No. 1704. A COLLECTION OF SHELLS FROM PERU—DALL. 249 
Class SCAPHOPODA. 
Order SOLE NOCONCHA. 
Family DENTALIID 2. 
Genus DENTALIUM Linnezus. 
DENTALIUM ZQUATORIUM Pilsbry and Sharp. 
1897. Man. Con., vol. 17, p. 112, pl. 21, fig. 43. Off Manta, 
Ecuador. 
DENTALIUM INNUMERABILE Pilsbry and Sharp. 
1897. Man. Con., vol. 17, p. 119, pl. 18, figs. 6-8. Magdalena 
Bay, Lower California, and southward to Panama and 
Guayaquil. 
DENTALIUM NUMEROSUM Dall. 
SOG Mant: Cons, vol. 17, 4p.) 25, ple 10) figss(0=(3.- Lodos 
Santos Bay, Lower California, and southward to Panama 
and the Galapagos Islands. 
DENTALIUM QUADRANGULARE Sowerby. 
1832. Proc. Zool. Soc., p. 29; Thes. Con., vol. 3, p. 108, pl. 294, 
fig. 31, 1860. West Coast of Nicaragua and south to Jipi- 
japa, Ecuador. 
DENTALIUM TESSARAGONUM Sowerby. 
1832. Proc. Zool. Soc., p. 29.—Piuspry and SHarp, Man. Con., 
vol. 17, p. 34, pl. 4, fig. 1, 1897. Gulf of Panama and south 
to Jipijapa, Ecuador. 
Genus CADULUS Philippi. 
CADULUS ALBICOMATUS Dall. 
1889. Proc. U.S. Nat. Mus., vol. 12, p. 259, pl. 9, fic. 8. Gulf 
of Panama to vicinity of Manta, Ecuador. 
CADULUS PERPUSILLUS Sowerby. 
1832. Dentalium perpusillum Sow RBy, Proc. Zool. Soc., p. 
29.—Pinspry and SHarp, Man. Con., vol. 17, p. 191, pl. 36, 
figs. 23, 24, 1847. Off Lower California, N. lat. 23° 33’, and 
south to Panama and Guayaquil. 
CADULUS PLATYSTOMA Pilsbry and Sharp. i 
ee Mian Cone. voll p. 180) ple 35, hes. 17, 18.) Ofr 
Manta, Ecuador. 
