882 EXPERIMENT STATION KECOKD. 



common pig and 10 species of native animals, Tiiey are inclined to the belief 

 that, at least so far as these indigenous forms of mammals are concerned, the 

 presence of these bodies, though possibly parasitic in nature, has no patholog- 

 ical significance. 



Concerning' Anaplasma marginale, — A contribution to the knowledge of 

 Texas fever and " galziekte," H, Sieber {Berlin. Tierdrztl. Wchnschr., 26 

 {1910), Xo. 50, pp. 993-9DS, figs. 6; abs. in Jour. Compar. Path, and Ther., 24 

 {1911), pp. I.'i6, l-T'). — The author, after briefly reviewing the literature on the 

 subject, describes the course of the disease in 2 animals experimentally infected, 

 one of which terminated fatally. 



Transmission of amakebe by means of Rhipicephalus appendiculatus, 

 the brown tick, A, Theileb {Proc. Roy. Soc. London, Ser. B, S'^ {1911), No. 

 3. 569, pp. 112-115). — The author finds that amakebe of Uganda is identical 

 with East Coast fever of South Africa and that it is transmitted by R. appendic- 

 ulatus, which is common in Uganda, 



The capybara as a reservoir for the virus of nial de caderas, L. E. Migonb 

 {Bui. Soc. Path. Exot., 3 {1910), No. 8, pp. 52Ji, 525; abs. in Sleeping Sickness 

 Bur. [London] Bui., 2 {1910), No. 22, p. JflS). — In Paraguay epidemics of mal 

 de caderas in horses are frequently preceded by an excessive mortality of the 

 carpiucho, or capybara {Hydrochoerus capibara), a large rodent which fre- 

 quents the water. In a previous account, Elmassian and the author reported 

 an epidemic among dogs that had hunted and eaten capybaras (E. S. R., 16, 

 p. 716). In an investigation conducted by the author during the course of 

 an epizootic among capybaras in April, 1910, in which paralysis of the hind- 

 quarters was the predominant symptom, trypanosomes were found in their 

 blood for the first time. Monkeys {Nictipithccus felinus) injected with blood 

 from capybaras showed trypanosomes on the fifth day and died on the seven- 

 teenth day with the same symptoms as observed in the capybaras. The manner 

 of conveyance of the infection from capybaras to horses was not determined. 



Hematological studies of dogs experimentally infected with surra, A. Lan- 

 FRANCHi {Clin. Vet. [Milan], Ses. Sci., 33 {1910), No. 4-6, pp. 218-2^0; abs. in 

 Sleeping Sickness Bur. [London] Bui., 2 {1910), No. 21, pp. 376, 577),— Studies 

 of the blood of dogs experimentally infected with Trypanosoma cvansi are re- 

 ported, A bibliography of 23 titles is appended to the account. 



On the occurrence of an intracellular stage in the development of Try- 

 panosoma lewisi in the rat flea, E. A. Minchin and J. D. Thomson {Brit. 

 Med. Jotir., 1911, No. 26Jf2, pp. 361-36Jf). — A preliminary note, in which the 

 authors report having found that in the early phases of the developmental 

 cycle the rat tryi^anosome penetrates into the cells of the epithelium lining of the 

 stomach (midgut) of the flea, and there goes through a process of multiplication. 

 The coyote as a host of Multiceps multiceps, M. C. Hall {Abs. in Science, 

 n. ser., 33 {1911), No. 860, pp. 915, 916). — In order to determine whether the 

 coyote carries the adult gid tapeworm, the larval M. multiceps obtained from 

 the brain of a giddy sheep was fed on April 4, 1911, to 2 coyotes, each animal 

 receiving about one-half of the cyst. 



" One coyote was found dead the morning of April 10. Post-mortem examina- 

 tion showed death to be due to septicemia. The entire length of the small in- 

 testine showed severe ecchymotic hemorrhage. Fifty-two heads of M. multiceps 

 were recovered from the intestinal contents. A comparison of these worms 

 after 6 days' development with some recovered from a dog after 10 days' 

 development shows the worms had established themselves and were developing 

 normally. They were still very small but there is no reason to suppose that 

 they would not have developed to maturity if the coyote had lived. 



