DISTRIBUTION AND ABUNDANCE 93 



Gadow, H. (1909) Cambridge Natural History, 8, 72 and 177 (Macmillan, 



London). 

 Gilbert, W. S. (1885) The Mikado (Chatto & Windus, London). 

 Heron-Royer (1S85) DiilL Soc. Etud. Sci. Anders, 92-134. 

 Jameson, D. L. (1955) Amcr. Midi Nat., 54, 342-81 

 JuszczYK, W. (195 1 ) Bull. int. Acad. Cracovic {Acad. pol. Sci.), 369. 

 Lack, D. (1954) The Natural Regulation of Animal Numbers (Clarendon Press, 



Oxford). 

 Martof, B. (1953) Ecology, 34, No. i, 165-74, 529-43- 

 Nicholson, A.J. (1933)7. ^"""- EcoL, 2, 132-78. 

 Noble, G. K. and Noble, R. C. (1923) Zoologica, N.Y., 2, 417-55. 

 Pearson, P. G. (1955) Ecol. Monogr., 25, No. 3, 233-67. 

 Roesel, A.J. VON R. (1758) Historia Naturalis Ranarum Nostratium (Fleischmann, 



Niirenberg). 

 Savage, R. M. (1935) Proc. zool. Soc. Land., 49-98. 

 Savage, R. M. (1939) Proc. zool. Soc. Lond., A, 109, No. i, 1-19. 

 Smith, M. A. (1938) In letter from H. W. Parker. 



Smith, M. A. (195 1) The British Amphibians and Reptiles (Collins, London). 

 Smith, M. A. (1953) Ctry Life, Lond., Sept., 770-1. 

 Solomon, M. E. (1949)7. Anim. Ecol, 18, No. i, 1-35. 

 Taylor, R. H. R. (1948) Brit.f. Herpet, i, 1-38. 

 Wright, A. and Wright, A. A. (1949) Handbook of the Frogs and Toads of the 



United States and Canada (Comstock Publ. Co., Ithaca, New York). 



