1020] VETERINARY MEDICINE. 79 



acid had about the same strength as boric acid, and salvarsan about six times 

 its strength. 



Hydrogen peroxid headed the list of disinfectants arranged according to their 

 relative disinfecting power, while salvarsan, phenol, sodium salicylate, and 

 Kodium perchlorate came at the end of the list. 



Arranged according to the relative cost, formalin, naphthol, and lysoform were 

 among the most inexpensive, and lysol and phenol the most expensive. 



Flavin and its uses in veterinary practice, C. A. Zell {Amer. Jour. Vet. 

 McfL, 15 (1920) :Xo. 4, pp. 144-147). — The author reviews briefly the studies of 

 Browning, Gulbransen, et al. (E. S. R., 41, p. 188) on the value of acriflavin 

 and proflavin as antiseptics, and reports the general results obtained in labo- 

 ratory and field experiments in the application of these antiseptics to veterinary 

 practice. 



As proflavin in the laboratory tests proved to have stronger bactericidal 

 powers for some of the common pathogenic organisms and acriflavin for 

 others, a preparation containing both dyes was used in the field tests. Ex- 

 cellent results are reported with flavin treatment in a number of cases of sup- 

 purating wounds fistulse, hemorrhagic septicemia, purpura hemorragica and 

 pleural pneumonia. In the case of wounds abscesses etc., the affected places 

 are packed with gauze saturated with the flavin solution. In cases of septi- 

 cemia and other diseases of infectious origin, the antiseptic is injected intra- 

 venously in 1 : 1,000 dilution in normal salt solution. 



, The action of gum acacia on the circulation, W. M. Bayliss (Jour. 

 Pluirmucol. and Expt. Ther., 15 {1920), No. 1, pp. 29-74, fm. 6).— This is a dis- 

 cussion of various probleius concerned with the action of gum acacia on the 

 circulation for the purpose of raising a low arterial pressure, as previously 

 noted (E. S. R., .36, p. 677). 



It has been found that a 6 or 7 per cent solution of gum acacia in 0.9 per 

 cent sodium chlorid can replace the blood lost through hemorrhage from various 

 causes, unless the loss amounts to more than 75 per cent of the blood volume. 

 Its effect is considered to be due to the impermeability of the blood vessels to 

 colloids, resulting in the retention of the solution which has been injected. 

 Since it has no chemical or drug-like action it can be used in large quantities. 

 Other conditions in which it can be used with benefit are ca.ses of wound shock, 

 traumatic toxemia, loss of fluid from the blood in certain morbid conditions, 

 cases in which intravenous injections are ineffective, in acidosis, and for per- 

 fusion of organs. 



Experiments are cited which indicate that gum acacia does not produce 

 anapliylaxis or liemolysis and does not agglutinate the blood corpuscles. 



[Work with animal parasites], L. L. Lewis {Oklahoma Sta. Rpt. 1919. pp. 

 53, 54). — In the treatment of stomach worms in sheep a 1 per cent solution of 

 copper sulphate at the rate of 50 cc. for lambs under 1 year of age and 100 cc. 

 for adults was used and repeated after 3 or 4 days with fairly good results. 

 Treatment with copper sulphate and tobacco resulted in 95 to 99 per cent 

 efficiency in removing stomach worms, 75 to 100 per cent for tapeworms, and 

 100 per cent for hookworms in experimental lambs. 



In investigations of lungworms in sheep, experimental infestations were 

 brought about by the oral administration of the ensheathed larval worms. Data 

 on the life history of the sheep lungworm by Guberlet have been previously 

 noted (E. S. R., 41, p. 878). 



In the course of studies of the roundworms and tapeworms of poultry, it 

 R'as demonstrated that Hymenolepis carioca may be transmitted to chickens 

 by the stable flv, an account of which by Guberlet has been previously noted 



