REFERENCES TO THE LITERATURE 255 



Retzius, A. 1841 Ueber den Bau des Magens bei den in Schweden vorkommen- 

 den Wiihlmausen (Lemmus Nilss., Hypudaeus Jllig.) (A. d.Schwed. 

 von F. C. H. Creplin.) Taf. XIV. fig. 2-9. Archiv. fur Anat. u. 

 Physiol., pp. 403-420. Comparisons with Mus decumanus. 



Retzius, Gustaf 1893 Biologische Untersuchungen, Neue Folge V. 2. Stud- 

 ien iiber Ependym und Neuroglia, pp. 9-15. Samson &Wallin. Stock- 

 holm. 



1894 Biologische Untersuchungen. Neue Folge VI, 1. Die Neuro- 

 glia der Neurohypophyse der Saugetiere, pp. 1-28. Samson & Wallin, 

 Stockholm. 



1909 Biologische Untersuchungen, 14. Die Spermien der Nagetiere. 

 Taf. XL-XLVIII, Taf. XLIX. fig. 13-20, pp. 133-162. p. 160, Mus 

 norvegicus Erxl. (Mus decumanus Pall) Neue Folge, XIV. Gustav 

 Fischer, Jena. 



Richardson, Florence 1909 A study of sensory control in the rat. Psych. 

 Monographs, vol. 12, no. 1, pp. 1-124. 



Ringeling, H. G. 1912 Naar aanleiding van een opvallende sterfte onder de 

 ratten aan boord van een stoomschips te Amsterdam. Tijdschr. v. 

 sociale hyg. Zwolle, xiv, 29-53. 



Ritzema-Bos, J. 1894 Untersuchungen tiber die Folgen der Zucht in engster 

 Blutverwandtschaft. Biol. Centralbl., vol. 14, pp. 75-81. 



Robertson, T. B. 1908 On the normal rate of growth of an individual and its 

 biochemical significance. Arch, f . Entwcklngs-mechn. d. Organ., vol. 

 " . 25, pp. 571-614. 



1912 Studies in the blood relationship of animals as displayed in the 

 composition of the serum proteins. I. A comparison of the serum of 

 the horse, rabbit, rat and ox with respect to their content of various 

 proteins in the normal and in the fasting condition. J. Biol. Chem., 

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Robertson, T.B. and Burnett, T.C. 1913 The influence of lecithin and chol- 

 esterin upon the growth of tumors. J. exper. Med., vol. 17, pp. 344- 

 352. 



Robinson, Arthur 1889 Observations on the early stages in the development 

 of the lungs of rats and mice. J. of Anat. u Physiol., vol. 23, pp. 224- 

 241. 



1892 Some points in the early development of Mus musculus and 

 Mus decumanus; the relation of the yolk-sac to the decidua and the 

 placenta. Rep. Brit. Assoc. Adv. Sc, 61st Meeting, Cardiff, pp. 690- 

 691. 



1892 a Observations upon the development of the spinal cord in Mus 

 musculus and Mus decumanus. Rep. Brit. Assoc. Adv. Sc, 61st meet- 

 ing, Cardiff, pp. 691-692. 



1896 On the formation and structure of the optic nerve, and its rela- 

 tion to the optic stalk. J. Anat. and Physiol., vol. 30, pp. 319-333. 

 1904 Lectures on the early stages in the development of mammalian 

 ova and on the differentiation of the placenta in different groups of mam- 

 mals. J. Anat. and Physiol., vol. 38, pp. 186-204. 



