VISCERA 



123 



determined by Morgulis ('11). The organs were fixed in Zen- 

 ker's solution and imbedded in paraffin and were taken from 

 one normal Albino 110 days old; body length 176 mm., body 

 weight, 137.7 grams table 84. 



TABLE 81 



TABLE 85 



Volumetric data for the kidney of the albino rat at various ages. Zenker fixation; 

 Paraffin imbedding; Stain, haematoxylin and eosin 



* Including renal corpuscles still in stages of formation. 



t Including only fully formed corpuscles. 



J Estimated approximately from the three preceding cases. 



Pulmonary system. (See References : also table 146.) Miller 

 ('19) MS. has noted the absence of cartilage in the bronchi of 

 the rat. 



10. Uro-genital system. See References : also tables 145, 146, 

 149 and 150. 



Kidneys. Kittelson ('17) has examined the volumetric rela- 

 tions of the kidney at different ages, and also determined the 

 number of renal corpuscles table 85. 



