EXTRACTS FROM EXCHANGES. 
679 
of the horse and ox ; (7) to treat traumata of the jaws and buc¬ 
cal surfaces from all causes; and (8) to correct faulty erup¬ 
tion of the permanent and temporary dentures. A circumspect 
review of this brief summary will readily reveal the wide sphere 
of usefulness as well as the importance of veterinary dentistry, 
so forcibly as to leave no room for negative propositions.— 
(L. A. M.) 
EXTRACTS FROM EXCHANGES. 
GERMAN REVIEW. 
By Adolph Eichhorn, D.V.S., Bureau of Animal Industry, Milwaukee, Wis. 
Sarcoma in a Horse—Death from a Sarcoma of the 
Cerebrum \Ebertz\. —A mare, 16 years old, showed a tumor 
on the right side of the neck, in the region of the joint of the 
third and fourth cervical vertebrae. The growth was of the 
size of a chestnut, which on palpation proved to be smooth, 
solid, painless, and firmly grown to the surrounding tissue. The 
tumor for a long time has shown no tendency to grow, which 
period was followed by an inclination to an enlargement, so 
that a diagnosis of a u malignant tumor, probably a sarcoma,” 
was established. Its extirpation was decided upon, and after 
overcoming considerable difficulties a tumor of the size of a 
double fist was removed. The new formation on histological 
examination proved to be a round-cell sarcoma of small cells, 
showing also the beginning of fatty degeneration. Although 
the operation wound appeared to take a normal course, a grave 
prognosis was given, considering the malignant tumor and their 
great tendencv for metastatic formations. Three weeks after 
the operation the horse was suddenly attacked by dizziness and 
fell down, distorting the eyes, and remained quiet for a few 
minutes. After a short time the horse got up without assist¬ 
ance. This attack came on repeatedly at intervals of one to 
several days, on which a diagnosis of a sarcoma in the cranial 
cavity, probably in the cerebellum, was based. After a time 
these attacks of dizziness almost ceased ; on the other hand the 
animal developed a complete stiff gait in the hind legs, carrying 
the legs wide apart, and at this time at the place of operation a 
tumor of the size of a nut made its appearance. One day the 
horse suddenly died. Autopsy : A tumor-like degeneration of 
