507 
CORRESPONDENCE. 
But we cannot pursue this subject further. The movement is 
one in the right direction and if fostered and corrected and improved 
as further experience shall dictate, will do much to facilitate anat¬ 
omical study. 
The authors have been no less careful with the illustrations, 
than with their descriptions and instructions. Many of these are 
diagramatic and typical, but when they are given as illustrative of 
the actual structure, their conscientious accuracy is especially to 
he commended. A very striking example of this is furnished in 
the section of the cat’s eye on page 524. Comparing this with 
the section of the cat’s eye as furnished by Mivart, one is at once 
struck by the dissimilarity. That given by Mivart represents the 
segments of two spheres, the larger represented by the sclerotic 
and the smaller by the cornea, as in the human eye. Wilder and 
Gage on the other hand show the cat’s eye as a cone, with its base 
posteriorly and its rounded apex turned forward and represented 
by the cornea. Similarly, Mivart gives the lens with the posterior 
surface the most convex, like that of man, while Wilder and Gage 
show the anterior surface the most convex, as it really is in the 
cat. Even to the remarkable thickening of the sclerotic at its 
anterior border, the point of muscular attachment, and its attenu¬ 
ation behind—the peculiarity of the cat’s eye is marked out with 
a most faithful hand. 
Not the least valuable feature of this book is the bibliography, 
which covers over fifteen pages, and furnishes the student with a 
most extensive index to the literature of the subject. 
J. L. 
CORRESPONDENCE. 
TUBERCULOSIS IN COWS. 
Newton, January 10, 1883. 
Dr. Liautard :— 
Dear Sir.—I have sent you to-day, by express, a box of path¬ 
ological specimens, which I hope may he of interest to you and 
the gentlemen of the faculty, and instructive to the members of 
