358 ACHATINTD^ 



1880. Achatina mamillata, sp. nov. : Craven, Proc. Zool. Soc. 



Lond., 1880, p. 215, pi. xxii, f. 8. 



1881. SubuUna mamillata, Craven : Crosse, Journ. de Concliyl., 



xxix, p. 201. 



1882. SubuUna trochlea, Pfr. : Strebel, Beitr. Mexikan. 



Conch., V, p. 115, pi. vii, f. 16, xvii, f. 32, 

 xviii, f. 1, 12-16 & 18-21. 



1883. Stenogyra octona, Chemnitz : Maze, Journ. de Conchyl., 



xxxi, p. 5. 



Found in the Royal Botanic Gardens, Kew, where it 

 was first seen in 1884 in the propagating pits. {Bull. 

 Miscell. Inform. R. Bot. Gardens, Keiv, Addit. Ser., 

 V, 1906, p. 12.) 



Genus : 2. LEPTINARIA, Beck. 



Etym. :— Gr. Xctttos, peeled, hence slender. 

 Type : — Achatina unilamellata (Fer. MS.) Beck. 



1837. Leptinaria, subg. 7 of Achatina : Beck, Index Moll., 



p. 79. 

 1850. Nothus: Albers, ZfeJ/ceew, p. 168. [iVo?i Olivier, 1811 



(Coleopt.), nee Billbcrg, 1820 (Lepid.).] 

 1882. Lamellaxis : Strebel, Beitr. Mexikan. Conch., \, p. 109. 



1. Leptinaria urichi (Smith). 



Etym. : — Named in honour of Mr. Urich, who collected in 

 Trinidad. 



1896. SubuUna (Nothus) Urichi : Smith, Journ. of Conch., 



viii, p. 235, pi. viii, f. 2. 

 1907. Leptinaria urichi, Smith : Pilsbry, Man. Conch., Ser. II, 



vol. xviii, p. 301, pi. xl, f. 13. 



Specimens were received by us in December, 1907, from 

 J. R. le B. Tomlin, who had them from the Royal 

 Botanic Gardens, Kew. They were exhibited by 

 Mr. Tomlin in 1915 {Journ. of Conch., xv, p. 21). 



Genus : 3. OPEAS, Albers. 



Etym. : — Gr. o:r£as, an awl. 

 Type : — Bulimus subula, Pfeiffer. 

 {Helix, Bulimus, vett. auctt.) 



1850. Opeas, subg. 38 of Bulimus : Albers, Heliceen, p. 175. 



