BRA. COC.] 



BATRACHIA. 



619 



ard.] Teeth fixed in shallow alveoli, 

 with crowns expanded transversely to 

 the jaw, swollen at the base, apex low 

 and divided vertically; the postero- 

 internal half in the maxillary series is 

 low and horizontal, the antero-external 

 portion forms a curved cusp ; in the 

 lower jaw the relative position of the 

 ledge and cusp is reversed. Type B. 

 striatus. 



FIG. 1179. Baphetes planiceps. 



rapidens, see Chilonyx rapidens. 

 striatus, Cope, 1878, Pal. Bull. No. 29, and 



Proc. Am. Phil. Soc., vol. 17, p. 507, 



Permian. 



vertebrae undivided ; carpus and tarsus 



FIG. 1180. Brachydectes newberryi. 



BRACHYDECTES, Cope, 1868, Proc. Acad. Nat. ' 

 Sci. Phil., p. 214. [Ety. brachys, short; 

 dekies, a biter.] Kami short, stout; 

 teeth subequal, elongate, cylindric cones 

 with acute tips turned posteriorly, 

 pulp-cavity large; skeleton unknown. 

 Type B. Newberryi. 



newberryi, Cope, 1868, Proc. Acad. Nat. j 

 Sci. Phil., p. 214, and Ohio Pal., vol. 2, j 

 p. 388, Coal Meas. 



FIG. 1181. Ceraterpeton teuuicorne. 



CERATERPETON, Huxley. [Ety. keras, horn ; 

 erpeton, reptile.] Teeth simple, equal 

 on outside of jaws ; angles of interca- 

 lary bones produced into horn-like 

 processes; cranial bones sculptured, 



lineopunctatum, Cope, 1875, Ohio Pal., 



vol. 2, p. 372, Coal Meas. 

 tenuicorne, Cope, 1875, Ohio Pal., vol. 2, 



p. 372, Coal Meas. 



CHIROTHERIUM, Kaup, 1835, in Leonhard 

 und Bronn Neues Jahrbuch fur Min- 

 eralogie. [Ety. cheir, the hand ; therion, 

 beast.] Represented by foot impres- 

 sions only. Toes robust, the internal 

 shorter and divergent from the others. 

 Sole (or palum) short, wide. Type C. 

 barthi. 



reiteri, Moore, 1873, Am. Jour. Sci. 

 and Arts, 3d ser., vol. 5, p. 292, Coal 

 Meas. 



CHILONYX, Cope, 1883, Proc. Am. Phil. Soc., 

 vol. 20, p. 631. [Ety. cheilos, lip ; onyx, 

 claw.] Long diameter of the crowns of 

 the teeth transverse to the jaw, and 

 each crown contracting to a slightly in- 

 curved apex; maxillary teeth short; 

 temporal fossae roofed; superior sur- 

 face of cranium divided in areas by 

 grooves. Type C. rapidens. 

 rapidens, Cope, 1878, (Bolosaurus rapi- 

 dens,) Proc. Am. Phil. Soc., vol. 17, p. 

 506, and vol. 20, p. 631, Permian. 

 CLEPSYDROPS, Cope, 1876, Proc. Acad. Nat. 

 Sci. Phil., p. 407. [Ety. klepsydra, an 

 hour-glass ; ops, appearance.] Intercen- 

 tra present ; neural spines only elongate 

 posteriorly ; premaxillary teeth not es- 

 pecially elongate; one or two long 

 maxillary teeth ; no grinding teeth. 

 Type C. colletti. 

 colletti, Cope, 1876, Proc. Acad. Nat. Sci. 



Phil., p. 407, Permian. 

 gigas, see Dimetrodon gigas. 

 leptocephalus, Cope, 1884, Pal. Bull. No. 



39, p. 30, Permian, 

 limbatus, Cope, 1877, Proc. Am. Phil. 



Soc., p. 196, Permian or Triassic. 

 macrospondylus, Cope, 1884, Pal. Bull. 



No. 39, p. 35, Permian, 

 natalis, Cope, 1878, Pal. Bull., No. 29, and 

 Proc. Am. Phil. Soc., vol. 17, p. 509, 

 Permian, 

 pedunculatus, Cope, 1877, Proc. Am. Phil. 



Soc., p. 63, Permian, 

 vinslovi, Cope, 1877, Proc. Am. Phil. Soc. 



p. 62, Permian. 



COCYTINUS, Cope, 1871, Proc. Am. 

 Phil. Soc., p. 177, and Ohio Pal., 

 vol. 2, p. 360. [Ety. mytholog- 

 ical name.] Vertebrae and ribs 

 osseous; teeth on the premax- 

 illary bone; none on the maxil- 

 lary; axial hyal with basihyal on 

 each side united with correspond- 

 ing ceratohyal at the end of 

 which is an element in position 

 of stylohyal ; haemal or basal 

 branchihyals three, the anterior two 

 each supporting one pleural branchi- 

 hyal and the third supporting one ; 

 haemal branchihyal on the inner side 

 of the ceratohyal, approaching the me- 



