HELIX §. 39. 40. 
193 
naris; perist. simplex, rectum, margine columellari reflexiusculo. 
— Diam. maj. 10, min. 9, ait. 8 mill. (Spec. Mus. Brilt.) 
Nanina? Kivi Gray in DicfTcnbach trav. I. p. 262. 
Habitat in Nova Seelandia. 
49S\ exaequata Gould. 
T. parva, discoidea, tenuis, lucida, glabrata, succineo - cor- 
nea, ad peripheriara rotundata, infra subpiana, in foveam cen- 
tralem devexa; spirae anfr. 7 arcte voluti, supra planulati, sutura 
marginata bene impressa discreti, spiram planam eflbrmantes; 
apertura angusta, transversa; labrum simplex, portione sinistra 
fere horizontali, recedente, subreflexa. — Lat. yai», ait. ysa poli. (G.) 
Helix exaequata Gould 1846. Exped. shells p. 19. 
Habitat in insula Kauai Sandwich. 
Obs. “Testa subtus H. internae et indentatae similis». 
§. 40 . 
^ 499. H. vclutina Lamarck. 
T. orbiculato -convexa, subperforala, minutissime striata, 
diaphana, corneo-lutescens; spira brevissima, obtusa; anfr. 5 con- 
vexiusculi, ultimus tumidus; apertura lunaris; perist. simplex, 
acutum, margine columellari reflexo. — Diam. 13, ait. 7 mill. 
(ex ic. Deless.) 
Helix veluiina Lam. 75. p. 86 . ed. Dh. p. 63. 
— — Deless. recueil t. 26. f. 2. 
— tortula (Helicella) Fdr. p'p. 227. {teste Lam.) 
Bradybaena velutina ct tortula Beck ind. p. 1 8. 
Habitat in insula Porto rico (Lam.); Ile de Bourbon? (H. tortula 
Fbr.) 
500. H. mexicana Roch. 
T. obtecte perforata, conico-globosa, tenuis, cornea, oblique 
regulariter striata; spira conica; anfr. 5 planiusculi, ultimus obr 
solete angulatus; apertura transverse lunato-ovalis; perist. sim- 
plex, vix expansum, maigine columellari reflexo, carneo. — 
Diam. maj. 10, min. 8 '/ 2 ,..^jt. (^oll. Kqqh.) ^ . 
Helix mexicana Koch in PW. Icoik>T. f*.- "n 
— — Pfr. Symb. U. p. 33. 
— — Chemn. ed. II. Helix N. 591. t. 93. f. 1.2. 
Habitat in republica mexicana. 
I. 
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