REFERENCES TO THE LITERATURE 241 



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 Langley, J. N. 1882 On the histology of the mammalian gastric glands, and 



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 Langlois, J. P. and Loir, A. 1902 La resistance des rats et des insectes a 



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 Lantz, David E. 1907 Methods of destroying rats. U. S. Dept. of Agr. 



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1909 The brown rat in the United States. U. S. Dept. of Agr., Biol, 

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1910 Natural history of the rat. Found in "The rat and its relation 

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1910 a Natural enemies of the rat. Found in "The rat and its rela- 

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1910 b The rat as an economic factor. Found in "The rat and its 



relation to the public health," pp. 215-226. Treasury Dept. Pub. 



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 Lapicque, Louis 1907 Difference sexuelle dans le poids de l'encephale chez 



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 Lapicque, Louis and Gihard, P. 1907 Sur le poids de l'encephale chez les 



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 Lapicque, Louis and Legendre, R. 1911 Sur les rats noirs du Jardin des 



Plantes. Bull, du Museum d'histoire naturelle, no. 6, pp. 1-5. 

 Lashley, K. S. 1912 Visual discrimination of size and form in the albino rat. 



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 Lauber, Hans 1901 BeitragezurAnatomie des vorderen Augenabsehnittes der 



Wirbeltiere. Anat. Hefte, vol. 18, pp. 371-453. Mus rattus, p. 427. 

 Laveran, A. and Mesnil, F. 1900 Sur l'agglutination des trypanosomes du 



rat par divers serums. C. R. Soc. de Biol., Nov. 10, p. 939. 



1900 a De la longue conservation a la glaciere des trypanosomes du 



rat et de 1'agglomeration de ces parasites. C. R. Soc. de Biol., Oct. 6, 



p. 816. 



1900 b Sur le mode de multiplication du trypanosome du rat. C. R. 



Soc. de Biol., Nov. 17, p. 976. 

 Lavrinovich, M. O. 1910 Extermination of rats in St. Petersburg by cultures 



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 Leboeuf, A. 1912 Existence de lepra murium (lepre des rats) en Nouvelle 



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