216 PARASITOLOGY. 



Parts Infested. — The red blood cells. 



Name of Disease. — Equine piroplasmosis ; paludism 

 in horse. 



Hozv Transmitted. — In Russia said to be trans- 

 mitted by the Dermacenter electus. 



Condition Produced. — Fat is icteric; mucous and 

 serous membranes may be marked with petechia; the 

 liver is engorged with blood, and yellowish in color ; 

 the kidneys are congested and softened; the lungs 

 may be congested. Dropsical swellings may appear in 

 chronic cases. 



Symptoms. — Great depression, weakness, unsteady 

 gait ; loss of appetite ; high elevation of temperature 

 (103° to 105° Fahrenheit); accelerated respiration. 

 The lungs may become congested and a foamy mucous 

 discharge from the nostrils; in the latter case the 

 respirations would be hurried and painful ; in later 

 stages port-wine colored urine. Death occurs in acute 

 cases in from a few hours to five or six days. Chronic 

 cases may last two to three months. 



AMO EB A ( Amoebas — change) . 



The class amoeba includes a single-celled group of 

 parasites that are provided with a nucleus and pro- 

 toplasm and possess amoeboid movement. They in- 

 fest various parts of the body. 



Amoeba Parasitica (Amoebas — change) 



(Parasitus — eating beside). 



Synonym. — Amoeba Principes. 



Distribution.— ¥o\xr\6. in Australia ; not reported in 

 the United States. 



Description. — ^A single-celled protozoon apparently 

 identical with the Amoeba Principes of fresh water. 



Animals Infested. — Sheep. 



