162 



NucuLA (Acila) truncata, Gabb. 



Nucula truncata, Gabb. —Pal. Cal., Vol. I., p. 198, pi, 26, fig. 184. 



Nueula [Acila) truncaln^ Gabb, — Idem, Vol. II., pp. 197 and 250. 



North-west side of Hornby Island, in Division D; {labriola Island and 

 S.W. side of Denman Island, in Division B ; Xanairao Eiver, V. I., two 

 miles and a quarter up, and Protection Island, in Division A; J. Rich- 

 ardson, 1871-75. 



(Nucula Traskana, Meek. 



Niinda Traskana, Meek.— Trans. Alb. Inst., 1857, Vol. V., p. 39. 



Nucula Traskana, Meek. — Bui. Geol. and Geogr. Siirv. of Terr., Vol. II., No. 4, p. 356. 



Nanaimo or Comox, V.I. Meek. " A species which," Mr. Meek says, 

 " will probably be recognized by its ventricose, ti'igoual-ovate form, and 

 nearly central beaks. " No shell cori'esponding- to the descriptions of 

 N. Traskana has been detected in any of Mr. Eichai-dson's collections.) 



Yoldia Striatula, Forbes. (Sp.) 



Plate 18, Figure 9. 



Ltda striatula, Forbes. — Trans. Geol. Soe. Lond , Series 2, Vol. VII., p. 148, pi. 17 



fig. 14. 

 Yoldia striatula, Stoliczka. — Cvet. Pelecyp. S. India, p. 323, pi. 4, fig. 2, and pi. 17, fig. 6. 



North-west side of Hornby Island, in Division D. ; South-west side of 

 Denman Island, in Division B. ; Sucia Islands, in Division A.; J. 

 Richardson, 1871-75. 



Besides the concentric striso of grow th, the surface of the valves of 

 this little shell is marked with minute, sub-oblique. imj)ressed lines, 

 which are not visible to the naked eye. These latter were carefully 

 described and figured by Forbes, but Stoliczka did not seem to be aware 

 of their existence, or at any rate makes no mention of them. 



AxiNiEA Ve.ITCHII, (tABB. 

 Axinma Veatchii, Oabb. Pal. Cal., Vol. I., p. 197, pi. 25, figs. 183 and 183a. 



North-west side of Hornby Island, in Division D. ; Blunden Point 

 (large and common), North-West Baj^ (also numerous and large), and 

 entrance to Departiu-e Bay, V. I. ; also at the Sucia Islands (where it is 

 plentiful but usually small), in Division A.; J. Richaidson, 1871-75. 



