17 • 



236. Nelson, Craig E. 1966. Systematics and distribution of 



snakes of the Central American genus Hydromorphus 

 (Colubridae) . 18: 365-371. 

 Nieuwendaal, Henry, see Judd, Frank W. and Donald L. 

 Hockaday, 1991, 



237. Oldham, R. S. 1976. Chorus maintenance in breeding 



populations of the Rana pipiens complex. 27: 323-325. 



238. Olson, R. Earl. 1967a. Peripheral range extensions and 



some new records of Texas amphibians and reptiles. 19: 

 99-106. 



239. . 1967b. Errata "Peripheral range extensions and 



some new records of Texas amphibians and reptiles". 19: 

 329. 



240. . 1975. Ficimia streckeri in south Texas. 26: 614- 



615. 



241. . 1976. Weight regimes in the tortoise Gopherus 



berlandieri. 27: 321-323. 



242. . 1977. Evidence for the species status of Baird's 



ratsnake. 29: 79-84. 



243. Osten, L. W. 1977. A protostegid (sea turtle) from the 



Taylor Formation of Texas. 29: 289-292. 



244. Parker, Nancy R. 1964. The determination of the urodele 



forelimb: Abs, 16: 490. 



245. Parmley, Dennis. 1982. Food items of roadrunners from 



Palo Alto County, north central Texas. 34: 94-95. 



246. . 1986. An annotated key to isolated trunk vertebrae 



of Elaphe (Colubridae) species occurring in Texas. 38: 

 41-44. 



247. . 1987. Lampropeltis similis from the Coffee Ranch 



Local Fauna (Hemphillian Land Mammal Age) of Texas. 39: 

 123-128. 



248. . 1988. Late Pleistocene anurans from Fowlkes Cave, 



Culberson County, Texas. 40: 357-358. 



249. . 1989. A plethodontid vertebra from the Mid- 



Hemphillian of Texas. 41: 434-435. 



250. . 1990. A late Holocene herpetofauna from Montague 



County, Texas. 42: 412-415. 



251. . 1992. Turtles from the Late Hemphillian (Latest 



Miocene) of Knox County, Nebraska. 44: 339-348. 



Parmley, Dennis, see Kasper, Stephen, 1990. 



252. Paulissen, Mark A., James E. Cordes and James M. Walker. 



1989. Notes on the thermal biology of the Laredo 

 whiptail, Cnemidophorus " laredoensis" (Teiidae). 41: 

 224-228. 

 Paulissen, Mark A., see Walker, James M. , James E. Cordes, 

 Ramadan M. Abuhteba, 1990. 



253. Pettus, David. 1955. Notes on the breeding behavior of 



the common treefrog {Hyla versicolor) . 7: 345-346. 

 Pettus, David, see Blair, W. Frank, 1954. 



254. Pierce, Jack R. 1975. Genetic compatibility of Hyla 



arenicolor with other species in the family Hylidae. 26: 

 431-441. 

 Pierce, Jack R. , see Brown, Lauren E., 1965. 



