.30 IIELIX i5. 3. 



intus margarilacea; pcrist. siin[)lcx, acnlum, marginibus con- 

 vergentibus, columellari filiformi, alhiclo, polito, snbverticali, 

 leviter arcuato, inlrante. - Diam. maj. UlVa, min. 17, alt. 

 'I4V2 miil. (Mus. Benson.) 



Helix Trotteriana Bens. in Ann. and Mag. 2 d. ser. II. 1848. 

 p. 161. 



— - Chemn. ed. II. Helix N. 93 2 t. 143. ri.'2. 

 Ilabiiat prope Uitenhage Africae meridionalis (Trotter). 



* 

 26. depicta Grat. ^- Mon. 1. p. 27. 



27. H. munda Adams. 



T. imperforata, depresso-globosa, tenuis, subtilissime stria- 

 tula, albida, epideimide tenui, non nitente, fuscescente induta; 

 spira parum elevata, obtusiuscula; anfr. 5 vix convexiuscuii, 

 lente accrescentes, ultimus subdepresstis, antice non descen- 

 dens; columella obliqua, stricla, planata; apertura obliqua, 

 lunato-rotundala; perist. simplex, tenue, acutum, eum colu- 

 melia angulum obtusum formans. — Diam. maj. 14^2, min. 12, 

 alt. 9 mill. (Mus. Cuming.) 



Helix munda Adams Contrib. to Conchol. N. 2. p. 32. 



— — Chemn. ed. II Helix N. 679 e. t. 108. f. 21. 22. 



Habitat in insula Jamaica. 



Obs. Ditrert ab H. tenerrima Ad. forma depressiore, anfraclilms 

 lentius accrescentibus, ultimo depresso, apertura minore, magis obli- 



qua, etc. 



* 



28. tcnerrima Adams. (Coll. 17. — Cliemn. ed. nov. 



I. p. :230. — Parthena Alh. p. 412.) Mon. I. p. 28. 



29. H. columcllata Adams. *{• 



T. imperforata, superne convexo-conica, irregulariter stri 1- 

 tula (interdum microscopice multipunctata), sub epidermidt> 

 lutescenie vel virenti-fusca alba; apex subaculus; spira valde 

 elevata, fere conica; anfr. fere 6, modico convexi, obtuse sul)- 

 humerosi [a obtusely a little shoulderedn), ultimus supra mediuui 

 sub|)lanalus, basi subconvexus, non impressus; apertura 

 sphaerico-triangularis; perist. acutum; columella valde oblique 

 producta, curvata, crassa, abrupte terminata, opaca, alba. — 

 Diam. m ij. 0,03, min. 0,5(5, alt. 0,47 poll. (Ad.) 



Heiix colwnellata Adams Contrih. to Conchol. N. 5. p- 80. 

 llabitat in insula Jamaica. 



Obs. "Speeies hueusque euui H. tenerrima eonfusa.» 



