160 A MANUAL OF AMERICAN LAND SHELLS. 



Succiiiea. Ore$^oiieiisis Lea. 

 Shell elongated-ovate, thiu, of a somewhat saffrou-yellow color, rather 

 coarsely though obtusely and distantly striated trans- 

 versely; spire with 2i or 3 well-rounded whorls, separated 

 by a distinct suture^ the last w^horl seven eighths the length 

 of the shell ; aperture two-thirds the length of the shell, 



Siiccinca 



orcgonenxis, strictlv ovate, oue-third longer than broad; columella are- 



enlaip;c-<l. ^ i <^ i 



uate, but not folded, a thin white callus of considerable extent cover- 

 ing it. Length, 6^"""; greatest lateral diameter 3^, least 2^'"'". 



Succhiea Oregonensis, Lea, Proc. Am. Phil. Soc, ii, 32 (1841); Traus.,ix,5; Obs., iv, 

 5(1844). — Pfeiffer, Mon. Hel. ^''iv., ii, 523.— Bixney, Terr. Moll., ii, 77, pi. 

 Ixvii, lig. 2.— W. G. Binney, Tc --. Moll., iv, 6; L. & Fr.-W. Sb.,i, 270 (1869); 

 Terr. Moll., v, 428.— Tryox, Am. uourn. Concli., ii, 235 (1866). 



Succ'uwa Gabbii, Tryon, Am. Journ. C'-iich., ii, 234, pl.» ii, fig. 14 (1866). 



Oregon and California, in the Pacific Province. 



Animal unknown. 



Compared with S. aurea, it is inuch smaller and combines red in its 

 coloration; the aperture is u: re rounded at base, so as to be more 

 broadly ovate ; the whorls ar' also more rounded. Grains of sand 

 adhere to its surface, much as u the young of S. avar<(, but no epider- 

 mal hairs have been noticed. 



Family VERONICELLID^. 



VEKONICELILA. (See below under species of the Southern Region.) 

 Veroiiicella olivacea, Stearns. 



Animal elongated-oval, slug-shaped, sides moderately curved, ends 

 obtusely rounded ; substance (in alcohol) coriaceous, back convex and 

 granidously rugose; coloi olive beneath, darker olive above; length 

 of body uearly four times Its width ; foot linear, not quite as long as, 

 and one-third the widtL :)f, the body ; eye-peduncles short, annulated, 

 with rather obscure, stumpy (bifurcate ?) tentacles below. Length of 

 largest specimen, 1.74 inches ; breadth of largest specimen, .51 inch. 



Hahitat. — Nicaragua (Occidental Department), where several speci- 

 mens were collected by Mr. J. A. McNiel. This species is found also 

 in the Upper Californian Province, fi specimen having been collected 

 by me near Lobitos in the year 18GG. My collection* contains three 



Now in the collection of the Uuited. States Museum.— [A". E. C. ,<?.] 



