95 



supposing that under natural conditions T. evansi occurs in bovines 

 or T. vivax-uniforme in camels and equines, though under experimental 

 conditions the camel is susceptible to the latter. 



Parrot (L.). Sur une Variety nouvelle de Phlehotomus minntus, 

 Rond. — Bull. Soc. Hist. Nat. Afriquc dii Nord, Algiers, xii, 

 no. 2, 15th February 1921, pp. 37-40, 1 fig. 



A description is given of Phlehotomus minntiis, Rond. var. fallax, n., 

 from Algeria and Tunisia. The characters differentiating this variety 

 from the type of P. minutus, Rond., and from P. minutus var. africanus, 

 Newst., are described. 



Nakano (H.) & Takaugi (S.). Dermatitis due to the " Karasoss." — 



Hifukwa, Hitsunyokwa Zasshi [Jap. Jl. Dermatol. & Urol. J, xviii, 

 no. 3, 20th March 1918, pp. 1-9. (Abstract in China Mai. J I., 

 Shanghai, xxxv, no. 1, January 1921, p. 74.) 



A mite, probably the larva of a species of Tromhidimn, found under 

 leaves in wet, shaded regions, infests the human skin causing itching 

 and the local appearance after two or three days of small reddish spots, 

 which persist for five or six days. If it penetrates under the skin, the 

 inflammation spreads. 



Treatment consists of applications of balsam of Peru and of sulphur. 



Hegner (R. W.). The Relation o£ Medical Zoology to Public Health 



Problems. — //. Amer. Med. Assoc., Chicago, Ixxv, 11th December, 

 1920, pp. 1607-1610. 

 The importance of medical zoology in relation to public health is 

 emphasised, and the work of the school of Hygiene and Public Health 

 of the Johns Hopkins University in this direction is briefly outlined. 



Hegner (R. W.). Medical Zoology in Europe. — Science, Lancaster, 

 Pa., N.S. lii, no. 1356, 24th December 1920, pp. 591-597. 



A short description is given of the institiitions working on the 

 various branches of medical zoology in Belgium, England, France, 

 Italy, Monaco and Switzerland. The author lays considerable stress 

 on the effect of the War, in spite of the stimulus it has given to certain 

 phases of medical zoolog}', in depleting the supply of young men, and 

 reducing the funds available for scientific work, both directly and 

 owing to the unfavourable exchanges. 



Carter (H. F.). The Occurrence of Theohaldia arctica, Edw., in 

 England. — Entomologist, London, liv, no. 693, Februar^' 1921, 

 pp. 39-40. 



Theohaldia arctica, Edw., is recorded from Cheshire. The occurrence 

 of this mosquito so far south emphasises the need for more consistent 

 and detailed work in connection with indigenous mosquitos in Britain. 



Chapin (E. a.). Remarks on the genus Hystrichopsylla, Tasch., with 

 Description of a New Species (Siphonaptera.) — Proc. But. Soc. 

 Washington, D.C., xxiii, no. 2, February 1921, pp. 25-27. 

 Hystrichopsylla mammoth, sp. n., taken from Aplodontia californica in 



California is described, and a key to the four known species of the 



genus is given. 



