28 



Netting, M. G. 1938. The occurrence of the eastern tiger salamander, 



Ambystoma tiqrinum tiqrinum (Green) , in Pennsylvania and 



near-by states. Ann. Carnegie Mus. 27 (11) : 159-156 . 

 Netting, M. G. 1945. The correct names of some toads from the 



eastern United States. Copeia 1946 (2):107. 

 Netting, M. G., N. B. Green and N. D. Richmond. 1946. The occurrence 



of Wehrle's salamander, Plethodon wehrlei Fowler and Dunn, in 



Virginia. Proc. Biol. Soc . Washington 59:157-150. 

 Netting, M. G. and L. W. Wilson. 1940. Notes on amphibians from 



Rockingham County, Virginia. Ann. Carnegie Mus. 28(1) :l-8. 

 Nevo, E. 1973. Adaptive color polymorphism in cricket frogs. 



Evolution 27 (3) :353-367. 

 Nevo, E. 1973. Adaptive variation in size of cricket frogs. 



Ecology 54(6) :1271-1281. 

 Newman, W. B. 1954. A new plethodontid salamander from southwestern 



Virginia. Herpetologica 10(1):9-14. 

 Newman, W. B. 1954. Gyrinophilus porphyriticus duryi (Weller) in 



Virginia. Herpetologica 10(1) :44. 

 Newman, W. B. 1955. Desmoqnathus planiceps , a new salamander from 



Virginia. J. Washington Acad. Sci. 45(3):83-86. 

 Nickerson, M. A. and C. E. Mays. 1973. The Hellbenders: North 



American "Giant Salamanders". Milwaukee Pub. Mus., Publ . 



Biol. Geol. 1:1-105. 

 Noble, G. K. and M. K. Brady. 1933. Observations on the life 



history of the marbled salamander, Ambystoma opacum Gravenhorst. 



Zoologica, N. Y. 11 (8) : 89-132 . 

 Noble, G. K. and B. C. Marshall. 1932. The validity of Siren 



intermedia Leconte, with observations on its life history. 



Am. Mus. Nov. 532:1-17. 

 Norden, A. 1971. A corn snake, Elaphe guttata guttata , from western 



Maryland. Bull. Maryland Herpetol. Soc. 7(l):25-27. 



Obaugh, W. 1969. Blacksnake in slow motion. Virginia Wildlife 



30(7) :17. 

 Ogle, D. W. 1977. Distribution notes on the yonahlossee salamander 



in southwestern Virginia. Virginia Herpetol. Soc. Bull. 82:1-2. 

 Orgain, J. A. Jr. 1979. Glass lizard specimen from Alberta, Va . 



vicinity. Virginia Herpetol. Soc. Bull. 88:3. 

 Organ, J. A. 1958. Courtship and spermatophore of Plethodon 



iordani metcafi . Copeia 1958 (4):251-259. 

 Organ, J. A. 1960. Studies on the life history of the salamander, 



Plethodon welleri . Copeia 1960 (4):287-297. 

 Organ, J. A. 1951. Studies of the local distribution, life history, 



and population dynamics of the salamander genus Desmoqnathus 



in Virginia. Ecol. Monog. 31 (2) : 189-220 . 

 Organ, J. A. 1961. The eggs and young of the spring salamander, 



Pseudotriton porphyriticus . Herpetologica 17(l):53-56. 

 Organ, J. A. 1968. Courtship behavior and spermatophore of the 



cave salamander, Eurycea lucifuqa (Rafinesque) . Copeia 1968 



(3) :576-580. 

 Organ, J. A. and L. A. Lowenthal . 1963. Comparative studies of 



macroscopic and microscopic features of spermatophores of some 



plethodontid salamanders. Copeia 1963 (4):659-669. 

 Organ, J. A. and D. J. Organ. 1958. Courtship behavior of the red 



salamander, Pseudotriton ruber . Copiea 1968 (2):217-223. 



