MANUAL OF CONCHOLOGY. 



Genus ACHATINA Lamarck, 1799. 



Achatina LAM., Prodrome d'une nouvelle classification des 

 Coquilles, in Memoires de la Societe d' Histoire Naturelle 

 de Paris, an VII (1799), p. 75 (type and sole species Bulla 

 achatina L.) ; Syst. An. s. Vert., p. 90, same type. 



Ampulla BOLTEN (in part), Mus. Boltenianum, edit. I, p. 

 110 (1792) ; edit. II, p. 78 (1819). 



Chersina [HUMPHREY], in part, Museum Calonnianum, p. 

 62 (1797) . Contains Bulla virginea L. and Bulla achatina L. 



Achatium LINK (in part), Beschreib. Rostock Sammlung, 

 p. 137 (May 17, 1807). 



Achatinus MONTFORT, Conch. Syst., ii, p. 418-420. 



Cochlitoma FER. (in part), Tableau Systematique, p. 48. 



Archachatina ALBERS (in part), Die Hel., 1850, p. 189. 



Oncaea GISTEL, Handbuch der Naturgeschichte aller drei 

 Reiche, 1850, p. 550 (substitute for Aehatina). 



Parachatina BOURGUIGNAT, Moll, de 1'Afr. Equat., p. 73, 

 1889. Serp&a BGT V t. c., pp. 74, 85,Pintoa BGT V t. c., 

 p. 80. 



Urceus Klein, JOUSSEAUME, Bull. Soc. Zool. France, ix, 

 1884, p. 171 = Achatina Lam. 



Shell ovate or oblong with conic spire and small apex, 

 two or three earliest whorls smooth, forming a trochiform 

 nucleus, obtuse at the apex. Aperture ovate, the outer lip 

 unexpanded; columella concave or straight, truncate as 

 though cut off below. 



Soft anatomy (see Introduction to this volume). Repro- 

 duction oviparous, the eggs small, oval and pale yellow, 

 numerous. 



