502 EXPERIMENT STATION RECORD. 



The virulence of apparently intact mammary glands from tuberculous 

 cows, H. MARTELand G. Guerin (Rev. Soc. Sci. Hyg. Aliment., 2 (1905), No. 2, pp. 

 153-158). — A careful study was made of mammary glands from tuberculous cattle 

 for the purpose of determining the presence or absence of tubercle bacilli in these 

 structures. 



During the investigations carried on by the authors the mammary glands taken 

 for study showed quite varying conditions. In some cases lesions were present 

 which did not appear to be tuberculous, in others the gland was affected with a 

 streptococcic mammitis; and in still other cases the mammary glands were not 

 affected but the adjacent lymphatic glands showed tubercles. In a few cases neither 

 the mammary glands nor the lymphatic glands showed visible lesions. Material was 

 taken from all of these glands and used in inoculation experiments. 



The results obtained show conclusively that the mammary gland of tuberculous 

 cattle may be infectious at any stage of the disease. The importance of this conclu- 

 sion can not be easily exaggerated since it is thus apparent that the milk of all tuber- 

 culous cattle should be excluded from use in order to prevent the distribution of 

 tuberculosis by this means. 



The transmission of tuberculosis throug-h the medium of milk and its pre- 

 vention, C. W. Strange (Iowa Agr., 6 (1905), Xo. 2, pp. 53-56).— The possibility 

 of transmission of tuberculosis through the agency of milk is briefly discussed and 

 iK >tes are given on the conditions under which tubercle bacilli may be present in milk. 

 Milk from tuberculous cows, G. Moussu (Com pi. Rend. Soc. Biol. [Paris], 

 58 (1905), No. 7, [>i>. 310-312).— A careful test of the virulence of the milk of tuber- 

 culous cows was carried out on 5 calves, 2 of which became tuberculous after being 

 fed on the tuberculous milk; the other 3 did not react to tuberculin and showed 

 no tuberculous lesions although fed for 5 to 6 months on tuberculous milk. The 

 author considers that his experiments indicate clearly the danger of using the milk 

 of tuberculous cows. 



Tuberculosis of the elbow joint in cattle, E. Wyssmann (Wchnschr. Tierheilk". 

 u. Viehzucht, 49(1905), Xo. 8, pp. 113-115).— A recent study has shown that the 

 tuberculous infection of the elbow joint in cattle is of comparatively frequent occur- 

 rence. Brief notes are given on the lesions observed in such cases and on the rela- 

 tion between tuberculosis of the joints and infection by this disease of other parts 

 and organs. 



A variety of zoog-leic tuberculosis and its relation to pseudog-landers, J. 

 Cagnetto [Ann. List. Pasteur, 19 (1905), Xo. 7, pp. 449-476, pi. 1, fig*. 3).— The 

 literature relating to various forms of pseudotuberculosis is critically discussed in con- 

 nection with bibliographical references. 



The author made a study of a form of zoogleic tuberculosis, which closely resem- 

 bles the usual type of pseudoglanders. The organism obtained from these cases 

 produced orchitis or vaginitis when inoculated into guinea pigs. The disease appeared 

 among laboratory guinea pigs which otherwise appeared healthy and showed no 

 signs of disease until shortly before death. Upon post-mortem examination, numer- 

 ous purulent nodules of varying size were found in the liver, spleen, various portions 

 of the serous membranes, and on the wall of the intestines. The nodules were quite 

 rare in the lungs. The contents of the nodules were of a bluish-white color and 

 almost fluid consistency. 



A detailed discussion is jiresented of the behavior of the organism obtained from 

 these nodules when grown in various artificial media. The organism was found to 

 be virulent for the guinea pig, pigeon, and white mice, while the rabbit, chicken, 

 cat, and dog were strongly resistant to ordinary doses. The author discusses the 

 relationship between this organism and other related organisms which cause other 

 forms of pseudotuberculosis. Apparently, it belongs to the group Pseudotuberculosis 



