OLEACTNA. 37 



O. CORONATA, Pfeiffer. PI. 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. 

 0. GUTTATA, Crosse and Fischer. PL 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. 



Pueblo, , Mexico. 

 O. LIEBMANNI, Pfeifler. PI. 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. 



0. PLICATULA, Pfeiffer. PI. 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. 



Yar. 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. 



O. 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. 



