26 OLEACTNA. 



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



N. America. 



0. MINUTISSIMA, Guppy. Trinidad, W. I. 



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



0. SICILIS, Morclet. Guajaibon, Cuba. 



Section VARICELLA, Pfeiffer. 



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



Olivaceous brown, shining, longitudinally striated, with 

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



margined. Length, 42 mill. 



Orizaba, Mexico. 

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



Thin, pellucid, regularly costate, strire 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. /9, lighter-colored, somewhat narrower, sculpture 

 distinct on the penultimate whorl, etc. 



0. 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. 



0. 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. 



