188 EXPERIMENT STATION RECORD. 



Studies on the spirochetosis of fowls caused by Spirochaeta gallinarum 

 (Somaliland virus). A property of the virus from young chickens, L. 

 Blaizot iCompt. Rend. Soc. Biol. [Parish, 68 (1910). No. 2. pp. 29-31, chart 1).— 

 A continuation of investigations (E. S. R., 22, p. 189). 



The adaptation of nematode parasites to the host's temperature, L. Jammes 

 and A. Martin (Compt. Rend. Acad. Sci. [Parish. 150 (1910), No. 7, pp: JilS, 

 4^9). — Investigations made to determine the temperatures most favorable to the 

 •development of eggs of different species of nematodes led the author to divide 

 them into 3 classes, namely, those in which the embryos can only be formed at a 

 temperature lower than that of the body of the host, those in which the embryos 

 are formed at the temperature of the body of the host as well as at lower tem- 

 peratures, and those in which the embryos are formed normally at the tempera- 

 ture of the host's body. 



The relation of Cysticercus fasciolaris to hepatic sarcomata, Bridke and 

 CoNSEiL (Alis. in Vet.' Rec, 22 (1910), No. 1126, p. 526).— Five of 2.000 wild 

 rats examined by the authors were found to be affected with primary sarcoma 

 of the liver, and 4 contained Cysticercus fasciolaris, the cysticercal form of 

 Twnia crassicollis. In 3 of the 4 cases the cysticercus inclosed in the sarcoma 

 was the only one found in the organs. In the fourth case one additional cys- 

 ticercus was present in the liver apart from the sarcoma. The authors think 

 that the cysticercus acts as the inoculating agent of a virus and thus indi- 

 rectly causes neoplasmata. 



Ratin I and II and the position of the ratin bacillus in the Gartner group, 

 Xylander (CenthJ. Bakt. [etc.], 1. AM., Orig., 52 {1909), No. J,, pp. ^.55--}68).— 

 The author found that the cultural characters of the ratin bacillus and a large 

 number of bacilli belonging to the Giirtner group were similar and he concludes 

 that this organism should be included in the group. Ratin II, a proprietary 

 substance designed for the destruction of rats, claimed to be a bacterial culture, 

 the author found to be devoid of bacteria and largely composed of an extract 

 of squills. 



The influence of copper salts on micro-organisms and their importance 

 for disinfection purposes, P. Martens (Pure Products, 6 {1910). No. 3, pp. 

 136-139) .—This is a brief review of the subject. 



1 The action of morphin upon leucocytes, Achard, Benard. and Gagneux 

 (Abs. in Vet. Rec, 22 (1910), No. 112H, p. 55.)). — It is reported that when hypo- 

 dermically injected morphin reduces the resistance and activity of the leu- 

 cocytes for a short time. Heroin produces effects on the leucocytes comparable 

 to those of morphin, but corpuscles acted upon by heroin retain a normal sus- 

 ceptibility to morphin. 



Scopolamine as an auxiliary to chloroform, G. M. Iliesco (Arhiva Vet., 

 6 (1909), No. 6, pp. 315-J,02, figs. 15; abs. in Vet. Rec, 22 (1910), No'. 113',, pp. 

 647, 61f8). — An article upon scopolamine with special reference to its adjuvant 

 action in chloroform anesthesia. Physiological experiments are reported. 

 . An electrical fever recorder, A. Gradenwitz (Sci. Amer., 102 (1910) No. 11, 

 p. 222, figs. 3).— "The apparatus is based on a very simple principle, namely, 

 the alteration in the electrical resistance of platinum wire by variations in 

 temperature. It comprises, in addition to a coil of platinum wire, a Wheatstone 

 l)ridge and a self-recording millivoltmeter. The platinum coil is either intro- 

 duced into some of the cavities of the body or fixed on the body. A double 

 conductor of low resistance connects the coil with the bridge and millivoltmeter, 

 which records any variations in the resistance of the platinum wire, and accord- 

 ingly the temperature of the body. The current required to feed the apparatus 

 is supplied by a small storage battery of 4 volts, the gradual drop in tension 

 being compensated for in a simple manner by means of a testing and regulating 

 resistance, with coarse and fine adjustment." 



