Bui. 969, U. S. Dept. of Agriculture. 
Plate II. 
Fig. I.— Sheep 610. July 7, 1.20 p. m. 
Weakness in Hind Legs, More 
Pronounced on One Side. 
Fig. 2— Sheep 610. July 9, 4.05 p.m. 
Position After Falling. 
. ' 
* 
^^mm 
: ' " ■ ; v ■ 
Fig. 3.— Sheep 610. July 9, 4.12 p. m. 
Standing with Difficulty. 
Fig. 4.— Sheep 610. July 10, 
9.50 a. m. A Characteristic 
Attitude when Attempting to 
Stand. 
Fig. 5.— Sheep 590. September I, 
8.50 a.m. The Animal in a Spasm 
in Opisthotonos Position. 
Fig. 6.-Sheep 590. September I, 
9.10a.m. The Animal in aSpasm. 
