vp:terinary science and practice. 285 



found that the epithelium becomes elevated, so that the funjjiform papilhe appear to 

 be sunken in small depressions. This character is considered of diagnostic value for 

 foot-and-mouth disease. 



Study of a case of pneumonia of calf, F. D. Chestek {Delaware Sta. Hpf. 1900, 

 pp. 46-52, fi(ji<. 2). — A rt'iMjrt is made on a case of pneumonia in a calf, with a detailed 

 statement of post-mortem findings and cultural and pathogenic properties of the 

 organism which was isolated from diseased tissue. This organism was found upon 

 inoculation to l)e pathogenic to guinea pigs and rabbits. A guinea pig and a calf 

 were inoculated Ijy inhalation of a fine mist containing the organism. 



DifiEerential diagnosis of contagious pleuro-pneumonia, F. Haiitmann {Ber- 

 lin Thieriirzll. Wchnschr., 1901, Xo. 5, pp. 65-67) .—The author describes from cases 

 which occurred in his practice the detailed pathological changes which are consid- 

 ered to be characteristic in diagnosing this disease. 



Pneumonia and inoculation against this disease, Reinlander {Ztschr. Veter- 

 indrk., 13 {1901), Xo. 2, pp. 53-62) .—T\\^ author describes the symptoms of this dis- 

 ease and the circumstances of a severe outbreak which occurred in army horses. A 

 number of experiments were tried in protective inoculation, without very promising 

 results. The author concludes that the inoculation method thus far employed will 

 probably not yield favorable results until the organism of the disease has been iso- 

 lated and studied. 



Stoppage of the milk duct in the teat audits treatment, M. Strebel {Schwdz. 

 Arch. Thierh., 43 {1901), Xo. 1, pp. 12-18). — This condition maybe congenital or 

 may be due to mechanical injuries. When the duct is closed by thin membranes, it 

 may be safely opened by the use of the probe. The author discusses the conditions 

 which determine the most practical treatment to be adopted in different cases. 



Experimental transmission of Texas fever, Ligxieres {Rec. Med. Vet.., Paris, 

 8. ser., 7 {1900), Xo. 23, pp. 118-180). — The author conducted extensive experiments 

 with Texas fever in Argentina. It was found impossible to inoculate experimentally 

 the horse, ass, sheep, pig, dog, cat, rat, mouse, and domestic fowl. A number of forms 

 of the disease were noted in cattle inoculated experimentally, and the peculiar features 

 of cluneal symptoms and pathological lesions in these forms are described in detail. 

 In this connection the author made numerous counts of blood corpuscles and recorded 

 the variations in number of red blood corpuscles and in the body temperature dur- 

 ing the progress of the disease. The tick which is instrumental in transmitting Texas 

 fever in Argentina is called Rhipicephalus annulaius microplus. The author describes 

 minutely the external form and anatomy of this tick in its different stages. Experi- 

 nlents were made in producing Texas fever experimentally by infestation with ticks 

 taken from diseased animals. In one case the disease was thus produced by ticks 

 from an animal which was apparently healthy. The author discusses the various 

 objections which have been raised against the theory concerning the agency of ticks 

 in spreading Texas fever. 



Experiments conducted for the purpose of determining whether Texas fever could 

 be transmitted through the agency of certain flies gave negative results in all cases. 

 The author describes the geographical distribution of the disease in Argentina, and 

 discusses in a brief section the importance of the disease to the cattle industry. Since 

 Texas fever is most commonly confounded with anthrax, a parallel table is given 

 showing the characteristic symptoms of the 2 diseases. Experiments in the use of 

 quinin in treating Texas fever showed that this substance is without true curative 

 value for this disease. 



The author reviews the literature concerning the methods of destroying the cattle 

 ticks and methods of producing immunity in susceptible animals. A number of 

 experiments in blood inoculation for the purposes of produc-ing immunity gave good 

 results. The author concludes that the disease is transmitted only by the agency of 

 ticks, and that preventive vaccination may be successfully carried out, although 



