382 EXPERIMENT STATION RECOED. 



horses of Australian origin. The disease occurs only in hot and rainy weather 

 and disappears entirely In cold weather. The hair breaks off leaving bald scaly 

 patches somewhat like those which occur in ringworm. An examination of the 

 hair on diseased areas revealed fhe presence of large numbers of minute highly 

 refractive bodies in the substance of the hair. These bodies resist the solvent 

 action of hot caustic potash and stain readily with basic anilin dyes. 



The nervous form of distemper in dogs, Ohler (Wchnschr. Tierheilk. u. 

 Viehziicht, 51 {1901), No. 21, pp. ^Oi-JO'/). — For many years text-books have 

 contained descriptions of the symptoms of nervous distemper in dogs In which 

 nervousness appears in advance of any other lesions or symptoms which char- 

 acterize distemper. According to the author's investigations the term nervous 

 distemper is perhaps a misnomer. In no Instance was he able to ol)serve any 

 nervous condition in advance of other symptoms of distemper and connected with 

 this disease. In all cases in which pronounced nervousness, comparable with 

 the symptoms so described for nervous distemper, occurred, it was more easily 

 explained as due to other causes. 



The diagnosis of rabies from the standpoint of veterinary police ■work, 

 LuBKE (Berlin. TierdrzU. ^V(■1nl■sclll•., 1901. Ao. 21. pp. Jil5-.',20). — Statistics are 

 given regarding the prevalence of rabies in various parts of Europe with pax'- 

 ticular reference to some of the more serious outbreaks of the disease. Even 

 during the progress of these serious outbreaks, but particularly at times when 

 the disease occurs only sporadically, there are many individuals who doubt the 

 existence of the so-called dumb foriii of the disease and, therefore, give protec- 

 tion to affected dogs which are largely responsible for the spread of the disease. 

 A number of instances are mentioned in which such dogs have occasioned the 

 wide distribution of rabies. 



Negi-i corpuscles and their relation to rabies, V. Babes (Ztsclir. Hmi. it. 

 Itifektionskranlc, 56 {1901), No. 3, pp. Ji35-i52^ ph. 2). — On the* basis of his 

 experiments with rabies the author comes to the conclusion that certain minute 

 corpuscles, which appear in cases of rabies and which may be stained black or 

 blue by the method of Ca.ial-Giemsa and are exclusively found in the cytoplasm 

 of disintegrated nerve cells, are the parasitic organisms of rabies in an active 

 condition. Negri corpuscles, on the other hand, are not always present and 

 are evidently not closely enough associated with the progress of rabies to be 

 considered the active cause of the disease. They appear to be encapsulated 

 forms of the rabies organism in a process of involution or transformation. 

 Possibly they are the result of an intense local reaction of the tissues against 

 the presence of the rabies parasites. 



Negri corpuscles in the salivary glands of rabid dogs, Elise Stefanescu 

 (Compt. Rend. Soc. Biol. [Paris], 62 {1901). No. 11, pp. SS6-888).—A consid- 

 erable number of investigators have already demonstrated the presence of Negri 

 bodies in different parts of the nervous system. On account of the extreme 

 virulence of the saliva of rabid animals the author made a study of the sali- 

 vary glands in order to determine whether Negri corpuscles occurred in these 

 structures. Negri bodies were found in the parotid glands. In demonstrating 

 these bodies the author fixed small pieces of tissue in formaldehyde and sec- 

 tioned them upon tlie freezing microtome. 



Spontaneous recovery of dogs from rabies and the persistence of the 

 virus in the saliva, P. Remlinger {Bid. Soc. Cent. Med. Yet., S.'/ {1901), 

 No. 10, pp. 269-215). — It has long been known that rabid dogs and other ani- 

 mals may recover from the disease. It has been believed, however, that the 

 virus is not virulent after recovery. The author cites a case in which the virus 

 was extremely virulent for some time after recovery from the disease. 



Antirabies serum, P. Remlinger {Compt. Rend. Soc. Biol. [Paris], 62 {1901), 

 No. 18, pp, 961-963). — The activity of serum is not proportional to the quantity 



