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. 



Fig. 3.-SHEEP610. 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, 

 9.10 a.m. The Animal in a Spasm. 



