154 HELIX S. 43. 
879. ceroides Pfr. Ill. 632. IV. 85. V. 146. — Ins. Juan Fernandez. 
880. sincera C. B. Adams. ill 90. IV. 83. V. 146. — Jamaica. 
881. invasa Pfr. | |. 96 (pellucida C. D. Ad.). IV. 83. V. 1446. — 
Jamaica. 
889. brevis C. B. Adams. III. 90. IV. 83. V. 147. — Jamaica. 
883. minuscula Binnmn. (Coll. 345.) I. 1414. IIL 90. IV. 93. V. 147. — 
Microphysa Püfel Cat. p. 92. — Helix apex Ad., minutalis Mor. 
— Pseudohyalina minuscula Morse in Journ. Portl. soc. 4864. 
L p.16. f. 34. t. 7. f. 35. — Tryon. Amer. journ. conch. II. p. 264. 
t. 4. f. 62. — Hyalina minuscula. Binn. Amer. landsh. p. 37. f. 50. 
— Hyalina (Pseudohyalina) mnuscula A. Adams in Ann. and 
Mag. 4th. ser. IL p. 467: Vladimir Bay Japoniae. — Zonites (Hya- 
linia) minusculus Crosse S. Fisch. Moll. terr. Mex. p. 175. — Flo- 
rida, Texas, resp. mexicana, Cuba, Jamaica. 
884. H. Morsei Tryon. 
T. mediocriter umbilicata, convexo-depressa, conferte et 
leviter inciso-striata, tenuis, pellucida, virenti-hyalina; spira 
parum elevata, vertice minuto, obtuso; sutura mediocris; anfr. 4 
parum convexi, regulariter accrescentes, ultimus non descen- 
dens, depresso-rotundatus; apertura obliqua, rotundato-lunaris ; 
perist. simplex, rectum, marginibus convergentibus. — Diam. 
maj. 3'/, min. 3, alt. 1!/ mill. (Coll. Nr. 316.) 
Hyalina Binneyanà Morse in Port journ. nat. hist. 1864. 
I. .p4432.:25-:20 
— — Tryon*) in Amer. journ. Conch. II. 1866. 
p. 252. t. A. T. 034. 
-— — Binn. et Bland Landsh. North-Am. I. 
ps5: 39.5 1.56; 
Heli Morsei Tryon in Amer. journ. Conch. IL. p. 252 in adnot. 
Habitat Maine Statuum Unitorum. 
885. Hi. ferrca (Striatura) Morsc. 
T. subanguste umbilicata, convexiusculo-depressa, tenuis, 
sub lente confertissime striatula et lineis microscopicis spirali- 
bus notata, vix nitidula, pellucida, pallide griseo-cornea; spira 
vix elevata, obtusa; sutura impressa; anfr. 3 convexiusculi, 
rapide accrescentes, ultimus latus, depressus, antice non de- 
scendens, basi subplanulatus; apertura vix obliqua, lunato- 
ovalis, latior quam alta; perist. simplex, rectum, marginibus 
convergentibus. — Diam. maj. 3, min. 2!/5, alt. 4 mill. 
(Coll. Nr. 307.) 
*) «Differt ab H. minuscula spira elevatiore et ab H. electrina statura 
minore et anfractibus minus rapide accrescentibus.» 
