70 THE ROYAL SOCIETY OF CANADA 



The probability of its development seems greater, the younger and 

 smaller the rat when feeding commences. The attacks usually 

 develop after from 7 to 10 days' treatment, and in the majority of 

 definite cases commence from four to five hours after a thyroid dose 

 has been eaten, and before other food has been given. 



References 



(1) Barker, L. F., and Sprunt, T. P.: Endocrinology, 1922, vi. 1. 



(2) Cameron, A. T., and Carmichael, J.: J. Biol. Chem., 1920, xlv, 69. 



(3) Cameron, A. T., and Carmichael, J. : J. Biol. Chem., 1921, xlvi, 35. 



(4) Cameron, A. T., and Carmichael, J.: Am. J. Physiol., 1921, Iviii, 1. 



(5) Cameron, A. T., and Moore, A.: Trans. Roy. Soc. Canada, 1921, 



xvi. Sect. V, 29. 



(6) Cameron, A. T., and Sedziak, F. A.: Am. J. Physiol., 1921, Iviii, 7. 



(7) Collip, J. B., and Backus, P. L.: Am. J. Physiol., 1920, li, 568. 



(8) Grant, S. B., and Goldman, A., Am. J. Physiol., 1920, Hi, 209. 



(9) Hashimoto, H.: Endocrinology, 1921, v, 579. 



(10) Herring, P. T., Quart. J. Exp. Physiol., 1915-16, ix, 391; 1917, 



xi, 47; 1919, xii, 115. 



(11) Hewitt, J. A.: Quart. J. Exp. Physiol., 1920, xii, 347. 



(12) Hoskins, E. R.: J. Exp. Zool., 1916, xxi, 295. 



