THE AGE OF FEMALE BLUE WHALES 269 



LITERATURE CITED 



Barrett-Hamilton, G. E. H. See Hinton, M. A. C. 



Callow, R. K., Laurie, A. H. and Parkes, A. S., 1935. The Corpus Luteum of the Whale as a Source of 



Progestin. J. Soc. Chem. Industr., liv, No. 47, "Chemistry and Industry", p. 1025. 

 Harmer, S. F., 1929. Southern Whaling. Proc. Linn. Soc. Lond., pp. 85-163. 

 Hart, T. John, 1935. On the Diatoms of the Skin Film of Whales and their possible bearing on Problems of 



Whale Movements. Discovery Reports, x, pp. 247-82, pi. XL 

 Hinton, M. A. C, 1925. Report on the Papers Left by the Late Major Barrett-Hamilton, Relating to the 



Whales of South Georgia. Crown Agents for the Colonies. London, pp. 57-209. 

 Hjort, J., Jahn, G. and Risting, S. See International Whaling Statistics. 

 Hjort, J., Lie, J. and Ruud, T., 1932-5. Norwegian Pelagic Whaling in the Antarctic. Hvalradets Skrifter, 



Nos. 3, 7, 8, 9, 12 and 14. Oslo. 

 International Whaling Statistics. Edited by the Committee for Whaling Statistics Appointed by the 



Norwegian Government: vols. I— VI. Oslo, 1930-5. 

 Laurie, Alec H., 1936. The Stock of Antarctic Blue Whales. Nature, cxxxvm, p. 33. 

 Mackintosh, N. A. and Wheeler, J. F. G., 1929. Southern Blue and Fin Whales. Discovery Reports, 1, 



pp. 257-540, pis. XXV-XLIV, text-figs. 1-157. 

 Marshall, E. H., 1930. Report on a Visit to the Ross Dependency. Geogr. J., lxxv, No. 3. 

 Wheeler, J. F. G., 1930. The Age of Fin Whales at Physical Maturity. Discovery Reports, 11, pp. 403-34, 



pi. V, text-figs. 1-5. 

 1934. On the Stock of Whales at South Georgia. Discovery Reports, ix, pp. 351-72, text-figs. 1-3. 



