374 L. E. CRAWSHAY. 



Volsella phaseolina (Philippi). 



At Positions 4, 6, 8, 10, 11, 32, 33, 36, 37, 38, 40, 43, 45, 49, 51, 53, 

 58, 60, 64, vii. 



Depth, 40-50 fath. or over. 



From one to six specimens were recorded at the several positions, 

 measuring from 3 to 9 mm. in length. 



Modiolaria marmorata (Forbes). 



At Positions 1 (one), 3 (two), 4 (three), 44 (one), 58 (one), 59 

 (one), 80 (one). 



Depth, 40-51 fath. 



Though this species was occasionally found buried in the tests of 

 Ascidians, most of the specimens recorded occurred free. One was 

 attached by the byssus to the base of a colony of CeUaria. 



PSEUDOLAMELLIBRANCHIATA. 



PTEEIIDAE. 

 Pinna fragilis, Pennant. 



Pairs of empty valves, or single valves or fragments of such, occurred 



at Positions 7, 8, 10, 13, 20, 28, 35, 49, 52, 66, 68, vii, 78, 80. 

 No living specimen was obtained. 

 Depth, 42-52 fath. or over. 



PECTINIDAE. 

 Pecten maximus (Linnaeus). 



At Positions 1 (empty shells), 7 (a few), 8 (one), 10 (one living, a 

 few dead), 11 (one), 12 (three), 14 (one), 20 (a few), 30 (a few), 

 43 (one young), 45 (two), 47 (one), 52 (one), 59 (two), 60 (three), 

 62 (one), 68 (three), 80 (several dead). 

 Depth, 40-51 fath. 



Pecten pusio (Linnaeus). 



One dead valve at Position 46, and one small living specimen at 



the doubtful Position vii. 

 Depth, 47-49 fath. or over. 



Pecten varius (Linnaeus). 



One young specimen at Position 7. 

 Depth, 42 fath. 



Pecten opercularis (Linnaeus). 



The numerical proportion in which this species was obtained may 

 be compared as follows : — 



