72() EXPERIMENT STATION RECORD. 



poisoiioiiH plants, and preliminary notes are given on the symptoms produced by a num- 

 ber of tiiese plants and on the remedies which have been found effective. The greatest 

 amount of jjoisoning fr(jm plants occurs in early spring before the grass has started 

 up. Some of the more imi)ortant species of poisonous plants are Dichapekilum 

 ci/moi*nm, species of Mortea, Ihthira stramonium, D. tafnia, and oleander. Notes are 

 also <x\\i'u DU poisoning from suiglmm and Kafir corn. 



Bacillus pyog-enes suis, B. pyog-eixes bovis, and the bacteriological find- 

 ings in chronic mammitis of milch cows, F. Glage {Ztsdir. Fleisch- v. Milchlii/tj.f 

 IJ {I'JO.i), No. G, pp. IG6-17.'j). — A study was made of the organisms mentioned in 

 the title of this article, with special reference to the etiology of chronic mammitis 

 with abscesses. The morphological and biological characters of the organisms are 

 compared in detail. The author concludes that B. pyogenes suis, B. pyogenes bovis, . 

 and the ])acillus found in chronic mammitis are all identical, and that this organism 

 is the most connnon pyogenic bacillus of the hog and cattle. The organism was 

 frequently found in suppurative mammitis and it is believed that it may be trans, 

 mitted from cattle to hogs in the milk of diseased cows. 



The eticlog-y of swine plague, W. Grips (Deut. Tierdrztl. Wchnschr., 11 [1903), 

 No. 20, pp. 1S5, 186). — In the author's opinion the appearance of small yellow or 

 gray necrotic areas in the lungs of hogs affected with swine plague is not a constant 

 symptom of the disease. During a study of this disease, Bacillus pyogenes suis was 

 found in the lungs of hogs and the disease was transmitted to healthy hogs by inocu- 

 lation with this organism and feeding experiments during which the same bacillus 

 was employed. The author believes therefore that this organism is the cause of 

 swine plague and that the micro-organism described by Loffler and Schiitz is not 

 connetced with the disease in a causal manner. 



The etiology of swine plague, R. Ostektag (Deut. Tierdrztl. Wdinsclir., 11 [1903), 

 No. -21, pp. 193, 194) . — Referring to an article on the same subject by W. Grips, the 

 author agrees with a statement of Grips that small yellow or gray necrotic areas are 

 not always present in cases of swine plague. It is believed, however, that the Loff- 

 ler-Schutz organism is the cause of the disease and that Bacillus pyogenes suis is 

 associated with this organism in a number of cases of swine plague. The author 

 urges that the production of pneumonia in hogs by inoculation with B. pyogenes suis 

 does not prove that this organism is the cause of swine plague, but simjily that in 

 common with other bacteria belonging to the same grouj), it is capable of setting up 

 a process of suppuration. 



The vaccine material for swine erysipelas prepared by the Jenner-Pasteur 

 Institute at Budapest, L. Detre-Deutsch [Berlin. Tierdrztl. Wchnschr., 1903, No. 16, 

 pp. 265, 266). — The method of serum vaccination used by the Jenner-Pasteur Institute 

 at Budapest requires 2 inoculations at intervals of about 12 days. This method has 

 been used chiefly in the control of swine erysipelas and has been tested in 9,250 

 animals. In this number of animals not a single case developed swine erysipelas 

 after vaccination. The treatment appears therefore to be perfectly safe and 

 effective. 



The most convenient position of hogs for vaccination, K. Muller [Berlin. 

 Tierdrztl. ]]'chusrlir., 1903, No. 17, pp. 278, 279). — For holding hogs during vaccina- 

 tion the author recommends the use of a strong cord which is inserted in the mouth 

 and fastened over the head. As a rule 1 man is able to restram hogs of ordinary 

 weight by this method during vaccination. 



Paralysis of young colts, Zwicker [Berlin. Tierdrztl. Wchnschr., 1903, No. 12, 

 pp. 197, 198). — While the term lameness or paralysis of young colts has been used 

 to include all the more pronounced functional disturbances in the extremities, it is 

 quite apparent that a considerable number of diseases bring about symptoms of 

 lameness. One of these is infectious omphalitis, with secondary pyemic inflamma- 

 tion of the joints. 



