ACHATiNA §. I. 247 



truncata, intus ad basin margine proniinente; labrum intus in- 



jcrassatum. — Long. 2 '/4 poll. (Say.) 



I Achatina solida Say in Philad. journ. V. p. \t%. 



Habitat in Florida orientali. 



' ^-k. Reeveana Pft'.'4i>. ZV- i':^ ■ -'''^ - -' 



T. oblongo-turrita, tenuis, sublaevigata, sub lente spiraliter 

 subtilissime striatula, nitidula, sub epidermide lutescente decidua 

 alba, luteo-bifasciata: fascia altera suturali, altera peripherica; 

 sutura regulariler crenulata; anfr. 7/2, omnes convexiusculi, ul- 

 timus Vv longitudinis subaequans; columella tenuis, strictiuscula, 

 brevissime truncata; apertura truncato-ovalis; perist. tenuissimum. 



— Long. 48, diam. 22 mill. Ap. 22 mill. longa, 13 lala. (Mus. 

 Cuming.) 



Achatina Reeveana Pfr. in Proc. Zooi. Soc. ^848. 

 Habitat in Africa occidentali. 



Obs. Colore persimilis sequenti; differt spira obtusa, anfract. summis con- 

 vexiusculis, sulura crenata, aperturae forma etc. 



,/^.-./.;;^-'- . , , , 



-9r-A. alabaster (Helix) Rang. - \ 



T. ovato -conica , sublaevigata , sub lente minulissime decus- 

 sata, diaphana, non nitens, alba, fasciis (1 — ) 2 fuscescenti-luteis, 

 altera suturali, altera peripherica ornata; spira conica, acutius- 

 cula; anfr. 8, 3 primi plani, reliqui convexiusculi, ultimus % lon- 

 gitudinis subaequans; columella strictiuscula , brevissime trun- 

 cata; apertura lata, subtetragono-ovalis; perist. simplex, acutum. 



— Long. 31 , diam. 15 mill. Ap. 1 4 mill. longa, 8 lata. (Coll. Nr. 3.) 

 Helix alabaster Rang in Ann. sc nat. XXIV. p. 2 0. t. 1 . f. 2. 

 Achatina alahaster Lam. ed. Dh. 34. p. 312. 



— — Reeve Gonch. syst. IL t. 178. f. 9. 



Chersina Alabaster Reck ind. p. 74. N. 3. 

 Habi^at in insula Principis prope littus occidentale Africae. 



"10. A. tenuis (Liguus) Gray. 



T. ovato-turrita, tenuis, oblique striatula, diaphana, albida, 

 epidermide corneo-flavida, decidua munita; spira conica, obtusa; 

 anfr. 7 convexi, ultimus */? longitudinis subaequans, obsolete an- 

 gulatus; columella recta, simplex, area castanea circumdata, bre- 

 vissitne truncata; apertura ovahs. — Long. 33, diam. 17 mill. Ap. 

 15 mill. longa, 10 lata. (CoII. Gray.) 



Liguus tenuis Gray in Proc. Zool. Soc. 1834. p. 66 

 — — Miiller synops. p. 32. 



Limicolarius tenuis Reck ind. p. 60. N. 2. 



Achatina tenuis Pfr. Symb. II. p. 135. 

 Habitat in Africa? 



