104 MOI.I.rSCA TERRESTRIA ET FLUVIATIUA 



Seclio linc iioniiiii' ilicla forsan i|iiiHl species (jiiae cum aliorum coUalae mi- 

 milao vidoiitur, includit; fiiiam(|iiain reverá teslae non sint iiimis parviilae. 



Specios sic (lenoiniiiata ol) anfraclum ultimiira turgidum, ijuoilammndo veri- 

 Irem referentem. 



Al) alTiiiiliiis sane dislincta. 



Ill Madria inveiiit primiis clariss. Rev.'' Loweiis. 



Gen. Achatina, Lamarck (Gland. Alb. — Coclil. Fèr.) 



Testa im[)erforata, ovalo-(il)li)ii!,'a s. aouiniiiata, idiis miniis fiisiformis, fjiiasi 

 bulimiforinis, laevis, nitens, pallide fiilvo-eornea; spira coiiica, raro turrila: su- 

 tura margiiiata, apice submainillaris, obtusa; aiitVaclus 6-8 planiusculi, ultimus 

 aiiipliiir, veriti-icosiis, spiram subaei|iiaiis; coliiiiiella contorta, arciiata, basi aiitire 

 aliriiptD-truiiiMta; apertura Imiyiludinalis, ovalis, integra, superne angularis, al- 

 lior (iiiáni lata. margine tenui nec luniido; peristoma simplex, aculum nec re- 

 flexuiu, niarginiinis dilTuso calio jiiiiclis.— Animal ut in Heliceis: lierbivorum, 

 saepe eainivorum. 



Habitat in Europa, Ameiit:a Australi, Asia. 



Species maximao in Africa. 



In insulis Maderensibus liyemc animal gregarium sub lapidibus, aestale in 

 exsiecatae terrae lissuris recondiUim. 



A liulimii dislinctum genus ob peristoma nunquam reflexum, columellam 

 nudam, laevcm, basi semper ti'uncalam. 



Seclio (iidsiolla (All)cr.s) 



Testa oblongo-aeuminala v. ovafo-oblonga; anfractus 6-7 lcntc accrescen- 

 tes, ultimus basi rotundatiis, ''-2 iongilutliniseirciler aeqiians; columella sublorta, 

 basi oiisolete trunfata; apertura acuto-ovalis, callo apcrturiali ad columellam des- 

 cendente; peristoma simplex, reclum, margine dextro saepe antrorsum arcuato. 



I. Atiiatina Maderoiisis? Lowe 



Testa cylindracco s. anguslato-oblonga, pellucida, nitens, graciliuscula. i)al- 

 lide córnea; s[)ira ad apicem usqiie sensim atlenuata; sutura impressa; anfra- 

 ctus O convexiusculi, ullimus antice vix latior; apertura ovalo-oblonga, teslae 

 latitudinem ae(|uans; columella distiiicte arcuata. basi emarginala, in labrum at- 

 tenuala; i)eristoma inlus calloso-limbalum. — Animal timidum, inquielum, cor- 

 pore plúmbeo, cylindraceo, su[)erioribus tentaculis brevibus, nigris, apice rotun- 

 (lato-bulbosis, infcrioribus brevissimis, pede albido-plumbeo, crassissirao, postice 



