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17, pp. 46-48. 

 BENNETT, CHARLES B. 1914 The cholesterol content of cancers in rats. J. 



Biol.. Chem., vol. 17. pp. 13-14. 

 BERETTA, ARTUR 1913 La normala dentatura dei Roditori in rapporto alle 



anomalie dentali in questi osservate. Stomatol., vol. 10, no. 2 and 3. 

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culture of Danysz' rat bacillus and ratin. Svensk Veterinartidskr., 



Stockholm, vol. 13, pp. 377-387. 

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1895 The intrinsic pulmonary nerves in mammalia. Johns Hopkins 



Hosp. Rep. (Baltimore), vol. 4, pp. 72-78 (240-246), 1 pi. 

 BERRY, C. S. 1906 The imitative tendency of white rats. J. Comp. Neur. and 



Psychol., vol. 16, pp. 333-361. 

 BERT, PAUL 1878 La pression barometrique; rescherches de physiologic experi- 



mentale. G. Masson, Paris. Some observations on rats. 

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Menschen und der Wirbelthiere. Basssermann and Mathy, Mannheim. 



Hausratte Mus rattus, p. 22. 

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suppl. pp. 17-19. 

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338, p. 289, figures of the normal and abnormal thyroid of the rat. 



All references by name only. 



1911 a Weitere Beitrage zur experimentellen Erzeugung des Kropf es. 



Die Kropfatiologie ein colloid-chemisches Problem. Ztschr. f. exper. 



Path. u. Therap., vol. 9. 

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104 pp., 6 pi. 4. Heidelbergae, typ. Reichardianis. 

 BLANC, Louis 1892 Sur un ovule a deux noyaux observ6 dans 1'ovaire de Mus 



decumanus. Ann. de la societe" Linneenne de Lyon Nouv. S6r., vol. 



39, pp. 73-80. 

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den Lander von Mitteleuropa. Vol. 1, Saugethiere. Braunschweig. 



Viehweg. Descriptions of the several species of rats. 

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1910 Rodents in relation to the transmission of bubonic plague. 



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BOELTER, W. R. 1909 The rat problem. John Bale, Sons and Danielsson, Lon- 

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