18 BULLETIN 68, UNITED STATES NATIONAL MUSEUM. 



(26) Elodiamea De Folin, Zool. Record, vol. 22, 1885, p. M;=Elodia De Folin, Les 



Meleagrinicoles, 1867, p. 66; type, Elodia elegans De Folin, not Elodia 

 Desvoidy, 1863 ^-{-Herviera Melvill and Standen, Journ. Conch., vol. 9, 1897, 

 p. 185; type, Pyrgulina gliriella Melvill and Standen. 



(27) Moll. Roussillon, 1883, p. 167. 



(28) Proc. Biol. Soc. Wash., vol. 17, 1904, p. 110. 



(29) Notiz. Conch. Medit., 1872, p. 41. 



(30) Moll. Roussillon, 1883, p. 168. 



(31) Journ. Linn. Soc. Lond., vol. 7, 1864, p. 5. 



(32) Spiralinella Chaster, Journ. Conch., vol. 10, 1901, p. 8; type, Turbo spiraUs 



'Mont?igu= Spiralina Chaster, Proc. Royal Irish Acad., 3d ser., vol. 5, 18r;8 

 (p. 20 reprint). Same type, not Spiralina, Hartman, 1840. 



(33) Journ. Conch., vol. 10, 1901, p. 8. 



(34) I. Moll, del Piemonte e della Liguria, 1892, p. 46. 



(35) Doliella Monterosato, Bull. Soc. Mai. Ital., vol. 6, 1880, p. 73; type, Odostomia 



nitens Je^reys+Auriostomia Monterosato, II. Nat. Sicily, 1885, p. 20; type, 

 Odostomia erjaveciano Brusina. 



(36) Jordaniella Chaster, Proc. Royal Irish Acad., 3d ser., vol. 5, 1898 (pp. 20-21 



reprint); type. Turbo nivosa Montagu, Jordanula Chaster, Journ. Conch., vol. 

 10, 1901, p. 59, same type. 



(37) Malak. Blatt., vol. 22, 1875, p. 168. 



(38) Stomega Ball and Birtsch, Proc. Biol. Soc. Wash., vol. 17, 1904, p. 13; type, 



Odostomia conspicua Alder = Megastoma Monterosato, Conch. Medit., 1884, p. 

 94, same type. 



(39) Conch. Medit., 1884, p. 94. 



(40) Mem. Austr. Mus., vol. 4, 1903, p. 362. 



(41) Proc. Royal Soc. Tasmania, 1877, p. 152. 



(42) Moll. Reg. Arct. Norveg., 1878, p. 205. 



(43) Fonds de la Mer., vol. 1, 1870, pp. 264-265. 



(44) Mem. Austr. Mus., vol. 3, 1879, pp. 412-413. 



(45) Proc. U. S. Nat. Mus., vol. 30, 1906, p. 354. 



WEST AMERICAN PYRAMIDELLID^. 

 Genus PYRAMIDELLA Lamarck. 



Pyramidella Lamarck, Prod, d'un Nouv. Class, des Coq., 1799, p. 76. = Obeliscus 

 ANONYMOUS, Museum Calonnianum, 1797, p. 24. ^ Pyramidellus Montfort, 

 Conch. Syst., vol. 2, 1810, p. 499. 



Shell elongate-conic, increasing regularly in size with three folds on 

 the columella in the subgenera Pyramidella, Milda, Longchseus, 

 Voluspa, Pharcidella, CallolongcJixus, Otopleura, and Triptyclius: of 

 these the first two are umbilicated, the rest imperforate. The fol- 

 lowing subgenera have two columellar folds, umbilicated: Tiheria, 

 TJlfa, and Tropxas; imperforate: Vagna, Eulimella, and Cossmanica. 

 In the uniplicate members Orinella a,nd Sulcorinella are umbilicated 

 and Actxopyramis, Styloptygma, Syrnola, Stylopsis, IpMana, and 

 Syrnolina imperforate. The shell is usually strongly polished and 

 porcellanous in luster. 



Type. — Troclius dolahratus Linnaeus. 



This genus is represented on the west coast by the subgenera Pyra- 

 Tnidella, Longchseus, Voluspa, and Pharcidella. 



