190 PROCEEDINGS OF THE ACADEMY OF [1876. 
(See Ann. Lyc. of Nat. Hist. of N. Y., XI., pl. VI., fig. 1v.) The 
accessory bulb upon the vaginal prostate is somewhat differently 
situated in this species. The extreme length of the genital system 
is eighty-seven millimetres. 
Jaw and lingual membrane already described. (See Proc. Acad. 
Nat. Sci. Phila., 1874, pl. XIV., fig. 5.) 
Arionta Californiensis, Lea. 
Monterey. Mr. H. Hemphill. 
Jaw already described. 
Lingual membrane with 53—1—53. Teeth as usual in the 
genus (see above). The side cusp and cutting point appears on — 
the 9th tooth. The inner cutting point of the 25th is bifid, so that | 
there are about 24 laterals (pl. VI., fig. w). 
The genitalia are as in A. Neckliniana already described. 
Arionta Dupetithouarsi, Desh. 
Monterey. Mr. H. Hemphill. 
Jaw as usual in the genus, with four, separated, stout ribs. 
Lingual membrane with 50—1—50 geil There are no distinct 
side cusps or cutting points on the centrals or first laterals, though 
there is a lateral bulge on the large cutting point. The distinct 
side cusp and cutting point appears on the ninth tooth. There 
are about nineteen laterals, the twentieth tooth having its inner 
cutting point bifid. The marginals are as usual in the genus (pl. 
Whey ie, Ws | 
Genitalia as in A. Traski (1.c.). The penis sac is more slender 
and has no retractor muscle in the single individual examined by 
me. The oviduct is greatly convoluted. 
Glyptostoma Newberryanum, W. G. B. 
San Diego, Cal. Henry Hemphill. 
Genitalia (pl. VI., fig. H). # is a dart sac or prostate gland. 
Bulimulus Dormani, W. G. B. 
Port Orange, Florida. Mr. Chas. Dury. 
Jaw (pl. VI., fig. M, the central portion only) as usual in the 
genus, arcuate, thin, transparent, ends acuminated, anterior sur- | 
face with about 54 plait-like ribs. The figure gives only a portion 
of the jaw. The upper median ribs are very oblique. 
Lingual membrane as in B. laticinctus, primularis, papyraceus, 
etc. Teeth 79—1—79. Pl. VI., fig. uu. This is the first species of : 
