OLEACTNA. 37 



O. CORONATA, Pfeiffer. PL 6, fig. 87. 



Rather thin, subdiaphanous, closely longitudinally plicate, 

 irregularly decussated by distant impressed spiral lines, which 

 become obsolete below the middle of the body-whorl, reddish, 

 with chestnut maculations becoming lighter below; whorls 7, 

 suture coronated with distant teeth. Length, 88 mill. 



Mexico. 

 O. GUTTATA, Crosse and Fischer. PI. 7, fig. 92. 



Rather thin, subdiaphanous, somewhat shining; longitudinally 

 plicate-striate, granularly decussated by distant spiral impressed 

 lines, evanescent below the middle of the last whorl ; reddish 

 brown, with irregular chestnut strigations and yellowish white 

 maculations ; whorls 7, suture unequally, subdistantly dentate- 

 coronate; aperture somewhat pearly, shining, light reddish 

 brown. Length, 69 mill. 



Puebla, Mexico. 

 0. LIEBMANNI, Pfeiffer. PL 7, fig. 91. 



Solid, longitudinally plicate, closely obsoletely decussated by 

 spiral lines in the interstices ; whitish ; whorls 8, suture 

 elegantly crenulated. Length, 67 mill. 



Mexico. 



0. striata, Reeve, is a synonym. 



O. PLICATULA, Pfeiffer. PL 7, fig. 96. 



Thin, diaphanous, slightly shining, closely longitudinally 

 plicately striate, obsoletely decussated by spiral lines ; brownish 

 red; whorls 7, suture margined, minutely crenulated. 



Length, 60 mill. 



Andes, New Granada. 



Var. CINNAMOMEO-FUSCA. With obsolete lighter maculations. 



Venezuela. 



Yar. PINICOLA. Rather smaller, thin, moderately shining, 

 obsoletely rudely plicate, rather distantly decussated by spiral 

 striae ; orange-red, with very few white varices ; suture irregu- 

 larly dentate-crenate. Length, 50 mill. Guatemala. 



0. FULMINEA, Ferussac. PL 7, fig. 90. 



Finely decussated, alternately maculated and strigated with 

 reddish violet and white ; whorls 8-9, suture waved. 



Length, 64 mill. Habitat, unknown. 



A remarkable species, the type of which was in the Delessert 

 Collection. 



