366 MANUAL OF EQUINE MEDICINE. 



The pupils were contracted, and there was total loss of 

 appetite, the mare refusing all food and drink. The breath- 

 ing was slow, but not stertorous, and the nasal mucous mem- 

 brane was of a dark brownish hue. 



The symptoms remained unabated for three days, during 

 which time the animal continually moved round and round 

 in the box. On the fourth day the pulse began to regain 

 vigour ; but recovery was not complete before the lapse of 

 a week. 



SAVIN 



Is sometimes given by grooms and others, with the idea of 

 improving the condition, and has often caused death. 



It is said that the presence of savin can best be detected 

 in the stomach of the horse by the black currant-leaf-like 

 smell of the contents when boiled in a little water or beaten 

 up in a mortar. 



When seen under the microscope, the leaves have 

 sharply acuminated apices. 



BRYONY. 



Bryony (Bryonica dioica) is often given by horse-breakers 

 to young horses, with the idea of improving the condition. 



Although this drug excites the animal, and for a time is 

 said to improve its condition, it is nevertheless decidedly 

 poisonous ; and when the transient effects are over, depres- 

 sion of energy and corresponding loss of condition follow. 



WATER DROP-WORT. 



The water drop-wort {G^nanihe crocata) is a plant com- 

 monly growing in ditches and marshy localities. This 



