87. 
88. 
89. 
90. 
ile 
92. 
100. 
OW. 
102. 
103. 
104. 
105. 
106. 
EIS VOreS EE CIES 279 
M. nigra, Gray, B. C. Bull. 1, p. 51. 
M. taylori, Dall, B. C. Bull. 2, p. 5, Nautilus 
DORE ps a0: 
M. seminuda, Dall, B. C. Bull. 2, p. 9. 
M. vernicosa, Dall, B. C. Bull. 2, p. 95. 
M. denticulata, Dall, U.S. N. M. 1885, p. 551. 
Genus, Crenella, brown 
C. decussata, Mont., Nautilus X, p. 18. U. 
S. N. M. XII, p. 251. 
Sub-order, prectrnacea 
Family, PECTINIDAE 
Genus, pecten, Muller 
P. equisulcatus, Cpr., Bull. So. Cal. Acad. 
Sei., Vol. I, No. 5. 
P. caurinus, Gld., deseribed in this book. 
P. diegoensis, Dall, mostly dredged, south- 
ern. 
P. hastatus, Sby., San Pedro, at 200 fathoms. 
P. hericeus, Gld., Figure 19. 
P. latiauritus, Conr., described in this book. 
var. monotimeris, Conr., Figure 20. 
P. rubidus, Hds., northern. 
P. vancouverensis, Whiteaves, Nautilus VII, 
pe 100: 
P. randolphi, Dall, U.S. N. M. XXIV, p. 559. 
P. davidsoni, Dall, Nautilus XI, p. 86. 
P. ventricosus, Sby., Arnold, p. 114. 
P. alaskensis, Dall, Nautilus XI, p. 86. 
P. (Hinnites) giganteus, Gray, Figure 22. 
Genus, ima, Brug. 
