INDEX. 



Ulcers, 341, 345 Variables, equation of, 145 



malignant, 384 Vitality, 163, 363 

 Units, 76, 88, 97 



Unna's stain, 43, 52, 68, 77 Wandering cells. 240 

 Urea, 99 



Vacuoles, diffusion, 104 Xanthin, 316 



ordinary, 103 X-ray cancer, 170 



423 



