Bui. 800, U. S. Dept. of Agriculture. 
PLATE VII. 
Fig. 1.— Sheep 478 at 11.57 a. ra. 
Fig. 2.— Sheep 478 at 11.58 a. m. A character- 
istic attitude when in a spacm. 
Fig. 3.— Sheep 478 at 12.24 p. m., when attempt- 
ing to rise. 
Fig. 4.— Sheep 478 at 12.41 p. in., after falling 
forward. 
Fig. 5.— Sheep 478 at 12.45 p. m., in one of the 
intervals between spasms. 
Fig. 6.— Sheep 478 at 1.05 p. m., when recover- 
ing. 
