160 BULIMUS §. 25. 



418. B. gracillimus (Achatina) Pfi*. 



T. imperforata, subuliformis, tenuis, costis longitudinalibus, 

 subrectis, lineisque confertissimis, paralielis in interstitiis costarum 

 sculpta, pallide corneo-albida; sutura impressa; anfr. 7 — 8 pla- 

 nulati, ultimus y^ longitudinis vix superans, infra medium obtuse 

 angulatus; columella subsimplex, ad basin aperturae angulum 

 formans; apertura ovali-subtriangularis; perist. simplex, margine 

 dextro extus impresso, repando, columellari breviter reflexo, ap- 

 presso. — Long. 7, diam. ly^ mill. Ap. 2 mill. lonea, 1 lata. 

 (Goll. Nr. 238.) 



Achatina gradllima Pfr. in Wiegm. Arch. ^839. l. p. 3S2. 



Bidimiis gracillimus Pfr. Synib. III. p. 54. 



— striato-costata Ch'b. moll. cub.I. p. 176. t. '11. f. 1 9 — 21 ?*) 

 Habitat in insula Guba. 



419. B. hannensis Rang. ^ 



T. conico-elongata, tenuis, diaphaua, lutescens, exilissime 

 striata, apice obtusa; anfr. 6, ultimus spira brevior; apertura 

 ovalis; columella recta; labrum simplex, acutum. — Long. 4 — 5, 

 lat. r/2 — 2 raill. (R.) 



Helix hannensis Rang in Ann. sc. nai. XXIV. p. 41. t. 3. f. 8. 

 Habitat in Promontorio viridi Africae occidentalis. 



420. B. striatellus Adams. 



T. imperforata, turrita, distincte et confertim striata, tenuis, 

 pellucida, cerea; anfr. 7 convexi, ultimus "/7 longitudinis sub- 

 aequans; columella superne leviter torto-plicata; apertura ovalis; 

 perist. simplex, rectum, margiue columellari reflexiusculo. — 

 Long. 4/^3, diam. 1/2 mill. Ap. 1^4 mill. longa, % lata. (Mus. 

 Guming.) 



Bulimus striatella Adarns in Bost. Proc 1845. p. 13.**) 



— striatellus Pfr. Symb. III. p. 87. 



Habitat in insula Jamaica. 



Obs. Persimilis habitu Achalinae exiii Pfr. Nr. 72. 



421. B. octonoides Adams. "f 



T. parva, albida, elongata; anfr. 7 perconvexi; labrum tenue; 

 columella recta. (B. octono similis, speciei, quam gen. Achatina 



*) T. elongalo-aciculata , alba , longitudinahter costata et slriata; spira eion- 

 gata, apice acuta; anfr. 7 convexis; apertura ovah , subrhomboidah. — I.ong. 5. 

 diam. 1 'A mill. (Orb. 1. c.) 



**) T. parva, tenui, nitida, diaphana, elongata; anfr. 7 convexis , striis ro- 

 buslis, parallelis ornatis; apertura lala; labro tenui; columclla haud multum 

 torta. — Div. 30''. Spir. long. 0,15, long. tot. 0,2, lal. 0,07 poll. (Ad. I. c.) 



