill ; 4.5. Interior of left 

 valve. 



5. Tlie same ; exterior of the right valve of a larger specimen. 

 9. Verticordia {Trigonulina) ornata Oth'iguy ; 3.0. 



9 a. The same, view of the interior. 



10. Diplodonta turgida Verrill «fe Smith ; 25.0. 



11. The same, interior of a somewhat smaller valve. 



12. Modiola poJita Verrill & Smith; 33.0. 



13. Tellimyaferruginosa Montagu; 8.5, with the animal extended. 



14. Leda pernula yiiiWer ; 17.0. Halifax to Martha's Vineyard, on the Amer- 



ican coast ; Europe. 

 14 a. The same, view of the hinge. 



15. Leda acuta ConvaH ; 12.0. Side view. 



16. Idas argenteus Jeffreys, var. lamellosus Verrill & Smith ; f . 

 16 a. The same, interior of the right valve ; f. 



This plate first appeared in the Transactions of the Connecticut Academy of Sci- 

 ences (vol. vi., pi. xxx). The figures were drawn, under the direction of Prof. A. E. 

 Verrill, for the U. S. Fish Commission, by J. H. Emerton. 



PLATE XLVI. 



Fig. 1. Purpura h(ema8toma Linn6 var. floridana Conrad, operculum, inside view, 

 nat. size. 



1 a. The same, outside view. 



2 a. The same, a view of the shell, nat. size. 



2 b. The same, from the opposite side. [The preceding figures were drawn by 

 the late Dr. William Stimpson.] 



3. Pleurotomella charietsa Watson ; 52.0. 



4. Pleurotomella tincta Verrill ; 22.0. 



5. Pleurotomella Frielei Verrill ; 22.0. 



6. Plturotomella vitrea Verrill ; 8.0. 



7. Pleurotomella Lottd' VerrU\ \ 11.5. 



8. Pleurotomella (Oymnobeld) Blakeana DM ] 8.0. 



9. Admete^ nodosa VernW] 12.0. 



10. Jumala brychiaVuriiW; 41.0. 

 10 a. The same, operculum. 



11. Laxispira nitida Verrill ; 5.0. 



12. Omalaxis nobilisYeriill; diauj. ll.O, alt. 3.0. 



13. Pleurohranchus americanus Verrill ; 13.5. 



14. Coleophysis ^ eburncaV errWl] 6.0. 



15. Actceon vielampoides Dall ; 8.0. 



