26 OLE AGIN A. 



0. ANTONIANA, Pfr. (Achatina hyalina, Anton, not Rang). 



N. America. 



O. MINUTISSIMA, Guppy. Trinidad, W. I. 



O. CRENULATA (Sowb. ?), Anton. Central America. 



O. SICILIS, Morelet. Guajaibon, Cuba. 



Section VARICELLA, Pfeiffer. 

 O. ORIZABA, Pfeiffer. PI. 3, fig. 1. 



Olivaceous brown, shining, longitudinally striated, with 

 irregular, lighter-colored varices ; whorls 7J, suture slightly 

 margined. Length, 42 mill. 



Orizaba, Mexico. 

 0. MONILIFERA, Pfeiffer. PI. 3, fig. 2. 



Thin, pellucid, regularly costate, striae becoming evanescent 

 in the middle of the penultimate whorl ; rosy orange, with a 

 few chestnut, light-margined strigations ; whorls 7, suture 

 granulose. Length, 29 mill. 



Cobanand Vera Paz , Guatemala ; Cordova and Chiapa, Mexico. 



0. rubella, Morelet, is a synonym. Crosse and Fischer de- 

 scribe a Yar. /?, lighter-colored, somewhat narrower, sculpture 

 distinct on the penultimate whorl, etc. 



O. CORDOVANA, Pfr. PI. 3, fig. 4. 



Longitudinally plicate, shining, corneous, varices subflexuose, 

 light chestnut ; whorls 7-J, suture marginate, nodosely crenate. 



Length, 29 mill. 



Cordova, State of Vera Cruz, Mexico. 



O. LEUCOZONIAS, Walch. PI. 3, fig. 5. 



Longitudinally striate, shining, chestnut-color, with several 

 remote undulating irregular white strigations. Length, 46 mill. 



Martinique, West Indies. 

 This is Achatina albolineata, Lam. 



0. DOMINICENSIS, Gmelin. PI. 3, fig. 3. 



Thin, closely costulate-striate, shining, reddish rose-color, 

 with wide, distant, undulating chestnut strigations, whorls 7. 



Length, 34 mill. Haiti. 



The synonyms are Sulla turrita and B. maculata, Chemn., 

 Achatina fuscolineata, Lam., and Polyphemus Bruguiereus, 

 Bowd. 



