NO. 1139. DEEP-WATER MOLLUSCA VERRILL AM> I'.rsll. 8i>") 



Fig. 6. The same. Hinge of both valves of the same specimen ; x aliout 26. 



7. Montacuta bidcntata (Montagu) variety tenuix Verrill ;md Bush, p. 779. 



Interior of a right valve 1'roui station 2277; X about 13. 



8. Montacnta bidcntata (Montagu 1 ) variety fnt'/ilis Verrill and Bush. p. 780. Inte- 



rior of a right valve No. 4l>134; X 17. 



9. Montacuta orata Jeffreys, p. 7*1. Interior ol' a right valve No. 461)56: x 20. 

 10. The same. Interior of a left valve No. 46137; X 20. 



PLATE XCIII. 



Fig. 1. Cri/Dfodoii (Axinulus) oratits Verrill and Basil, p. 793. Hinge of lioth valves 

 of type specimen from station 94!) ; X 45. 



2. Kelliopsia elcvata (Stimpson) Verrill and Bush, p. 7*4. Hinge of a right 



valve No. 74333 from Nanshon ; X 30. o, Resilium and ossicle. 



3. The same. Hinge of another right valve from the same station, to show 



variation; X 30. 



4. The same. Hinge of both valves of another specimen from the same station; 



X 30. 



5. Montacuta cuneata Verrill and Bush, p. 782. Hinge of both valves from 



station 2278; X 30. 



6. Moutacuta tttmidula Jeffreys, p. 781. Hinge of a left valve No. 35412; x 30. 



a, Resilium and ossicle. 



7. Monlacnia bidentata (Montagu), p. 779. Hinge of a right valve No. 74328 



from Naushon ; x 30. 



8. The same. Hinge of both valves of a smaller specimen from the same sta- 



tion ; X 30. 



9. Montacuta striatula Verrill and Bush. p. 780. Hinge of a left valve 1'roai 



station 2276; X 30. Hinge of a right valve from station 2273; X 30. 

 10. KeUieUa nitida Verrill, p. 778. Hinge of both valves of specimen No. 37971; 

 X 12. Right valve turned down, left turned up 



PLATE XCIV. 



Fig. 1. Montacuta tuntidula Jeffreys, p. 781. Interior of a left valve No. 35412 

 from station 2103; X 20. a, Resilium and ossicle. 



2. The same. Interior of a right valve from the same station; X 20. 



3. KeUia suborbicularis (Montagu), p. 779. Interior of left valve of a specimen 



from off Salem, Massachusetts, 1877; X 10. 



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



5. Montacuta casta Verrill and Bush, p. 781. Exterior of a left valve from sta- 



tion 2283; x 20. 



6. Montacuta bidentala (Montagu), p. 779. Interior of a right valve No. 74328; 



X about 13. 



7. Kelliopsis elevata (Stimpsou) Verrill and Bush, p. 784. Interior of a right 



valve No. 74333 from Naushon; X about 13. , Resilium and ossicle. 



8. The same. Exterior of a left valve from the same station; x about 13. 



PLATE XCV. 



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

 specimen) No. 52561; X about 2A. 



2. rerticordia gran itlif era (Verrill) Dall. p. 816. Hinge of a left valve (type 



specimen) No. 44838; x 8. 



3. The same. Hinge of both valves of a fully grown specimen No. 78679; X 4. 



Turned up to show ossicle, a. 



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



