Infiantmation of the Omasimi. 131 



may be of value. Rub well with oil of turpentine and then with 

 a pulp of the best ground mustard and tepid or cold water and 

 cover with sheets of thick paper to prevent evaporation. 



If nervous, symptoms are manifested b\- dilated pupils, blind- 

 ness, congested conjunctiva, hot horns and ears, and drowsiness, 

 or excitabilit}' applj' cold water or an icebag to the head and con- 

 tinue as long as may be needful. If the patient should become 

 violently delirious he may be fastened to a beam overhead in the 

 centre of the .stall so as to prevent him from injuring himself or 

 others. 



In these cases the more violent and irritant purgatives are to 

 be avoided, and decoctions of slippery elm, linseed or gum \w^y 

 be given to sheathe and protect the irritated membrane. 



Even though a free action of the bowels has been secured it is 

 not to be assumed that all impacted material has been removed. 

 A specially laxative diet of roots, ensilage, or succulent green 

 food, with a liberal supply of salt, and free access to water should 

 be kept up for some weeks to secure a complete .softening and 

 expulsion of the impacted material. Repeated small doses of 

 laxative medicine may be requisite to bring this about. As a 

 rule a course of tonics, and above all of nux vomica is valuable 

 in reestablishing the normal tone of the stomachs and intestines. 



INFLAMMATION OF THE OMASUM. 



Involved in rinderpest, Texas-fever, malignant catarrh, etc. Diplitheritis, 

 Tuberculosis, Irritant poisons, Traumatisms, Impactions, change to green 

 food, etc. Lesions : Congestion, ramified redness, petechise, desquamation, 

 softening, necrosis, false membranes, ulcerations, pigmentation, papillary 

 growths, impaction. Symptoms : those of impaction with fever. Course, 

 Treatment : demulcents, laxatives, blisters, bismuth, eserine, veratrine, 

 pilocarpin, electricity, careful diet. 



Eike the rumen the omasum is the seat of local inflammatory 

 lesions in certain specific fevers. Thus in Rinderpest, and Texas- 

 fever it is almost always the seat of patches of congestion and 

 blood extravasation, and in the latter of necrosis and perforation 

 of the folds. Similar lesions .sometimes appear in malignant 



