480 EXPERIMENT STATION RECOED. 



An ecMnostome from the intestine of the hog, Joak Citjbea (Centbl. Bakt. 

 [etc.], 1. AM., Oriff., 75 {1915), No. 5-6, pp. 392-394, fig- i).— The author de- 

 scribes Echinochasmus perfoliatus, four adults of which VN'ere found in the 

 intestines of a young pig which had been fed for two months upon fish ( Caras- 

 sius carassius). This species liad been previously found in Hungary in the 

 intestines of dogs and cats. 



A veterinary dissection guide. — I, The joints, muscles, and viscera of 

 the horse, S. Sisson (Columbus, Ohio: Author, 1915, 2. rev. ed., pp. YI+55). — 

 The changes in this second edition of the work previously noted (E. S. R., 26, 

 p. 373) are chiefly those made necessary to adapt it for use in connection with 

 the author's work on The Anatomy of the Domestic Animals (E. S. R., 32, p. 78). 



Epizootic laryngo-tracheal catarrh of the horse, G. Fixzi (Ann. Ig. Sper., 

 n. ser., 24 (.1914), Ko. 4, pp. 655-611, fig. i).— The author concludes that this 

 affection is due to a noncultiva^le filterable virus. 



[Studies of the causative organism of epizootic lymphangitis], L. Ni:GRE 

 and A. Boqvet (Dul. Soc. Path. Exot., 7 (1914), ^o. 6, pp. 464-466, figs. 10; 8 

 (1915), Nos. 2, pp. 49-52, figs. 6; 5, pp. 248-2.50; abs. in Trap. Yet. Bui., 2 (1914), 

 No. 3, p. 152; 3 (1915), Nos. 2, pp. 71, 72; 3, pp. Ill, 112).— The authors' studies 

 deal, respectively, with the blastomycotic nature of Cryptococcus farciminosus, 

 its cultivation, and development in the horse. 



Trypanosoma marocanum n. sp., the cause of an epizootic among horses at 

 Casablanca in 1911, E. Sergent, A. LhiSritieb. and G. Belleval (Bui. Soc. 

 Path. Exot., 8 (1915), No. 7, pp. 433-43S). — The trypanosome here described 

 (T. marocanum) has been sliown by cross immunity exijeriments to be distinct 

 from T. berherum, T. equipcrdum, and T. soudanense. Horses attacked by it 

 generally succumb in some weeks, goats were found to be susceptible but recov- 

 ered, and dogs died in about two months. 



The comparative pathology of the tracheal and bronchial lesions produced 

 in man by B. pertussis (whooping cough) and those produced in dogs by 

 B. bronchisepticus (canine distemper). L. J. Kiiea (Jour. iltd. Research, 32 

 (1915), No. 3, pp. .'/Ti-^T.'/). — The aullior considers it most probnble that dogs 

 will be found to be carriers of Bacillus bronchi.<tepticus, as has been demon- 

 strated for guinea pigs. " When the respiratory system of animals liable to 

 harbor B. bronchisepticus is exiierimentally Inoculatixl witli B. pcrtus.'iis, the 

 accompanying irritation might be followed by acute symptoms resulting from 

 B. bronchisepticus already present and not from B. pcrtu.'^sis injected." 



Frequency of occurrence of tumors in the domestic fowl, Maynie R. Curtis 

 (U. S. Dept. Agr., Jour. Agr. Research, 5 (1915), No. 9, pp. 397-404) .—Thi^ 

 record of the frequency of occurrence of tumors in the domestic fowl (Gallus 

 domcsticus) is based upon data collected during 8 years' routine autopsy work 

 at the Maine Experiment Station. 



Tlie cliief points brought out by an analysis of these data are summarized by 

 the author as follows : " Of the 880 birds autopsied 79, or 8.96 per cent, had 

 tumors. That is, there were 90 cases of tumors per 1,000 birds. There was no 

 significant difference in frequency of occurrence of tumors between birds which 

 died from natural causes and apparently normal birds which were killed. 

 There is a significant positive correlation between age and the occurrence of 

 tumors. Only 7.37 per cent of tlie birds under 2.2.5 years had tumors, while 

 neoplasms were present In 19.17 per cent of those that were over that age. In 

 birds with tumors which died from natural causes, the tumors wore directly 

 or indirectly tlie probable cause of death in fi'om one-third to one-half the cases. 



"There was a decided tendency for the association of hypertrophied (appar- 

 ently due to cell infiltration) liver, spleen, or kidney with tlie presence of tumors 



