307. ----. 1870. On the occurrence of Loxomma allmanni in the Northumberland Coal Field. Ann. and Mag. Nat. Hist., ser. 4, V, 374-379. 308. ----. 1870. Description of a Labyrinthodont Amphibian; a new generic form obtained in the Coal Shales at Newsham. Ann. and Mag. Nat. Hist., ser. IV, VI, 56-65, pl. i. (Batrachiderpeton lineatum.) 309. ----. 1871. Description of a considerable portion of a mandibular ramus of Anthracosaurus russelli, with notes on Loxomma and Archichthys. Ann. and Mag. Nat. Hist., 4th ser., VII, 73, pl. vi. 310. ----. 1871. Batrachiderpeton. Nat. Hist. Trans. Northumberland and Durham, IV, 208. 311. Hancock and Howse. 1870. On a new Labyrinthodont Amphibian from the magnesium limestone of Midderidge, Durham. Quart. Jour. Geol. Soc., XXVI, 556-564, pl. 38. Permian of England, Lepidotosaurus duffii, a Labyrinthodont of some 3 to 4 feet in length. 312. Haeckel, Ernst. 1895. Systematische Phylogenie der Wirbelthiere (Vertebrata). Amphibia, 266-283. Also History of Creation, Trans., 5th ed., 1909, n, 295-300. 313. Hatch and Corstorphine. 1905. The geology of South Africa. The Karoo System, 194. 314. Hatcher, J. B. 1905. The vertebrate fauna of the Judith River Beds. Bull. U. S. Geol.. Surv., No. 257, 67-103. (Scapherpeton and Hemitrypus.) 315. Hay, O. P. 1890. The skeletal anatomy of Amphiuma during its early stages. Jour. Morphol., IV, 11-34, with pls. 316. ----. 1900. Description of some vertebrates of Carboniferous Age. Proc. Amer. Phil. Soc., XXXIX, No. 161, 96-123. (Amphibamus grandiceps.) 317. ----. 1902. Catalogue and bibliography of fossil Vertebrata of North America. Bull. U. S. Geol. Surv., No. 179, Batrachia, 409-425. 318. Hickling, G. 1909. British Permian footprints. Mem. and Proc. Manchester Lit. and Phil. Soc., 53, 30, pl. 3. 319. Hilton, Wm. A. 1902. A structural feature connected with the mating of Diemyctylus viridescens. Amer. Nat., XXXVI, 643. 320. Hoepen, E. C. N. van. 1915. Stegocephalia of Senekal. Ann. of the Transvaal Mus., V, No. 2, 125-149, pls. xvi-xxiv. 321. Hoernes, Rud. 1884. Elemente der Paleontologie, 445-453. Leipzig. 322. Hoffman, A. H. 1873-78. Amphibien. Bd. VI, 2d Abth., Bronn's Classen und Ordnungen des Thierreiches. 323. Huene, Friedrich von. 1902. Uebersicht ueber die Reptilien der Trias. Geol. u. Paleon. Abhandl., N. P., VI, H. 1, 20, 21, 81. 324. ----. 1910. Neubeschreibung des Permischen Stegocephalen-Dasyceps bucklandi aus Kenilworth. Geol. u. Paleon. Abhandl. herausgegeben v. E. Koken, N. P., VIII, H. 6, 33-46, fig. pl. i, ii. 325. ----. 1912. Beiträge zur Kenntniss des Schädels von Eryops. Anat. Anz., Bd. 41, pp. 98-104, figs. 326. ----. 1913. Ueber Lysorophus aus dem Perm von Texas. Anat. Anz., Bd. 43, 389-396.