BIBLIOGRAPHY 167 



Saville Kent, W. (1880) A Manual of the Infusoria. Bogue, London. 



3 vols. 

 Schrader, F. (1953) Mitosis. (2nd ed.) Columbia University Press. 

 Seaman, G. R. (1952) The phosphagen of protozoa. Biochem. Biophys. 



Acta. 9; 693. 

 Sedgwick, A. (1884) On the nature of the metameric segmentation and 



some other morphological questions. Quart. J. Alter. Sci. 24; 43. 

 Sedgwick, A. (1915) A Student's Textbook of Zoology. Vol. 3. Sonnenschein. 

 Shapley, H. (1958) Of Stars and Men. Beacon Press, New York. 

 Simpson, G. G. (1944) Tempo and Mode in Evolution. Columbia 



University Press. 

 Simpson, G. G. (1945) The principles of classification and a classification 



of mammals. Bull. Amer. Mus. nat. Hist. 85; 1. 

 Simpson, G. G. (1951) Horses. Oxford University Press, New York. 

 Simpson, G. G. (1953) The Major Features of Evolution. Columbia 



University Press. 

 Singer, C. (1950) A History of Biology. Schumann. 

 Spooner, E. T. C, and Stocker, B. A. D. (1956) Bacterial anatomy. 



Symp. Soc. gen. Microbiol. Cambridge. 

 Stirton, R. A. (1940) Phylogeny of North American Equidae. Univ. 



Calif. Publ. Bull. Geol. 25; 165. 

 Stunkard, H. W. (1954) The life history and systematic relations of the 



Mesozoa. Quart. Rev. Biol. 29; 230. 

 Summers, E. (1938) Some aspects of normal development in colonial 



ciliate Zoothamnion alternans. Biol. Bull. 74; 117. 

 Summers, E. (1938) Form regulation in Zoothamnion alternans. Biol. 



Bull. 74; 130. 

 Swann, M. (1951) Protoplasmic structure and mitosis. J. exp. Biol. 



28; 417. 

 Takahashi, W. N., and Ishii, M. (1953) A macromolecular protein 



associated with tobacco mosaic virus infection; its isolation and 



properties. Amer.J.Bot. 40; 85. 

 van Thoai, N.-G., Roche, J., Robin, Y., and Thiem, N. (1953) Sur 



deux nouvaeux phosphagenes ; la phosphotaurocyamine et la phos- 



phoglycocyamine. C . R. Biol. Soc. Paris. 147; 1241. 

 van Thoai, N.-G., and Robin Y. (1951) Les methylases chez les 



invertebres marins. C. R. Biol. Soc. Paris, 145; 1674. 

 van Thoai, N.-G., Roche, J., and Robin, Y. (1957) Sur la presence de 



creatine chez les invertebres et la significance biologique. Biochem. 



Biophys. Acta. 24; 514. 

 van Thoai, N.-G., and Robin, Y. (1954) Metabolism des derives 



guanidyles. Sur un nouvelle guanidine monosubstituee biologique. 



L'ester guanido ethyl seryl phosphorique (lombrincine) et le phosphagen 



correspondant. Biochem. Biophys. Acta. 14; 76. 

 Thompson, D'Arcy, W. (1942) On Growth and Form. Cambridge 



Universitv Press. 



