350 PROCKEDINGS OF THE MALACOLOGICAL SOCIETY. 



38. Ampullaeia gigas, Spix. 



Test. Fluv. Brasil., 1827, p. 1, pi. i, fig. 1 ; Eeeve, Concli. Icon., sp. 3. 

 A. gigantea, Tristram : Proc. Zool. Soc, 1863, p. 414. 

 A. canaliculata, Delessert {non Lamarck), Recueil Coq., pi. xxxi, 

 figs. ^\a-h. 

 Hah. — Brazil. 



39, AirpaLLAKiA glatjca, Linn. 



Helix glauca, Linn.: Mus. Ulric, 1764, p. 667. 



A. glauca, Linn. : Philippi, Conch. Cab., pi. xii, fig. 4 : Reeve, Conch. 



Icon., sp. 85. 

 Helix oculus-communis, Gmelin. 

 Hab. — Demerara, Trinidad, etc. 



This is an extremelj^ variable species, to many forms of which 

 specific names have been attached. Tlie following I regard as 

 varieties. 



Var. EFFUSA, ^Miiller. 



Nerita effma, M filler. 



Bulimus effusus, Bruguiere. 



A. effusa, Swainson. 



A. crocodoma, Phil. : Conch. Cab., pi. xii, fig. 3. 



Var. Geveanensis, Deshayes. 



A. Oeveanensis, Desli. : Lamarck's Hist. Nat. Anim, sans Vert., 1838, 



vol. viii, p. 541. 

 A. Geveana, Phil. : Conch. Cab., pi. vii, fig. 7. 

 A. villata, Martens. 

 Hah. — Cayenne. 



Var. PEUNULUM, Reeve. 

 A. prunulum, Reeve: Conch. Icon., sp. 82. 

 Hah. — New Granada (Reeve). 



Var. LtTTEOSTOMA, Swainson. 



A. luteostoma, Swainson : Zool. lUust., vol. iii, pi. clvii. ^^ Reeve, 



Conch. Icon., sp. 84. 

 A. (labia, Guilding : Zool. Jouru., vol. iii, p. 359. 

 Hab. — Venezuela. 



Var. PACHYSTOMA, Philippi. 

 A. p achy stoma, Phil. : Conch. Cab., p. 44, pi. xii, fig. 5. 



Var. BALTEATA, PhilijDpi. 



A. halteata, Phil. : Conch. Cab., p. 21, pi. v, fig. 7. 



A. Guadeloupensis, Martens: Mai. Blatt., 1857, vol. iv, p. 199. 



Var. CuBENsrs, Reeve. 

 A. Cubensis, Reeve : Conch. Icon., sp. 83. 

 Hab. — Cuba. 



