160 BULIMUS §. 25. 



418. B. gracillimus (Achatina) Vfe.^/^M^J-^^^'^^^ 



T. imperforata , subiiliformis, tenuis, costis longitudinalibus, ' , 

 subrectis, lineisque confertissimis, parallolis 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. longa, 1 lata. 

 (ColL Nr. 238.) 



Achatina graciUima Pfr. in Wiegm. Arch. 1839. I. p. 352. 



Biilimus gracillimus Pfr. Symb. III. p. 54. 



— striato-costata Orb. moll. cub.I. p. 17 6. t. H . f. 1 9 — 2 1 ? *) 

 Habitat in insula Guba. 



419. B. hannensis Rang. + ''.>fi?/./J;?.4;(>/^ 



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

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

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

 lat. r/2 — 2 mill. (R.) 



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



Habital in Promontorio viridi Africae occidentalis. 



/> - /. . ,-. 9^ ■'/■ 



420. B. «ti^iatelius Adams. .^-'.--in^ 



T. imperforata, turrita, distuicte et conferlnn striata, tenuis, 

 pellucida, cerea; anfr. 7 convexi, ultimus y? longitudinis sub- 

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

 perist. simplex, rectum, margine columellari reflexiusculo. — 

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

 Cuming.) 



Bulimus striatella Adams in Bost. Proc. 18 45. p. 13.**) 



— striatellus Pfr. Symb. III. p. 87. 

 Habitat in insula Jamaica. 



Obs. Persimilis habitu Achalinae exili 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, longitudinaliter costata et slriata; spira elon- 

 gata, apice acuta; anfr. 7 convexis; apertura ovali, subrhomboidali. — Long. 5, 

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



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

 buslis, parallelis ornatis; apertura lata; labro tenui; columella haud multum 

 torta. — Div. 30». Spir. long. 0,15, long. tol. 0,2, lat. 0,07 poll. (Ad. 1. c.) 



