924 EXPERIMENT STATION RECORD. 



Extreme susceptibility of Arctic animals to tuberculosis, C. French i Amer. 

 Vet. Rev., 28 I 1904), No. 1, p. 41). — Attention is called to the fact that Arctic animals 

 are peculiarly susceptible to tuberculosis. The author relates his experience with 20 

 wild swans (Olor eolumbianus) imported from the Arctic regions. These birds were 

 subsequently sent to Europe, where they rapidly succumbed to tuberculosis. 



Cow-pox lymph and tuberculosis, A. Carini {Centbl. Bakt. u. Par., 1. AbL, 

 Orig., 37 (1904), No. 2, />i>. 261-270). — It is commonly considered that there is con- 

 siderable danger of transmitting tuberculosis by means of lymph obtained from 

 tuberculous cattle. 



The author made a thorough study of this question, during which it was found 

 that tubercle bacilli when placed in such lymph and kept at a temperature of 10 to 

 12° C. retain their virulence for at least 3 months, as shown by inoculation experi- 

 ments with guinea pigs. The tubercle bacilli, however, gradually became attenuated 

 under the influence of the glycerin in the lymph. Under ordinary conditions, how- 

 ever, it is concluded that the danger of the transmission of tubercle bacilli in lymph 

 is very slight, since the lymph which comes from tuberculous cattle does not contain 

 tubercle bacilli. Nevertheless, the author recommends that the precaution of not 

 using tuberculous cattle for the production of lymph be still continued. 



Tetanus cured by the method of expectant treatment, Bergeon {Rev. Vet. 

 Toulouse, 29 (1904), No. 11, pp. 737-739). — Notes are given on a case of tetanus in a 

 colt. The infection occurred through a castration wound. The author did not 

 administer antitetanus serum or other specific treatment for tetanus, but merely 

 combated the symptoms as they arose and administered nutriment per rectum. A 

 perfect recovery took place. 



The action of anthrax bacilli upon the toxin of tetanus, M. Garnier and 

 G. Sabareanu (Compt. Rend. Soc. Biol. [Paris], 57 {1904), No. 27. pp. 203, 204).— 

 The authors made a study of the effects of various micro-organisms upon toxins pro- 

 duced by other species. Particular attention was given to the effect of anthrax 

 bacilli upon tetanus toxin. 



It was found that tetanus toxin in which anthrax bacilli were cultivated became 

 greatly attenuated after 12 to 14 days in an autoclave. The loss of the specific power 

 of the toxin is not accompanied, however, with a loss of the injurious effects in 

 experimental animals. It was found during these experiments that tetanus toxin 

 which had entirely lost the power of producing tetanus was still capable of killing 

 guinea pigs. 



Vaccination of sheep for anthrax, O. Bail (Centbl. Unit. u. Par., 1. AbL, Orig., 

 37 ( 1904), No. 2, pp. 270-280). — The method of immunization employed by the author 

 consisted in the use of the lysin of the anthrax bacillus which was obtained from the 

 sterilized fluid in the anthrax edema. 



The use of this lysin is supposed to produce a corresponding antilysin in the body 

 of the treated animal and thereby to confer immunity. Experiments in rabbits and 

 sheep showed that these animals were in, a large percentage of cases rendered immune, 

 and that their serum in turn was capable of immunizing normal animals. This 

 method differs from those previously employed in that living bacilli are not employed 

 for inoculation. 



Immunization against anthrax by the use of virulent cultures, J. A. (fn- 

 ruth {New Zealand I)ej)t. Ayr., Div. Vet. Sci. Bui. 7, pp. 13). — In a series of experi- 

 ments which the author carried out on guinea pigs and other animals it was found 

 that guinea pigs, rabbits, and sheep may exhibit a complete resistance to inoculation 

 with large doses of virulent anthrax bacilli if these organisms are mixed with a larger 

 quantity of another organism which is not pathogenic to the animals in question. 



Death from anthrax is frequently delayed when the organism mixed with the 

 anthrax is slightly pathogenic. The anthrax bacillus must be mixed with the other 

 organism since if they are injected simultaneously in different parts of the body no 



