204 BULLETIN 37, UNITED STATES NATIONAL MUSEUM. 



PLATE LXXX. 



FIG. 1. Tindaria callistiformis Verrill and Bush, p. 881. Exterior of right valve of 

 type specimen No. 52536 ; X 6. Off Bermuda. 



2. Scapharca (Batliyarca) profundicola Verrill, p. 844. Interior of right valve 



of specimen No. 52174; X 6. Off Chesapeake Bay. 



3. Cuspidaria undata Verrill, p. 798. Exterior of right valve of specimen No. 



52547; X 2. Off Chesapeake Bay. 



4. The same. Dorsal view of the same specimen. 



5. Microyoldia reyularis Verrill, p. 860. Exterior of left valve of type speci- 



men No. 38420; X 20. Off Marthas Vineyard. 



6. The same. Interior of right valve of the same specimen. 



7. Limopsis minuta Philippi, p. 846. Interior of right valve of specimen No. 



76320; X 4. Off 'Chesapeake Bay. 



8. Toldia ( Yoldiella) dissimilis Verrill and Bush, p. 872. Exterior of left valve 



of type specimen No. 38416; X 15. Off North Carolina. 



This plate first appeared in Proceedings U. S. National Museum, vol. xx, and the 

 page references given above refer to the paper by Verrill and Bush, pages 775-901 

 of the cited volume, in which the species are discussed. The figures were drawn by 

 A. H. Verrill. 



PLATE LXXXI. 



FIG. 1. Crenella fragilis Verrill, p. 847. Interior of right valve of type specimen 

 No. 41543; X about 3. Oif Chesapeake Bay. 



2. The same. Hinge of a larger fragment, No. 40676. 



3. Toldia (Yoldiella) Jeffrey si Hidalgo, p. 866. Exterior of a left valve, No. 



78958 ; x about 13. Off Chesapeake Bay. 



4. Limopsis profundicola Verrill and Bush, p. 847. Interior of a right valve of 



a young specimen ; X about 3. No. 38143. Off Delaware. 



5. Nucula snbovata Verrill and Bush, p. 852. Exterior of left valve of type 



specimen No. 40474 ; x about 13. Off Delaware. 



6. Abra longirallis Scacchi, var. americana Verrill and Bush, p. 778. Interior 



of right valve of specimen 52170; X about 3. Off Chesapeake Bay. 



7. The same. View of hinge of same specimen; X about 8. 



This plate first appeared in Proceedings U. S. National Musenm, vol. xx, and the 

 page references given above are to the paper by Verrill and Bush, pages 775-901, of 

 the cited volume, in which the species are discussed. The drawings are by A. H. 

 Verrill. 



PLATE LXXXII. 



FIG. 1. Lyonsia granulifera Verrill and Bush, p. 818. Exterior of a left valve (type 

 specimen) No. 52561 ; X about 2|. Misaine Bank. 



2. Verticordia granulifera Verrill, p. 816. Hinge of a left valve (type speci- 



men) No. 44838; x 8. Off Delaware. 



3. The same. Hinge of both valves of a fully grown specimen No. 78679; x4. 



Turned np to show ossicle, o. 



4. The same. Hinge of a right valve of another specimen No. 78929; x 6. 



5. CHdiophora inornata Verrill and Bush, p. 819. Hinge of both valves of 



specimen No. 49760 from station 327 ; X about 2. Cape Cod. , 



6. The same. Exterior of a left valve of a specimen from the same station ; 



X about 2|. 



7. Lyonsiella cordata Verrill and Bush, p. 818. Hinge of left valve of type 



specimen No. 52540; X 8. a, Ossicle; fo, ligament. Off Delaware. 



8. The same. Exterior of right valve of the same specimen ; x about 4. 



9. Limopsis sulcata Verrill and Bush, p. 845. Hinge of a right valve from 



station 2199; x about 10^. Off Delaware. 

 10. Nucula rernllii Dall, p. 853. Hinge of left valve of specimen No. 45752; 



X about 26. Off Marthas Vineyard. 



This plate was first published in Proceedings II. S National Museum, vol. xx, and 

 the page references are to the paper by Verrill and Bush, pages 775-901 of the cited 

 volume. The drawings are by A. H. Verrill. 



