VETERINARY MEDICINE. 587 



duction of immunity toward hog cholera must remain a matter of uncertainty, 

 constantly subjected to the interrupting influences of unknown factors. If 

 B. cholerce suis is a species distinct from the filterable virus of Dorset and 

 others, then there is truly opened a wonderful field in bacteriology as related to 

 animal pathology, involving the associative action, the symbiotic relations of 

 several pathogens and the common host." 



Infectious pneumonia of the horse, F. G. Edwards (Vet. Rec, 22 {1910), 

 \o. 1122, pp. Jf63--'t61). — A genei'al account is given of this disease which has 

 been known in Europe for some time, particularly in France, Germany, and 

 Russia, where it is both epidemic and endemic. Within the last 2 years, several 

 large and valuable hunting, racing, and breeding studs in England have been 

 affected. 



Ensilage poisoning' in horses, L, C. Beaumont {Mo. Valley Vet. Bui., Jf 

 {1V09), Xo. 7, pp. 30-32). — Several cases are reported in which horses were 

 poisoned through being fed moldy ensilage. Cattle fed on ensilage from the 

 same source were not affected. 



Sulphur poisoning in horses, H. W. Percy {Vet. Jour., 66 {1910), No. Jflo, 

 pp. 29-31). — An account of poisoning of horses by sulphur. The author con- 

 siders sulphur vei-y poisonous if given in quantities larger than 8 oz. 



Vaccine therapy and the treatment of follicular mange, A. E. Mettam 

 {Vet. Jour., 66 {1910), No. .',1.5, pp. 33-37; Vet. Rec, 22 {1909), No. 1118, pp. 

 390, 391). — Having concluded from observations that the domodicos were not 

 the chief cause of lesions and that possibly staphylococci might be. experiments 

 with staphylococcus pyofjcncs alhns were conducted. Cultures grown upon agar 

 were washed off with physiological salt solution and sterilized at a temperature 

 of 56° C. for 1 houi". Injections of the staphylococci are said to have resulted 

 in the recovery of the affected dog. 



A new view of the pathology of rabies, D. Konradi {Orvosi Hetilap, 52 

 {1908). No. 31, pp. 571-573; abs. in Vet. Rec, 21 {1909), No. 1080, p. 630).— 

 The author states that he has conducted experimental investigations which 

 prove that the virus of rabies is transmitted from the mother to the fetus. It 

 is, however, ti-ansmitted in an attenuated condition, and for this reason, further 

 inoculations of other animals show a progressive lengthening of the period of 

 incubation. 



He was able to demonstrate the virus of rabies in young animals born during 

 the period of incubation of the disease in the mother, when the mother's disease 

 remained latent for 9 days after the birth of the offspring. Thus the virus was 

 circulating in the maternal blood and affected the young by the placental circu- 

 lation 9 days before the appearance of fever, the first manifest symptoms of 

 experimental rabies, in the mother. 



From these results it appears that the bite of a dog can be dangerous from 

 G to 8 or even 13 days before the appearance of symptoms characteristic of 

 rabies. 



Nodular taeniasis, or tapeworm disease, of fowls, G. E. Gage and C. L. 

 OPPERMAN {Maryland Sta. Bui. I.i9, pp. 73-85. figs. 'i). — This bulletin gives an 

 account of the life history of the parasite and of the treatment which was 

 found most effective, and records observations of the outward symptoms and 

 post-mortem findings of 14 aft'ected fowls examined during an outbreak at the 

 Maryland Station and the surrounding country in 1908. Nodules were found 

 tilong the outside walls of the intestinal tract with tapeworms attached at each 

 nodular spot, within the intestines. Two worms were isolated from infected 

 birds and identified as Drepidotdenia infundibuliformis and Davainia {Tcenia) 

 tetragona. 



35128— No. 6—10 7 



