TECHNICAL NOTES AND BIBLIOGRAPHY 255 



brates, with the exception of the uric-acid-excreting rep- 

 tiles and birds, is urea, and that ammonia formation is 

 peripheral and probably facultative; and we conceive 

 that such was the case in the Crossopterygii and Paleo- 

 zoic Amphibia. 



VII. THE AMPHIBIA 



85. Dawson, A. B. Functional and degenerate or rudi- 

 mentary glomeruli in the kidney of two species of 

 Australian frog, Cyclorana (Chiroleptes) playtceph- 

 alus and alboguttatus (Giinther). Anatomical Rec- 

 ord, 109; 417. 1951. 



86. FoRSTER, R. P. The use of inulin and creatinine as 

 glomerular filtrate measuring substances in the frog. 

 Journal of Cellular and Comparative Physiology, la: 

 213. 1938. 



87. FoRSTER, R. p. The nature of the glucose reabsorp- 

 tive process in the frog renal tubule. Evidence for 

 intermittency of glomerular function in the intact 

 animal. Journal of Cellular and Comparative Physi- 

 ology, 20: 55. 1942. 



88. Gladstone, R. J., and E. P. G. Wakeley. The 

 Pineal Organ. WilHams & Wilkins Co., Baltimore, 

 1940. 



89. Grafflin, a. L., and E. H. Bagley. Glomerular 

 activity in the frog's kidney. Bulletin of the Johns 

 Hopkins Hospital, 91: 306. 1952. 



90. J0RGENSEN, C. B. PermcabiUty of the amphibian 

 skin. II. Effect of moulting of the skin of anurans 

 on the permeability to water and electrolytes. Acta 

 Physiologica Scandinavica, 18: 171. i949' 



91. J0RGENSEN, C. B. The amphibian water economy, 

 with special regard to the effect of neurohypophysial 

 extracts. Acta Physiologica Scandinavica, 22: Suppl. 



78. 1950. 



92. MiLLOT, J. New facts about the coelacanths. Nature, 

 174: 426. 1954. 



