TYPE SPECIMENS OF INVERTEBRATE FOSSILS. 487 



8398. Pecten deserti Conrad. Holotype. 



Tertiary. Carrijo Creek, Colorado Desert, California. 



Conrad, Rept. Expl. and Snrv. R. R. Miss. River to Pacific Ocean, 

 V, 1856, p. 325, pi. 5, fig. 41. — Dall, Trans. Wagner Free Inst. 

 Sci. Phila., Ill, Pt. IV, 1898, p. 703. 



= Pecten (Plagioctenium) deserti. 



13335. Pecten discus Conrad. Holotype. 



Miocene. Between La Purissima and Santa Inez, Cali- 

 fornia. 



Conrad, Rept. Expl. and Surv. R. R. Miss. River to Pacific Ocean, 

 VII, 1857, p. 190, pi. 3, fig. 1. ? 



= Pecten (Chlamys?) discus. 



30215. Pecten duplicicosta Roemer? Plesiotype. 



Buda (L/Ower Cret.). Near Austin, Texas. 



Shattuck, Bull. No. 205, U. S. Geol. Surv., 1903, p. 16, pi. 5, 

 fig- 5- 



145432. Pecten eboreus darlingtonensis Dall. Cotypes. 



Miocene. Darlington, South Carolina. 



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

 P- 75o. 



107755. Pecten eboreus senescens Dall. Holotype. 



Pliocene. Waccamaw River, South Carolina. 



Dall, Trans. Wagner Free Inst. Sci. Phila., Ill, Pt. IV, 1898, p. 751, 

 pi. 29, fig. 5. 



2495. Pecten edgecombensis Conrad. Holotype. 



Miocene. Edgewood County, North Carolina. 



Conrad, Proc. Acad. Nat. Sci. Phila., 1862, pp. 291, 581. — Dall, 

 Trans. Wagner Free Inst. Sci. Phila., Ill, Pt. IV, 1898, p. 722. 



= Pecten jeffersonius edgecombensis. 



1 15533. Pecten (Pecten) eugrammatus Dall. Holotype. 



Oligocene. Haiti, West Indies. 



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

 p. 712, pi. 34, fig. 22. 



* 

 7941. Pecten (Patinopecten) expansus Dall. Cotypes. 



148112. Pliocene. Near San Diego, California. 



Dall, Proc. U. S. Nat. Mus., I, 1878, p. 14; Trans. Wagner Free 

 Inst. Sci. Phila., Ill, Pt. IV, 1898, p. 706, pi. 26, fig. 1. 



221. Pecten extenuatus Meek and Hayden. Cotypes. 



Jurassic. Southwest base of Black Hills, South Dakota. 

 Meek and Hayden, Proc. Acad. Nat. Sci. Phila., for i860, p. 184. 

 = Camptonectes extenuatus. 



137832. Pecten ( Pseudamusium) frontalis Dall. Cotypes. 



Eocene. Garlands Creek, Clark County, Mississippi. 



Dall, Trans. Wagner Free Inst. Sci. Phila., Ill, Pt. IV, 1898, p. 753. 



