268 ACHATINA §. 5. 6. 



Achatina Adamsi Pfr. in Pi-oc. Zool. Soc. 1845. p. 138. 

 Bulimus costulatiis Ad. in sched. olim. 

 Habitat in insula Jaraaica. 



Obs. Forma persimilis Buiimo gracillimo Pfr. 



72. A. exilis Pfr. 



T. exilis, acicularis, apice obtusa, hyalina vel pallidissime 

 cornea, sub iente longitudinaliter subarcuatim costulato-striata ; 

 anfr. 8 — 9 angusti, planulati, ultimus "/5 longitudinis paulo su- 

 perans; columella subarcuata, ad basin aperturae ovali-ellipticae 

 oblique Iruncata; perist. simplex, acutum. — Long. SVs, diam. 

 ly^ mill. Ap. 1 mill. ionga, '/2 lata. (Coll. Nr. 33.) 



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

 Habitat in insula Cuba prope Matanzas ! 



73. A. Michaudiana Orbigny. "f 



T. elongato-annulata, tenuis, pellucida, longitudinaliter striata; 

 spira elongato-turrita, apice subacuta; anfr. 8 convexi; sutura 

 excavata; apertura ovalis; columella recta, truncata. — Long. 4, 

 diam. 1 mill. (0.) 



Achatina Michaudiana Orb. moU. cub. l. p. 170. t. 11. f. 10 — 12. 

 Habitat in insula Cuba. 



§. 6. 



74. A. columna (Buccinum) Miiller. 



T. sinistrorsa, elongato-turrita, tenuiuscula, minutim granu- 

 lato-decussata, lutescenti-fulva; strigis, flammis et maculis rufis 

 ornata; spira elongata, apice obtusa, rufescens; anfr. 7 convexius- 

 cuii, infra medium impressi. ultimus % longitudinis paulo su- 

 perans; columella torta, callo albo prominente, spiraliter descen- 

 dente munita, prope basin aperturae subtruncata; apertura an- 

 gusta, obverse auriformis; perist. simplex, rectum, acutum. — 

 Long. 55, diam. 15 mill. Ap. 21 mill. longa, infra medium 8 lata. 

 (Cofl. Nr. 34. Spec. non plane adult.) — Long. 64, diam. 15 niill. 

 Ap. 20 mill. longa, 9 lata. (Spec. Reevean.) Long. 84, diam. 

 18 mill. (Spec. Kiisterian.) 



Buccinum columna Mull. verm. II. p. 151. N. 341. 



Lmax flammeus Martyn miiv. Conch. III. 122. Ed. Chenu (bibl 



conch. IL p. 28.) t. 41. f. 1. 



Helix columna Chemn. IX. P. 1 . p. 1 1 2. 1. 1 1 2. f. 954. 55. XI. t. 2 1 3. 



f. 3020. 21. 



— — Gmei p. 3653. N. 122. 



— — Dillw. descr. cat. 11. p. 955. N. 153. 



