TYPE FirECIMENS OF INVERTEBRATE FOSSILS. 489 



3644. Pecten leniusculus Dana. Cotypes. 



Carboniferous. District of lllawarra, New South Wales, 

 Australia. 



Dana, Wilkes U. S. Expl. Ivxped., X, 1849, p. 704, Atlas, pi. 9, 

 figs. 6a, 6b. 



1 1 1606. Pecten madisonius Say. IMesiotype. 



Miocene. Shiloh, New Jersey. 



Whitfield, Mon. XXIV, I'. S. Cieol. vSurv., 1S94, p. 3.,, pi. 4, 

 fi^s. 1-5. 



135838. Pecten madisonius sayanus Dall. Holotype. 



Oligocene. vSanta Ro.sa Count\', Florida. 



Dall, Trans. Wagner I-"ree Inst. Sci. Pliila., Ill, Pt. IV, 1898, 

 p. 725, pi. 26, fig. 6. 



13311. Pecten magnolia Conrad. Cotj'pe. 



Miocene. Santa Inez Mountains, vSanta Barbara County, 

 California. 



Conrad, Kept. Expl. and Surv. R. R. Miss. Riv. to Pacific Ocean, 

 VII, 1857, p. 191. — Dall, Trans. Wagner Free Inst. Sci. Phila., 

 Ill, Pt. IV, 1898, p. 702. 



= Pecten ( Lyropecten ) magnolia. 



13333. Pecten meekii Conrad. Cotypes. 



Miocene. San Raphael Hills, vSanta Barbara County, 

 California. 



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

 VII, 1857, p. 190, pi. I, fig. 1. — Dall, Trans. Wagner Free In.st. 

 Sci. Phila., Ill, Pt. IV, 1898, p. 699. 



= Pecten ( Patinopecten ) nieeki. 



4758. Pecten mitis Dana. Holotype. 



Carboniferous. Glendon on the Hunter, New vSouth 

 Wales, Australia. 



Dana, Wilkes U. vS. Expl. P^xpcd., X, 1849, p. 705, Atlas, pi. 9, 

 figs. 8a, 8b. 



358. Pecten nebrascensis Meek and Hayden. Cotypes. 



Montana (Cret.). Yellow.stone River, near Miles City, 

 Montana. 

 Meek and Hayden, Proc. Acad. Xat. Sci. Phila., VIII, 1856, p. 87. 

 = Chlaniys nebrascensis. 



162324. Pecten ( Plagioctenium ) newsomi Arnold. Holotype. 



Pleistocene. Los Cerritos, California. 



Arnold, Mem. Calif. Acad. vSci., Ill, 1903, p. i 13, ])1. 1 i, figs, i, la. 



137887. Pecten ( Amusium) ocalanus Dall. Holotype. 



Oligocene. Levy County, Florida. 



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

 p. 756, pi. 29, fig. 2. 



