2. Endocrines and Populations 347 



Paschkis, K. E., Cantarow, A., Eberhard, T., and Doyle, D. (1950). Thyroid funftion in 



the alarm reaction. Froc. Soc. Exptl. Biol. Med. 73, 116-118. 

 Pauly, J. E. (1957). Morphological observations on the adrenal cortex of the laboratory 



rat. Endocrinology 60, 247-264. 

 Peron, F. G., and Dorfman, R. I. (1958). Quantitative analysis of steroids isolated from 



the urine of normal and ACTH treated guinea pigs. Endocrinology 62, 1-8. 

 Perry, W. F. (1951). The action of cortisone and ACTH on thryoid function. Endo- 

 crinology 49, 284-288. 

 Pitelka, F. A. (1957a). Some aspects of population structure in the short-term cycle of the 



brown lemming in Northern Alaska. Cold Spring Harbor Symposia Quant. Biol. 



22, 237-251. 

 Pitelka. F. A. (1957b). Some characteristics of microtine cycles in the arctic. Biol. 



Colloq. Proc. 18th Colloq. 73-88. 

 Poindexter, H. A. (1949). Experimental animal colony in tropical West Africa. Public 



Health Repts. {U. S.) 64, 57-62. 

 Pollard. M., and Wilson, B. R. (1955). The prolongation of murine typus rickettsemia by 



cortisone. Texas Repts. Biol, and Med. 13, 126-128. 

 Poore, W., and Hollander, V. P. (1957). Plasma ketosteriod studies in normal mice. 



Endocrinology 61, 651-656. 

 Porter, J. C, and Jones, I. C. (1956). Effect of plasma from hypophyseal-portal vessel 



blood on adrenal ascorbic adid. Endocrinology 58, 62-67. 

 Porter, J. C, and Rumsfeld, H. W., Jr. (1956). Effects of lyophilized plasma and plasma 



fractions from h3-pophvseal-portal vessel blood on adrenal ascorbic acid. Endo- 

 crinology 58, 359-364. 

 Preble, E. A. (1908). A biological investigation of the Athabaska-Mackenzie region. 



U. S. Dept. Agr. N. Am. Fauna No. 27. 

 Puntriano, G., and Meites, J. (1951). The effects of continuous light or darkness on 



th^-roid function in mice. Endocrinology 48, 217-224. 

 Ramey, E. R., and Goldstein, M. S. (1957). The adrenal cortex and the sympathetic 



nervous system. Physiol. Revs. 37, 155-195. 

 Randall, H. T. (1952). The shifts of fluid and electrolytes in shock. Ann. N. Y.Acad. 



Sci. 55, 412-428. 

 Ratcliffe, H. L., and Cronin, M. T. I. (1958). Changing frequency of arteriosclerosis in 



mammals and birds at the Philadelphia Zoological Gardens. Circtilation 18, 41-52. 

 Rausch, R. (1950). Observations on a cyclic decline of lemmings {Lemmus) on the arctic 



coast of Alaska during the spring of 1949. Arctic 3, 166-177. 

 Rawson, R. W., Rail, J. E., and Sonenberg, M. (1955). The chemistry and physiology of 



the thyroid. In "The Hormones" (G. Pincus and K. V. Thimann, eds), Vol. Ill, 



pp. 433-519. Academic Press, New York. 

 Reichlin, S. (1957a). The effect of dehydration, starvation, and pitressin injections on 



thyroid activity in the rat. Endocrinology 60, 470-487. 

 Reichlin, S. (1957b). The effect of hypothalamic lesions upon the thyroid response to 



partial thyroidectomy. Endocrinology 60, 567-569. 

 Reif, A. E., and Longwell, B. B. (1958). Extraction of corticosteroids from adrenal vein 



blood of rats and rabbits. Endocrinology 62, 573-586. 

 Renuels, E. G., and Drager, G. A. (1955). The relationship of pituicytes to neurosecretion. 



Anat. Record 122, 193-203. 

 Rennels, E. G., Hess, M., and Finerty, J. C. (1953). Response of preputial and adrenal 



glands of the rat to sex hormones. Proc. Soc. Exptl. Biol. Med. 82, 304-309. 

 Retzlaff, E. G. (1938). Studies in population physiology with the albino mouse. Biol. 



Generalis 14, 238-265. 



