VETERINARY SCIENCE AND PRACTICE. 1025 



reported in this thesis were to determine the structure and condition of the blood of 

 healthy horses and of horses which are suffering from various diseases. Notes were 

 given on the technique employed in this investigation and on the size, appearance, 

 and relative proportion of red corpuscles and 5 varieties of leucocytes which were 

 observed, viz, lymphocytes, large mononuclear leucocytes, i>olynuclear leucocytes, 

 eosinophilous and mast cells. The variations in the number of these elements in 

 different diseases are presented in tabular form. 



Observations on rabies in the district of Habelschwerdt, C. Wittlixger 

 {BerUn. Thlerarztl. Wchnschr., 1902, No. 30, j)}). 449-4o3). —XhrM historical account 

 is given of rabies in this district and notes are presented on the cases which have 

 been observed in man and animals. A copy is given of the laws which are in force 

 in this district for preventing the spread of the disease. 



Antirabies vaccinations in St. Petersburg, V. Kkaioichkink {Ardt. Sci. Biol. 

 [St. Peter.^hurg], 9 {1902), Xu. 3, pp. .^JZ-.J^^).— Statistical notes are given on the 

 number of persons bitten by presumably rabid dogs and other animals, and on the 

 results of antirabies vaccinations. Notes are also presented on the number of ani- 

 mals suspected of Ijeing affected with rallies. The mortality among patients treated 

 by the Pasteur method was 0. IS per cent. 



Vaccination of dogs for distemper, H. Meyer {Berlin. Thimirztl. ]]'clnischr., 

 1902, Xo. 4o, p. 678). — According to the author the antidistemper serum manufac- 

 tured by the Jenner Institute in London has given excellent results in his practice, 

 in preventing the development of distemper in young dogs. 



Alopecia areata pigmentosa in dogs, V. S. Trofimov {Arch. Vet. Xauk, Si. 

 Pefrr.<<burfj, 32 {1902), Xo. 11, pp. 921-930, pth. .5).— Detailed notes are given on the 

 etiology and pathological histology of this disease. 



The action of ticks upon animal blood, P. (Jrutzxer {Dent. Mul. ]Vclnii^rhr., 

 28 {1902), Xo. 31, p>P- 555, 556). — A study was made of the changes undergone by 

 the blood of dogs in the body of I.vodex ricimi.^. It was found that the oxygen is 

 removed from the arterial blood and that the red blood corpuscles are completely 

 dissolved, thus setting free the coloring matter. 



The tapeworms of ruminants, N. KnoLonKovsKi {Arch. Fardnit., 6 {1902), Xo. 

 1, pp. 145-148, pi. 1, fiy. 1). — Brief anatomical and descriptive notes on certain spe- 

 cies of tapeworms which infest ruminants. 



Observations on fowl plague, Kuxxemaxx {Deul. Thlerarztl. WcJt7i.schr., 10 {1902), 

 Xos. 43, Pit. 413-415; 44, jij}. 421-424). — Opportunity was had by the author to study 

 a number of outbreaks of fowl plague. It appears that the disease has now been 

 observed in a number of different localities in Germany, and in some of these out- 

 breaks there is no evidence of importation of the fowls from Italy or other localities 

 Avhere the disease was previously known to exist. The symptoms are not very uni- 

 form, but the course of the disease is almost always exceedingly short. Death 

 occurred in the majority of cases after 3 or 4 days. Frequently the comb and wat- 

 tles exhibited a bluish red color after death. Usually an exudate was observed in 

 the body cavity, and the vital organs in almost all cases were affected with more or 

 less serious alterations. The author found it impossible to i-solate any micro- 

 organism which could be considered as the pathogenic cause of the disease. This 

 plague is believed to ))e identical with the disease previously descril)ed as cyanolo- 

 phia. Pigeons were found to be immune. Transmission experiments with ducks 

 also gave negative results. White mice, guinea pigs, and rabbits proved refractory. 

 Chickens, however, are susceptible to inoculation and to infection by way of the 

 alimentary tract. The virus is destroyed by decomposition within a short time, 

 l^rovided the carcasses of affected fowls are opened. In intact carcasses, however, 

 the virus remains virulent for at least 28 days. The virus is only moderately resist- 

 ant to heat and is readily destroyed by carbolic acid or corrosive sul)limate. The 

 author successfully disinfected poultry houses by the use of milk of lime. 



