130 G. R. Wieland— On Marine Turtles. 



6.: — 1896. Wieland, G. E. — Archelon ischyros : a new gigantic Cryptodire 



Testudinate from the Fort Pierre Cretaceous of South Dakota. This 



Journal, vol. ii, p. 399, pi. vi. 

 7.— 1897. Case, E. C. — On the osteology and relationship of Protostega. 



Jour. Morph,, vol. xiv, pp. 21-60, pis. 4-6. 

 8.— 1898. Wieland, G. E.~ The Protostegan Plastron. This Journal, vol. 



v, p. 15, pi. ii. 

 9. — 1898. Capellini, G. — Le Piastre Marginale della Protosphargis Veron- 



ensis. E. Accad. de Scienze dell. '1st. di Bologna. 

 10. — 1898. Hay, O. P. — On Protostega, the systematic position of Dermo- 



chelys, and the morphogeny of the Chelonian carapace and plastron. 



Am. Nat., vol. xxxiii, pp. 929-948. 

 11.— 1900. Wieland, G. E.— The Skull, Pelvis, and probable relationships 



of the Huge Turtles of the Genus Archelon from the Fort Pierre Cre- 

 taceous. This Journal, vol. ix, p. 237, pi. ii. 

 12. — 1902. Wieland, G. E. — Notes on the Cretaceous Turtles, Toxochelys 



and Archelon, with a Classification of the Marine Testudinata. This 



Journal, vol. xiv, p. 95. 

 13. — 1902. Hay, O. P. — Bibliography and Catalogue of the Fossil Vertebrata 



of North America. Bull. U. S. Geo. Surv., No. 179, p. 439. 

 14.— 1903. Wieland, G. E.— Notes on the Marine Turtle Archelon. I. On 



the Structure of the Carapace. II. Associated Fossils. This Journal, 



vol. xv, p. 211. 

 15. — 1906. Wieland, G. E. — Plastron of the Protosteginae. Ann. Carnegie 



Mus., vol. iv, pp. 8-14, pis. i. ii. 

 16. — 1906. Wieland, G. E. — The Osteology of Protostega. Mem. Carnegie 



Mus., vol. ii, pp. 279-298, pis. xxxi-xxxiii. 

 17.— 1908. Hay, O. P.— The Fossil Turtles of North America. Carnegie 



Inst. Washington, Pub. No. 75, pp. 189-208. 



