RELATION OF GLANDS TO IODINE AND METAMORPHOSIS. 417 



thyroidless tadpoles to these and to other factors that influence 

 development. 



LITERATURE. 

 Adler, L. 



'14 Metamorphosestudien an Batrachierlarven. L, Extirpation endocriner 

 Drusen. II., Extirpation der Hypophyse. Arch, f . Entwickelungsmech. ^ 

 Bd. 39- 

 Allen, B. M. 



'16 Extirpation Experiments in Rana pipicns Larvae. Science, November 24, 



1916. 

 Allen, B. M. 



'16 Effects of the Extirpation of the Anterior Lobe of the Hypophysis of 



Rana pipiens. BIOL. BULL., Vol. 32, March, 1917. 

 Allen, B. M. 



'16 The Results of Thyroid Removal in the Larvae of Rana pipiens. Jour. 



Exper. Zool., Vol. 24, p. 499, January 5, 1918. 

 Gudernatsch, J. F. 



'12 Feeding Experiments on Tadpoles. Arch. f. Entwickelungsmech., Vol. 



35- P- 457- 

 Gudernatsch, J. F. 



'14 A Further Contribution to the Knowledge of Organs with Internal Secre- 

 tion. Amer. Journ. Anat., Vol. 15, p. 431. 

 Larson, M. E. 



'19 Effect of the Extirpation of the Thyroid Gland upon the Pituitary Gland 



in Bufo. Anat. Record, Vol. 15, p. 353. 

 Rogers, James B. 



'18 The Effect of the Extirpation of the Thyroid upon the Thymus and the 

 Pituitary Glands of Rana pipiens. Jour. Exper. Zool., Vol. 24, p. 589, 

 January 5, 1918. 

 Smith, P. E. 



'16 Experimental Ablation of the Hypophysis in the Frog Embryo. Science, 



August 25, 1916. 

 Smith, P. E. 



'16 The Effect of Hypophysectomy in the Early Embryo upon the Growth and 



Development of the Frog. Anat. Record, October, 1916. 

 Swingle, W. W. 



'19 Studies on the Relation of Iodine to the Thyroid. I. The Effects of Feeding 

 Iodine to Normal and Thyroidectomized Tadpoles. Jour. Exper. Zool., 

 Vol. 27, p. 397, January 5, 1919. 

 Swingle, W. W. 



'19 Studies on the Relation of lodin to the Thyroid. II., Comparison of the 

 Thyroid Glands of lodin-fed and Normal Frog Larvae. Jour. Exper. 

 Zool., Vol. 27, p. 417, January 5, 1919. 



