DADDS VETERINARY MEDICINE AND SURGERY. 
five. Figure 5, a five-years old; the corner teeth are well up; 
the faces of the front and middle are worn more or less, and 
the tushes are more developed. Figure 6, a six-years old; the 
black marks have disappeared from the two front teeth, and a 
Fig. 3 Fig. 4. 
THREE YEARS OLD. TuUR YEARS OID. 
brownish mark is perceivable. Figure 7, a seven-years old; the 
black marks have now disappeared from the two middle teeth, and 
a brown spot is seen in the center. Figure 8, an cight-years old; 
the marks and cavities of the corner teeth are now effaced. Fig- 
ure 9 is a horizontal view of “ Black Hawk’s” incisors, and, con- 
FIVE YEARS OLD, SIX YEARS OLD. 
trasted with figure 10, (a young mouth,) shows the degree of 
inclination existing between the incisors of the aged and young 
animals. 
THE Coit’s Moutu.—Remarks on the Temporary Teeth. (In- 
eisors.) In the course of from ten to fifteen days after birth (varying 
