344 Umversity of California Publications in Zoology (Vou. 14 
It is restricted in the Survey collections to the open ocean. Living 
specimens were dredged in 39 to 68 fathoms from a bottom composed 
of fine dark green sand. 
Range—Tomales Bay, California, to Cerros Island, Lower Cali- 
fornia (Dall). 
Mangilia Risso 
Mangilia angulata Carpenter 
Plate 39, figures 10a and 10b 
Mangilia angulata Carpenter (1863), p. 658; Arnold, R. (1903), p. 212, 
pl. 7, fig. 9. 
Description.—This species was described by Arnold (1903) as follows: 
“*Shell small, turreted, elongate-fusiform; apex acute; whorls six, broad 
and angular, angle being slightly posterior to middle; sculpture consists of ten 
prominent, rather sharp, transverse ridges which reach maximum prominence 
on angle of whorl; suture deeply impressed, distinct, aperture oblique, narrow, 
elliptical, drawn out anteriorly into a short, narrow canal; outer lip thin; 
simple, arcuate; inner lip smooth.’’ 
Height, 2 to 10 mm. 
Occurrence.—At stations D 5785 (26, 3), D 5786* (5, 3), D 5787 
(1), D 5789 (1), D 5790 (8), D 5791 (6), D 5792 (16). 
This species has not thus far been recorded from the vicinity of 
San Francisco. It was dredged by the ‘‘ Albatross’’ only in the vicin- 
ity of the Farallon Islands at depths ranging from 19 to 46 fathoms 
on bottoms composed of fine dark green sand. 
Range.—Puget Sound, Washington, to San Diego, California. 
CONIDAE 
Conus Linnaeus 
Conus californicus Hinds 
Conus californicus Hinds (1844a), p. 7, pl. 1, figs. 3, 4, 5; Tryon (1884), 
p. 17, pl. 4, figs. 62, 63; Cooper (1888), p. 236; Arnold, R. (1903), p. 
199: 
Description—Arnold (1903) deseribed this species as follows: 
“*Shell double-conical; spire compact, elevated; apex subacute; whorls seven 
or eight, flat, smooth, except for incremental lines; suture irregular, appressed; 
body-whorl conical, subangular anteriorly, spirally ornamented with fine lines, 
which are most prominent on lower part of whorl; aperture long, narrow, 
slightly wider anteriorly; outer lip thin, bulging anteriorly; obsolete posterior 
sinus.’’ 
This uncommon species was reported from the Farallon Islands by 
Cooper. It is not represented in the Survey collections. 
Range.—Farallon Islands to San Diego, California (Arnold). 
