962 ON A COAL-MEASURE STEGOCEPHALIAN. 



I wish to express my thanks to the Committee of the 

 Northumberland and Durham l^atural History Society and to 

 E. L. Gill, Esq., Curator of the Hancock Museum, for the 

 kindness with which they have allowed me to work on the 

 wonderful material in their Museum. 



Bibliography. 



Andrews, C. W. — Note on a Specimen of Kercderpeton gcdvani 



Huxley, from Staffordshire. Geol. Mag. new ser. Dec. iv. 



vol. ii. pp. 81-84. 1895. 

 Broili, F. v. — Ein Beitvag zur Kenntniss von Diplocauhts 



Cope. Centr. f. Min. Geol. u. Pal. 1902, pp. 536-541. 

 Case, E. C. — Revision of the Amphibia of the Permian of 



JSTorth America. Carnegie Institution, Washington, pub. 



no. 146, 1911. 

 J^KEL, O. — Ueber Ceraterpeton, Diceratosaurus u. Diplocaulus. 



Neues Jahrb. f. Min. Geol. u. Pal. 1903, Heft 1, pp. 109- 



134. 

 Huxley, T. H. — Description of the Vertebrate Remains from the 



Jarrow Collieiy. Proc. Roy. Irish Acad. vol. xxiv. p. 353. 



1867. 

 Traquair, R. H. — On the Structure of the lower jaw in Rhizo- 



dopsis aiid Rhizod-us. Ann. & Ma,g. Nat. Hist. ser. 4, 



vol. xix. pp. 299-306. 1877. 

 Watson, D. M. S. — The larger Coal-Measure Amjfhibia. 



Manch. Mem. vol. Ivii. pt. 1,'pp. 1-13, pi. & figs. 1912. 

 WiLLiSTON, S. W. — The Skull and Extremities of Diplocaidus. 



Trans. Kansas Acad. Sci. 1909, pp. 123, 131. 

 Woodward, A. S. — On a New Specimen of the Stegocephalian 



Cejxiterpeton galva7d. Geol. Mag. new ser. Dec. iv. vol. iv. 



p. 293. 1897. 

 Hancock, A., and Atthey, T.— Description of a Labyrinthodont 



Amphibian, a New Generic Form, obtained in the Coal 



Shale at Newsham, near Newcastle-upon-Tyne. Ann. & 



Mag-. Nat. Hist. ser. 4, vol. vi. pp. 56-65, pi. 1. 1870. 



EXPLANATION OF THE PLATES. 



Plate XCVL 



Fig. 1. Skull of Batracliiderpeton lineatum H. & A. Specimen I. (type-specimen), 

 X 1^. Dorsal aspect. 



2. Same specimen as fig. 1. Palatal aspect. 



3. Rami of the lower jaw of BatracMderpeton lineatum, X j. 



A. Specimen VI. Right ramus, outer aspect. 



B. Specimen III. Left ramus, inner aspect, showing verj' clearly the patch 

 ' of teeth on the coronoid. 



Plate XCVII. 



Fig. 4. Skull of BatracMderpeton lineatum H. & A. Specimen II., X 1. Dorsal 



aspect. 

 5, Same specimen as fig. 4. Palatal view 



