VETERINARY SCIENCE AND PRACTICE. 705 



for some time investigating the nature and etiology of horse sickness in Natal. A 

 number of doubtful points still remain to be elucidated, but observations thus far 

 made indicate that a species of Anopheles is instnnnental in transmitting the disease 

 from one horse to another. A number of experiments were made in which mosqui- 

 toes were allowed to suck the blood of infected horses and were then allowed to suck 

 the bjodd from the horses which were healthy. In all cases an elevation of tempera- 

 ture up to al)out 105.1° F. was observed, together with other symptoms of mild cases 

 of horse sickness. The author was therefore inclined to believe that more work 

 along this line will definitely prove the agency of this mosquito in transmitting the 

 disease. 



Latent parasitism and immunization against dourine, BuFFARDand (Schneider 

 {Juki-. Mt'd. Vit. et Zooiivli., 5. srr., 6{190J), Mar., pp. 144-146). — From observations 

 on asses and dogs the authors l)elieve that the organism of dourine may persist in 

 the affected animal for an indelinite time in a resistant form. This resistant form 

 aj)parently plays the jtart of a spore. When the conditions are favoral)le for the ger- 

 nunation of these resistant forms of the trypanosoma, the disease may suddenly break 

 out in an acute form. The authors oy)served an attenuation of the virulence of the 

 parasite in affected areas. 



Acute epizootic leucoencephalitis in horses, W. G. Maccallum and 8. S. 

 Buckley {Atner. Yd. Rev., 26 {1902), No. 1, pp. 21-36, jign. 7). — This paper in essen- 

 tially the same form has been abstracted from another source (E. S. R., 14, p. 91). 



Diarrhea of new-born colts, E. Thierry {Jour. Ayr. Prat., v. ner., 4 {1002), No. 

 31, p. 159). — Notes are given on the symptoms of infectious diarrhea, or diarrhetic 

 enteritis in young sucking colts. In treating this disease it is reconunended tliat the 

 und)ilii-al cord be washed with some antise{)tic soluti(jn and that special attention be 

 given to disinfection of stables in which the disease occurs. 



The treatment of so-called colt lameness, A. Marcus {Berlin. Tlikrarzil. 

 Wrlinschr., J902, No. 20, pp. 303-306, fig. 1). — While this disease is recognized as very 

 l)revalent in many parts of Germany, it is maintained that since the nature of the 

 affection is known the disease may be controlled by suitable treatment. Attention 

 should first be given to the stump of the navel cord, which should be rendered anti- 

 se{>tic and if necessary protected by l)andages from contamination. When this 

 treatuient is carried out scrupulously infection can not take place and the later 

 symptoms of lameness do not appear. 



Petechial fever of horses, and its treatment by the serum of Marmorek 

 {Juiir. Mid. Vit. et Zooteclt., 5. .srr., 6" {1902), May., ]>p. 147-153). — Numerous experi- 

 ments were conducted for the purpose of determining the action of Marmorek's 

 serum in the treatment of this disease. Experiments with chemical remedies were 

 without good results. The use of Marmorek's serum, however, gave good results in 

 nearly all cases. The serum was injected in doses of from 10 cc. to 40 cc, and pro- 

 duced a lowering of the temperature and other observable improvement within a 

 short time. 



The treatment of morbus maculosus with the serum of contagious coryza 

 streptococcus, O. Sommermeyer {Dent. Tltlerarzil.Wckn.idir., 10 {1902), No. 13, p. 

 123). — In the treatment of this disease quite unsatisfactory resvalts were obtained 

 from intravenous injections of colloidal silver preparations. A test was therefore 

 made of a contagious coryza streptococcus serum recommended by Piorkowski. In 

 applying this treatment, 10 cc. of immune serum was injected subcutaneously, and 

 immediately afterwards 20 cc. of normal serum intravenously. As the result of this 

 treatment the temperature was lowered, the appetite reappeared, and complete 

 recovery took place within 10 days. 



Contagious coryza and certain analogous diseases, Cagny {Rec. Med. Vet., 

 Fari.i, S. .scr., 9 {1902), No. 2, p]i. 40-44)- — The author states that in his immediate 

 neighborhood contagious coryza is gradually becoming less fre(j[uent. Two other 



