ON MOLLUSCA OF THE WEST COAST OF NORTH AMERICA. 573 
Page. Pl. Fig: 
I 98. 2. Conus Philippii, Kien. Mexico. Coast not stated. ] 
65. 27. 3. Pleurotoma triticea, Kien. Indian Ocean. [Probably Cithara 
stromboides, Val. ; Cape St. Lucas. ] 
45, 9. 2. Columbella suturalis, Gray (Griff. pl. 41. f. 2)= C. costata, Ducl. 
Mon. pl. 12.f. 1, 2. Pacific, Coasts of Peru [= Anachis fluc- 
tuata, Sby. |. 
46 16. 4. Colwnbella bicolor, Kien. Hab. — [=.A. rugosa.] 
64, 65. (German Authors.) Pfeiffer.—Everything relating to the land- 
shells of North America will be found so thoroughly collated in the works 
of Mr. Binney (v. infra), that it is only judged needful to present here the 
most important references to the writings of the great authority on the 
Pulmonata, The student must necessarily consult the ‘ Symbol ad Histo- 
riam Heliceorum, Cassel, 1841’ et seq., Which contains the following ori- 
ginal authorities :— 
1846. p. 89. Achatina Californica, Pfr. Monterey, Cal. 
91. Achatina (Glandina) turris, Pfr. Hab. ?— [Genus altered to Oleacina, 
Mon. Hel. iy. p. 640. Maz. Cat. 231.] 
In the same author's great work, ‘ Monographia Heliceorum Viventium,’ 
Lipsie, 1847-8, oceur— 
Page. 
Vol.I. 1847, 324. Helix Sagraiana, )’Orb. Cuba, California. [Sowerby’s 
error, copied by succeeding writers. The species is ex- 
clusively Cuban. ] 
338, Helix fidelis, Gray. Oregon.=H. Nuttalliana, Lea. 
339. Helix Californiensis, Lea. California. + H. Nickliniana, 
Lea. (Quoted as a distinct species in Vol. IV. p. 269.] 
(Vol.3. 229. =H. arboretorum, V al.) 
341. Helix Townsendiana, Lea. California. 
(Vol.3. 229. =H. pedestris, Gld.,4ruida, Gld.) 
428. Helix Oregonensis, Lea. Oregon. 
(Vol. 4. 227. =H. Dupetithouarsii, teste Pfr.) 
Vol, I, 1848. 101. Bulimus Mexicanus, Lam. Tabasco, Mexico, =H. (Cochlo- 
gena) vittata, Fér. 
(Vol.4, 402. =Orthalicus M., Cpr.) 
143, Bulimus zebra, Mull.* Mexico, &.= Zebra Miilleri, Chem. 
=Bulimus undatus, Brug. *= Orthalicus livens, Beck *, 
+B. princeps, Brod.+ B. melanocheilus, Val. 
231. Bulimus (Cochlogena) melania, Fér. California. = Melania 
striata, Perry = B. bovinus, Brug. 
Vol. III. 1853. 127. Helix Pandore, Fbs. St. Juan del Fuaco. 
(Vol.4. 347. | =H. Damascenus, Gd.) 
415. Bulimus Humboldti, Rve.=B. Mexicanus, Val. [? non Lam. | 
Mexico. 
422. Bulimus Californicus, Rve. California. 
Vol. TV, 1859, 89, Helix Mazatlanica, Pfr.,n. s. (Mal. Blatt., Apr. 1856, p. 43.) 
Mazatlan. 
268. Helix exarata, Pfr., n. s. California. 
270. Helix reticulata, Pfr. (Mal. Blatt. May 1857, p. 87). Cal. 
276. Helix Mormonum, Pfr. Mormon Island, California. 
347. Helix cultellata, Thomson. Contra Costa Co., California. 
350. Helix arrosa,Gld. Hab. ?— [California.]+ eruginosa,Gld. 
420. Bulimus chordatus, Pfr. (Mal. Blitt., April 1856, p. 46.) 
Mazatlan. 
472, Bulimus Ziegleri, Pfr. (Mal. Blatt., Dec. 1856, p- 232.) 
Mexico. = Orthalicus Z., Cpr. 
_ * These appear as three distinct species in Vol. IV. p. 588-9, with the addition of B. 
longus, Pfr. (= Orthalicus 1., Mal, Blitt., Oct. 1856, p. 187.) 
