488 BULLETIN 53> UNITED STATES NATIONAL MUSEUM. 



107790. Pecten (Chlamys) fucanas Dall. Holotype. 



Miocene. Fuca Strait, Clallam Bay, Washington. 



Dall, Trans. Wagner Free Inst. Sci. Phila., Ill, Pt. IV, 1898, 

 p. 704, pi. 26, fig. 7. 



1 541 86. Pecten gibbus amplicostatus Dall. Cotypes. 



Pliocene. Monroe County, Florida. 



Dall, Trans. Wagner Free Inst. Sci. Phila., Ill, Pt. IV, 1898, 



P- 747- 



135779. Pecten ( Pseudamusium ) guppyi Dall. Cotypes. 



Oligocene. Bowden, Jamaica. 



Dall, Trans. Wagner Free Inst. Sci. Phila., Ill, Pt. IV, 1898, 

 p. 718, pi. 34, figs. 12, 13; and p. 755. 



154485. Pecten (Chlamys) harrisii Dall. Holotype. 



Pliocene. Caloosahatchie River, near Fort Thompson, 

 Florida. 



Dall, Trans. Wagner Free Inst. Sci. Phila., Ill, Pt. IV, 1898, 

 p. 742, pi. 34, fig. 24. 



13317. Pecten heermanni Conrad. Holotype. 



Miocene. California. 



Conrad, Proc. Acad. Nat. Sci. Phila., VII, 1855, p. 267.— Dall, 

 Trans. Wagner Free Inst. Sci. Phila., Ill, Pt. IV, 1898, p. 701. 



= Pecten ( Lyropecten ) hermanni. 

 See Pallium estrellanum. 



7943. Pecten (Pecten) hemphillii Dall. Cotypes. 



Pliocene. San Diego, California. 



Dall, Proc. U. S. Nat. Mus.,I, 1878, p. 15; Trans. Wagner Free 

 Inst. Sci. Phila., Ill, Pt. IV, 1898, p. 706. 



3657. Pecten illawarrensis Morris. Plesiotype. 



Carboniferous. Harpers Hill on the Hunter, New South 

 Wales, Australia. 



Dana, Wilkes U. S. Expl. Exped., X, 1849, p. 705, Atlas, pi. 9, 

 fig. 9, 9a. 



107754. Pecten ( Chlamys ) indecisus Dall. Holotype. 



Oligocene. Caloosahatchie River, near Fort Thompson, 

 Florida. 



Dall, Trans. Wagner Free Inst. Sei. Phila., Ill, Pt. IV, 1898, 

 p. 744, pi. 34, fig. 3. 



162522. Pecten (Chlamys ) jordani Arnold. Holotype. 



Pliocene. Deadman Island, off San Pedro, California. 



Arnold. Mem. Calif. Acad. Sci., Ill, 1903, p. in, pi. 12, figs. 6, 7. 



162523. Pecten | Chlamys ) latiauritis fragilis Arnold. Holotype. 



Pleistocene. San Pedro, California. 



Arnold, Mem. Calif. Acad. Sci., Ill, 1903, p. 112, pi. 12, fig. 8. 



