172 
REPORTS OF CASES. 
late, it must be conceded that there arc genuine and serious diffi¬ 
culties in the way of the practitioner who would make a perfect 
diagnosis, since the pathognomonic symptoms in almost every 
case are absent. Yet, when in presence of a suffering animal, if 
the practitioner will bear in mind the data that he must possess 
in his anatomical and physiological knowledge, and will rapidly, 
though carefully, analyse the characteristics of the case before 
him, critically noticing and comparing the positive and negative 
symptoms, and then weigh the case in his mind and judge the 
acts in the light of similar other cases within his memory and ob¬ 
servation, the experienced and judicious veterinarian may reason- 
•able hope, in many cases, to reach a satisfactory and nearly ac¬ 
curate diagnosis. This, of course, is the important point to 
reach, in order to establish a proper theory and mode of treat¬ 
ment. It is not enough to relieve the sufferings of the tortured 
animal ; to discover and reach the cause if possible, and to remove 
it and save the life of the patient—this is the work which the 
veterinarian must accomplish—“ this is what he is for.” 
{To be co7itinued.) 
REPORTS OF CASES. 
REMOVAL OF A LARGE MELANOTIC TUMOR FROM THE ANUS 
AND RECTUM OF A GELDING—RECOVERY—HISTORY. 
By W. A. Dimond, D.V.S., House Surgeon. 
The subject of this operation was a gray gelding, fourteen 
years of age, belonging to a physician of Jersey City, which 
entered the hospital on May lltli, 1885. 
About four years previous to this the animal had been ope¬ 
rated upon at the hospital to remove a melanotic growth on the 
right side of anus, which was successful, the animal making a 
nice recovery, having been in good health and performed its 
work ever since. For the past year it has been observed that a 
tumor has been gradually appearing on the left side of the anus, 
until recently, having assumed proportions alarming to the 
owner, he was again sent here to be operated upon. 
