GEOLOGY DESCRIPTION OF FOSSILS. 73 



and striate, and having fine, undulated, transverse lines ; mouth small, oblique ; upper part of 

 the tube oblique, deeply indented or Balaniform, and coarsely striated longitudinally. Length 

 8 inches, 



Locality. Monterey county, California. A. S. Taylor. Growing in clusters like Balani. 

 No sutures, indicating separate valves ; cells very thin plates, convex surface downwards. 



PANDORA, Lam. 



Pandora bilirata, PL V., fig. 25, Conrad. Proceed. Acad. Nat. Sciences for 1855, vol. vii, 

 p. 267. 



Locality, Santa Barbara, Cal. 



CARDITA, Brug. 



Cardita occidentalis, PL V., fig. 24, Ib. 

 Locality. Santa Barbara. 



DIADORA, 



Diadora crucibuliformis, PL V., fig. 23, Ib. 

 Locality. Santa Barbara, Cal. 



10 Y 



