164 PROCEEDIXGH OF THE \ATIOXAL MUSEUM. vol.37. 



BULLARIA PUNCTULATA A. Adams. 



Bulla pundidata A. Adams, Thes. Conch., vol. 2, 1850, p. 604, pi. 123, fig. 77. 

 Lobos de Afuera Island. One dead specimen. 



Distribution. — From Cape St. Lucas, Lower California, and the 

 Gulf of California, southward to Pacasmayo, Peru, and the Galapagos 

 Islands. 



Shell oval, involute, solid, with a marbling and punctate painting 

 of reddish brown; surface smooth, length about 25 mm. 



SIPHONARIA (LIRIOLA) LESSONI Blainville. 



Siphonaria lessoai Blainville, Diet. Sci. Nat., vol. 32, 1824, p. 267, pi. 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 confoundetl with the S. tristensis of Sowerby 

 from Tristan d'Acunha Island in the Atlantic Ocean. 



BULIMULUS HENNAHI Gray. 



Bulimuliis hennahi Gray, Spicilegia Zool., vol. 1, 1828, p. 5, pi. 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.— Aric a, 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 eciual to the spire, moderately rounded. 

 Aperture ovate, , purplish inside, 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 



