164 PROCEEDINGS OF THE NATIONAL MUSEUM. VOL. 37. 
BULLARIA PUNCTULATA A. Adams. 
Bulla punctulata A. Apams, Thes. Conch., vol. 2, 1850, p. 604, pl. 123, fig. 77. 
Lobos de Afuera Island. One dead specimen. 
Distribution.—From Cape St. Lucas, Lower California, and ihe 
Gulf of California, southward to Peonennonr, Peru, and the Gallepaee 
Islands. 
Shell oval, involute, solid, with a marbling and punctate painting 
of reddish brown; surface smooth, leneth about 25 mm. 
SIPHONARIA (LIRIOLA) LESSONTI Blainville. 
Siphonaria lessont BuainvitLE, Dict. Sci. Nat., vol. 32, 1824, p. 267, pl. 44, fig. 2 
From rocks at north of water front, Callao. One specimen. 
Distribution.—Straits of Magellan northward to Callao, Peru. 
Shell patelliform, erect, the apex rather sharp, recurved; surface 
feebly radially striate; of a brownish-olive color. Margin entire. 
Interior brown, polished, the muscular scar interrupted for the passage 
of the siphon. 
This is a very common species, of no economic value, frequently . 
found among true marine limpets on rocks between tide marks. It 
has been frequently confounded with the S. tristensis of Sowerby 
from Tristan d’Acunha Island in the Atlantic Ocean. 
BULIMULUS HENNAHI Gray. 
Bulimulus hennahi Gray, Spicilegia Zool., vol. 1, 1828, p. 5, pl. 5, fig. 5. 
Snails from the hills of San Gallan Island, near Pisco, Peru; 1,200-to 1,368 feet 
above the sea. The lower parts of the island are arid, but the higher parts derive 
sufficient moisture from the clouds to support a good deal of vegetation and these 
snails. 
Distribution.—Arica, Tacna, and San Gallan Island, Peru. 
Shell oval, subacuminate, solid, rather rude, with irregular feeble 
axial rugosities; color pinkish white, with pink apex, and about 
seven whorls, the last about equal to the spire, moderately rounded. 
Aperture ovate, purplish imside, pillar straight; peristome simple, 
acute; a small umbilical perforation behind the expanded posterior 
part of the pillar. Length about 27 mm. 
These snails have no economic value. 
BULIMULUS COKERIANUS, new species. 
Plate 23, fig. 3. 
Snails from the peaks of Vieja Island, Independencia Bay, at about 1,200 feet 
elevation. 
Shell small, thin, conical, with about eight whorls separated by a 
distinct but not channeled suture; nucleus smooth, brownish, with 
