106 OHIO STATE ACADEMY OF SCIENCE. 



Pleuroptyx clavatus Cope, Geol. Surv. Ohio, Vol. II, Paleont., p. 370. 

 Colosteus foveatus Cope, Tr. Am. Phil. Soc, 1869, p. 22. 



scuttelatus Newb., Proc. Ac. Nat. Sc. Phil., 1856, p. 98. 

 pauciradiatus Cope, Tr. Am. Phil. Soc, 1874. 

 Keraterpeton lineopunctatum Cope, Geol. Surv, O., Vol. II, Paleont,, p. 371. 

 lennicorne Cope, Geol. Surv. Ohio, Vol. II, Paleont., 372. 

 divaricatum Cope, Proc. Am. P. Soc, 1885. 

 Oestocephalus remex Cope, Proc. Ac. Nat. Sc. Phil., 1868, 218. 

 Tr. Am. Phil. Soc, 14 : 17. 

 reddens Cope, Tr. Am. Ph. Soc, 1874. 

 Ptyonius nummifer Cope, Geol. Surv. Ohio, Vol. II, Paleont., 374. 

 marchii Cope, Tr. Am. Phil. Soc, 14 : 24. 

 vinchellianus, Proc. Am. Phil. Soc, 1871, 177. 

 pectinatus Cope, Geol. Surv. Ohio, Vol. II, Paleont., 377. 

 serrula Cope, Proc. Am. Phil. Soc, 1871, 177. 

 Hyphasma laevis Cope, Proc. Ac. Nat. Sc. Ph., 175, 16. 

 Sauropleura digitata Cope, Proc. Ac. Nat. Sc, 186S, 216. 



newberryi Cope, Geol. Surv. Ohio, II, Paleont., 404. 

 latithorax Cope, Proc. Am. Ph. Soc, 35 183, No. 154. 

 5 Thyrsidium fasciculare Cope, Geol. Surv. Ohio, II, Paleont., 365. 



Family : Aistopoda Miall. 



6 Phlegethontia linearis Cope, Geol. Surv. O., II, Paleont. 



serpens Cope, Geol. Surv. O., II, Paleont., 367. 

 Molgophis macrurous Cope, Proc. Ac. Nat. Sc Ph., 1868, 220. 



brevicostatus Cope, Geol. Surv. Ohio, II, Paleont., 369. 



wheatleyi Cope, Geol. Surv. Ohio, II, Paleont., 368. 



Sub- Order : Lemnospondyli Zittel. 



Anisodexis enchodus Cope, Proc. Am. Ph. Soc, 1885. 

 Cercariomorphus parvisquamis Cope, Proc. Am. Ph. Soc, 1885. 



Order: PROTEIDA. 

 Family : Proteidae. 



Necturus maculatus Raf. Bod}' long, lizard-like ; external gills, large,, 

 bushy, brownish red in life ; limbs four, not strong ; toes 4-4. Body ash}', 

 blotched with brownish black. Tail long, compressed. A strong fold of 

 integument across throat. Length 2 feet or under. 



The Mud-puppy occurs in all parts of the State. It is fre- 

 quently taken on hooks while fishing and in nets in the bays and 

 lakes. It is sluggish, but on irritation will snap at an intruding 

 object, and when once it has set its jaws it is a difficult task to 



5. Cope ('75) places this genus in the Order Proteida. 



6. Zittel ('90) makes these genera synonyms of Dolichosoma Huxley. 



