-32- 



Schmid, W.D. 1962. Some aspects of the water economies of nine species of 

 anuran amphibians. Ph.D. Dissertation. Univ. Minnesota. 60 p. 



Schnid, W.D. 1965. Some aspects of water economies in nine species of amphibians. 

 Ecology 46:261-269. 



Schmid, W.D. 1968. Natural variations in nitrogen excretion of amphibians from 

 different habitats. Ecology 49:180-185. 



Schmid, W.D. 1969. Physiological specializations of amphibians to habitats of 



varying aridity, p. 135-142 In Hoff, C. Clayton and Marvin J. Riedesel, 

 (eds. ) Physiological systems in semiarid environments. Univ. New Mexico 

 Press. 293 p. 



Schmidt-Nielson, B. and R.P. Forster. 1954. The effect of dehydration and low 



temperature on renal function in the bullfrog. J. Cell Comp. Physiol. 44: 

 233-246. 



Steggerda, F.R. 1937. Comparative study of water metabolism in amphibians 

 injected with pituitrin. Proc. Soc. Exp. Biol. Med. 36:103-106. 



Thorson, T.B. 1955 (see X. Ecology). 



Thorson, T.B. 1956. Adjustment of water loss in response to desiccation in 

 amphibians. Copeia 1956 (4) :230-237. 



Venoms/Toxins 



Daly, John W. and Bernard Witkop. 1971. Chemistry and pharmacology of frog venoms, 

 p. 497-579. l£ Bucherl, W. , E. Buckley and V. Deulofeu, eds. Venomous 

 animals and their venoms. Vol. 2. Academic Press, New York. 



Parasites and Disease 



Ameel, D.J. 1938. The morphology and life cycle of Euryhelmes monochis n. sp. 

 (Trematoda) . J. Parasit. 24:219-224. 



Bollinger, R.R. , J.R. Seed and A. A. Gam. 1968. Studies on frog trypanosomiasis 2. 

 Seasonal variations on the parasitemia levels of Trypanosoma rotatorium in 

 Rana clamitans from Louisiana. Tulane Stud. Zool. 15:64-69. 



Botzler, R.G., T.F. Wetzler and A.B. Cowan. 1968. Yersinia enterocolitic a and 



Yersinia.- like organisms isolated from frogs and snails. Bull. Wildl. Dis. 

 Amer. 4:110-115. 



Causey, O.R. 1939. The development of frog filaria larva, Foleyella ranae , in 

 Aedes and Culex mosquitoes. Am. J. Hyg. Soct. D. 29 (3) :131-132. 



Ewing, H.E. 1932. A catalogue of the Trombiculinae, or cbigger mites, of the 



New World, with new genera and species and a key to the new genera. Proc. 

 U.S. Nat. Mus. 80:1-19. 



