TYPE SPECIMENS OF USTVERTEBRATE FOSSILS. 487 



8398. Pecten deserti Conrad. Holotyix-. 



Tertiary. Carrijo Creek, Colorado Desert, California. 



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

 V, I1S56, p. 32=5, pi. 5, fig. 41. — Dall, Trans. Wajjner Free Inst. 

 vSci. Phila., Ill, I't. IV, 1898, p. 703. 



= Pecten (Plagiocteninni ) deserti. 



13335. Pecten discus Conrad. Holotype. 



Miocene. Between La Pnrissinia and .Santa Inez, Cali- 

 fornia. 



Conrad, Rc])t. I^x])!. and Snrv. R. R. Miss. RivtT to I'acific Ocean, 

 \'II, 1S57, ]). 1 (,)(), ]il. 3, fii;-. I. 



= Pecten (Chlann-s?) discns. 



30215. Pecten duplicicosta Roenier? Plesioty]>e. 



Btula (Lower Cret. ). Near Atistin, Texas. 



vSliattuck, Rnll. No. 205, U. S. CtcoI. vSnrv., 190^, j). 16, pi. 5, 



145432. Pecten eboreus darlingtonensis Dall. Cotypes. 



Miocene. Darlington, vSotitli Carolina. 



Dall, Trans. Waj^nu-r Free Inst. Sci. Phila., Ill, Pt. IV, 1898, 

 p. 750. 



107755. Pecten eboreus senescens Dall. Holotype. 



Pliocene. Waccaniaw River, Sotitli Carolina. 



Dall, Trans. Wagner Free In.st. Sci. Phila., Ill, Pt. IV, [898, p. 751, 

 ])1. 29, fig. 5. 



2495. Pecten edgecombensis Conrad. Holotype. 



Miocene. Ldgewood Cotnity, North Carolina. 



Conrad, Proc. Acad. Nat. vSci. Phila., 1S62, pp. 291, 581. — Dall, 

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



= Pecten jeffer.soniiis edi^ecombensis. 



115533- Pecten (Pecten) eugrammatus Dall. Holot3pe. 



Oligocene. Haiti, West Indies. 



Dall, Trans. Wagner Free Inst. vSci. 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. Mns., I, 1878, p. 14; Trans. Wagner Free 

 Inst. vSci. Phila., Ill, Pt. IV, 1898, p. 706, pi. 26, fig. i. 



221. Pecten extenuatus Meek and Hayden. Cotypes. 



Jurassic. Southwest ba.se of Black Hills, South Dakota. 

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

 — Cani])tonectes extenuatus. 



137832. Pecten ( Pseudamusium) frontalis Dall. Cotypes. 



Eocene. Garlands Creek, Clark Count>;, Mi.s.si.s.sippi. 



Dall, Trans. Wagner Free Inst. Sci. Phila., Ill, Pt. IV, 189S, p. 753. 



