CARYCHIUM. 313 
ascendens; apertura ringens, plica columellari, altera parietali 
intrante, et callo dentiformi marginis dextri tripartita; peri- 
stoma crassiusculum, marginibus sinuatis, breviter expansis. — 
Long. 4, diam. 1!/ mill.* (M.) 
Carychium filicosta Morel. in Voy. Welw. p. 84. t. 3. f. 3. Conf. Martens 
in Malak. Bl. 1868. p. 139. 
Habitat Golungo-Alto provinciae Angolensis (Dr. Wel- 
witsch). 
* " * 
9. exiguum (Pupa) Say. (Coll. 4.) I. 165. II. 126. — Zrauenf. Sitzungs- 
ber. Ak. 1856. p. 12. — Bourg. in Rev. et Mag. Zool. 1857. p. 
219. — Bim. Terr. Moll. Un. St. IV. p. 178; Land- and freshw. 
sh. North-Amer. II. p. 6. f. 5—9. — Zryon in Amer. journ. conch. 
IV. 1868. p. 6. t. 18. f. 3. — .Bulimus exiguus DBinn, — Status 
Uniti centrales. (Conf. spec. 10—12.) 
10. ? C. exile Lea. 1 
»C. testa ovato-conica, valde elevata, subperforata, dia- 
phana, albida, longitudinaliter striata; spira obtusa; anfractibus 
senis, convexis; suturis impressis; apertura elliptica, integra, 
dentibus tribus; labio valde reflexo. — Long. 0,015, lat. 0,025 
, i4 , , , 
poll.* (L.) 
Carychium exile Lea in Amer. journ. XLII. p. 109. t. 1. f. 5. Conf. Binn. 
dt os Mite)UL 307/239 TESTS Ir T Spa 
Habitat prope Philadelphia. 
11. ? C. existelium Bourguignat. 7 
»lesta vix rimata, elongato-turrita, hyalina, laevi vel vix 
striatula; spira elongata, acutiuscula; anfr. 6 convexis; ultimo 
!/4 longitudinis aequante; apertura parum obliqua, ovata, pau- 
lulum parvula; pariete aperturali prope columellam dente minu- 
tissimo munito; peristomate reflexo; margine externo paululum 
intus inflexo. — Long. 2!/, diam. 3/, mill.* (B.) 
Carychium existelium .Bourg. in Rev. et Mag. Zool. 1857. p. 220. Conf. 
inn. Terr. Moll. IV. p. 182. 
Habitat in. Statibus Unitis. 
Obs. ,Differt a C. exiguo statura altiore, graciliore, apertura minus 
dilatata, unidentata, columella laevi, sutura distinctiore, anfractu ultimo spira 
breviore.* 
1?. ? C. euphaeum Bourguignat. 
.lesta vix rimata, elongato-turrita, hyalina, laevi; spira 
acuminato-acutiuseula; anfr. D convexiusculis; ultimo !/, lon- 
