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the smaller axis ; a very remarkable linear or moniliform ar- 

 rangement of granules presented itself in certain parts of the 

 field, sets or rows of granules being arranged longitudinally 

 parallel or convergent, and apparently in connexion with very 

 faint subjacent striations in the same direction — I am inclined 

 to regard this as an instance of granular disintegration of a 

 band of fibre; — lastly, numerous stellate crystals, apparently 

 of the fatty acids, lay scattered over the field, some also being 

 included in cells, and appearing to be the stage of lysis of their 

 previously granular contents, preparatory to the final rupture 

 and dissolution of the including membrane. 



3. Blood. — I have met with specimens of blood in which 

 changes took place with great rapidity ; I do not now allude 

 to the corrugation and stellate appearance of the corpuscles, 

 which is familiar to every one. In one specimen, after 

 twenty-six hours, I found the haematine had escaped from 

 numerous corpuscles, and had assumed the shape of granular 

 masses, heaps, and crystals (haematoid crystals of Virchow). 

 What pathological significance to give to this rapid change I 

 do not know ; but I am inclined to think that this, as well as 

 other isolated facts which we now possess in reference to the 

 blood, will be one day utilized. 



4. Blood Stains. — This question is so important that I pur- 

 pose making it the subject of a special inquiry. At present I 

 will only add, that from specimens three months old, I have been 

 able to figure the corpuscles, though much changed in form ; 

 also, a red granular base studded with corpuscles, and haema- 

 toid granules more or less aggregated. 



2. Histolysis in Fluid Blood. — Blood of duck after two years 

 (kept in a bottle). Here was presented an assemblage of forms 

 widely different from those of the natural blood ; none of the 

 characteristic elliptical corpuscles of this animal's blood was 

 to be found. There existed, firstly, abundance of granules, 

 granular corpuscles, spherical vesicles of moderate size ; square 

 and oblong, apparently vesicular, bodies ; large cells or vesicles, 



