308 THE MICROSCOriST. 



of an inch in diameter, often arranged in chains, still, or 

 vibratile), pathological significance uncertain. 



d. Hyaline and pale tube-casts (rare in non-albuminous 

 urine), Bright' 's disease. 



B. Deposit dense, opaque, bulky. 

 a. Urine non-albuminous. 



a. Microscopic deposit, granular simply, urates or phos- 

 phate of lime. The former dissolve on heating. 



/?. Microscopic crystals, triangular prisms and their de- 

 rivatives, triple phosphates. 



b. Urine albuminous. 



. Leucocytes only, nephritis, cystitis, etc. 

 ft. Crystals of triple phosphates, with leucocytes, 

 chronic cystitis, perhaps calculus. 



C. Deposit granular or crystalline; small. 

 a. Urine albuminous. 



a. Red blood-disks, hcematuria. 



/?. Cancer-cells (irregular, caudate, and oval, with large 

 nuclei), carcinoma. Mistake not epithelial for cancer 

 cells. 



Y. Tubercle corpuscles (non-nucleated, granular, oval 

 bodies, about ^^th of an inch in diameter), tuberculosis . 



b. Urine not albuminous. 



a. Oxalate of lime crystals (brilliant octohedra. show- 

 ing as squares marked with diagonal crosses, or more 

 rarely as dumb-bells), oxaluria. 



p. Uric acid crystals (yellowish, lozenge-shaped, oval, 

 barrel-shaped, etc.),lithuria. 



r Microscopic spherules and dumb-bells, soluble in 

 acetic acid with effervescence, carbonate of lime. 



d Hexagonal crystals of cystin, cystinuria. 



e. Sediment resembling uric acid, but soluble in hot 

 water and mineral acids, xanthin. 



C. Sheaflike bundles or globular masses of acicular crys- 

 tals, tyrosin and leucin, acute atrophy of liver? 

 7). Hydatids, etc., entozoa. 



