ON MOLLUSCA OK THE WEST COAST OF NORTH AMKRICA. 



G83 



127. The following species (besides others dredged by Mr. A. Adams, but not 

 yet determined) have been found on both the Asiatic and American shores of 

 the N. Pacific, in addition to those recorded by Middendorff, i'. Brit. Assoc. 

 Report, p. :i:^3. 



Terebratella Coreanica. 

 Waldheimia Californica. 

 Waldheimia pulvinata. 

 Waldheimia (trayi. 

 Glyciniei'is genero*a. 

 Scliizoth-prus Nuttallii. 

 SoIpu sicavius. 

 Sanguinolaria Nuttallii. 

 Tellina Bodegensis. 



Cardium modestum. 

 Amtisium caurinum. 

 I'lac uiianomia macroschisma. 

 Crepidula grandis. 

 Driliia inermis. 

 Lunatia pallida. 

 Priene Oregonensis. 

 Cerostoraa foliatum. 



Siphonalia Kellettii. 



128. The Vancouver and Califomian districts have so many characteristic 

 species in common (111 out of 492), that they must be regarded as con- 

 stituting one fauna, differing as do the British and Mediterranean region^, 

 i'ull particulars as to the range of the different species may be expected ii 

 Dr. Couper's Report to the Califomian Geological Survey. One fact must, 

 liowever, be here specially noted, viz. the great peculiarity of the island-fauna. 

 Although the Sta. liarbara group are so near the mainland, the dredge lias 

 not only produced manv !;i)cuies not kuow'u on the continent, but also many 



169 



