112 CASE OF GREEN PIGMENT- 



This case I have thought myself justified in recording at 

 full length in this Journal, together with some observations 

 on the present state of the question. 



The aorta was in a state of atheromatous degeneration, 

 with numerous scales of calcai'eous deposits. 



The left ventricle was hiipertrophied to an enormous extent, 

 the Avails being nearly an inch in thickness. The microscopic 

 examination gave the following result: — 



The muscular fibres from the outer wall show a granular 

 deposit of a dirty-yellowish colour. The granules are of all 

 sizes and shapes (Plate IX., figs. 1, 2), with a dark outline 

 when well focussed. Their colour is deeper in some parts 

 than in others ; in some places it is a pale, dirty-yellowish 

 tint, in others sap-green. The granules are deposited in 

 patches, length-lines, mostly in the axis of the fibre, or singly, 

 scattered about, all apparently inside the sarcolemma. The 

 patches are very often broad and at regular intervals, so that 

 it seems as if they represented transformed nuclei (fig. 2 h), 

 particularly as the nuclei themselves are broad, nearly square, 

 with rounded-off angles (fig. 2 a). In some places the deposit 

 is principally conspicuous at both ends of a nu<leus (fig. 2). 

 The fibres themselves have preserved their transverse striae ; 

 numerous length-lines run along the fibres parallel with their 

 long axis, and crossing the transverse striae, which thence 

 appear as if they only reached from length-line to length- 

 line (Plate IX., fig. 1). 



Acetic acid dissolves the fibres, and leaves the nuclei and 

 the unchanged granular deposit conspicuous. 



Though the muscular fibres have a greenish tinge when 

 lying in thick layers, yet this tinge disappears when they 

 are lying singly, and when acetic acid is added, then all 

 tinge, except that of the green corpuscles, disappears. 



The septum atriorum showed less deposit in its fibres, 

 which were however more macerated ; its striae were scarcely 

 distinct as such, but gave the fibres an irregularly-shaded 

 granular appearance, like figs. 2, 3. 



In one of the r-ir/ht traheculce where the fibres are most 

 friable, and break into debris on preparation for microscopic 

 examination, the general tinge is deepest, but the deposit, 

 though consisting of many granules, is not very conspicuous, 

 because the granules are very small. 



The right ventricle is in a state of atrophy, in every respect 

 the reverse of the left. The walls are thin, flabby, and tear 

 like rags. Tlieir fibies are atrophied, pale, and very friable ; 

 great masses of fat-cells, or oil-drops, and globules of all sizes 

 are scattered through their tissue. Smaller fat-drops of the 



