1922] Packard: Neiv Species from Santa Ana Mountains 433 



Family Bullariidae 

 Germs BULLARIA Rafinesque 

 BULLAEIA TUMIDA, n. sp. 

 Plate 37, figure 4 



Type specimen 12289, Coll. Invert. Palae., Univ. Calif., loe. 2157. 



Shell medium sized, rather tumid, whorls involved, the apex depressed; outer 

 lip expanded, rounded posteriorly, forming nearly a right angle with the straight 

 basal margin; aperture rounded anteriorly and but slightly posteriorly; inner 

 lip smooth except for a single umbilical flexure in front. Sculpture consists of 

 conspicuous growth lines that are more prominent on the anterior part of the 

 outer lip. Height of type, 16 mm.; diameter of body whorl, 11 mm. 



Horizon. — Chieo group, zonal position uncertain. 



