Fauna of the Buda Limestone. 23 



ACTEONIDAE. 



Genus CYLINDRITES Lycett. 



CYLINDRITES WHITEI n. sp. 



PL X, fig. 8. 



Dimension*. Height, -i.Tmni. ; breadth, 2.5mm. 



Description. Shell small ; surface marked by prominent lines 

 of growth; whorls four; spire depressed, canaliculate; aperture 

 narrow, extending posteriorly to the end of the body whorl, an- 

 teriorly extended below the body whorl and narrowly rounded ; 

 eolumella with one fold. 



There is, in this collection, only one specimen of this sepcies, 

 but it is quite unlike any other that has come to my notice. 



Locality. Shoal Creek, Austin, Texas. 



RINGICULIDAE. 



Genus CINULIA Gray. 



ClNULIA CONRADI n. Sp. 



PL X, figs. 5, 6, 7. 



Dimensions. Height, 9mm.; greatest breadth, 7mm. 



Description. -Shell small, imperforate, subglobose ; whorls 

 three, s:pire short, about one-eighth of the height of the shell; 

 aperture elongate, acute posteriorly, rounded anteriorly; outer 

 lip thickened, smooth, reflected; inner lip callous, with three 

 plaits, two of which are well up on the shell; surface of body 

 whorl ornamented with fourteen rather broad, spiral costella, 

 separated by narrow grooves developed by a series of spirally 

 arranged puncta. The lip is somewhat broken in the specimen 

 studied, but it appears to have been ornamented with two or 

 more vertical lines. 



Locality. Shoal Creek, Austin, Texas. 



CINULIA PELLETI n. sp. 

 PL X, figs. 9, 10, 11. 



Dimensions. Height, I'Smm. ; maximum breadth, 13mm. 

 Description. Shell small, solid, subglobose; whorls about 

 three, rounded ; spire about one-sixth of the height of the shell : 



