Gastric Analysis in Asthma
نویسندگان
چکیده
of a paper on EXPERI-MENTAL MALARIAL INFECTION OF4. SUBPICTUS GRASSI (A. ROSSI'TYPE' GILES)By C. STRICKLAND, m.a., m.d.(Cantab.)andD. N. ROY, m.d., d.t.m.(Cal.)School of Tropical Medicine, CalcuttaThe above title covered a paper by Strick-land and Roy (1936).The authors in Calcutta compared the experi-mental malarial infection rate in A. subpictusGrassi {A. rossi) with that of A. stephensi andfound that under conditions when 100 per centof A. stephensi became infected, the infectionin the former did not proceed beyond the zygotestage. It is noteworthy that these results wereentirely different from those obtainedby Walchand Soesilo (1929) and the point inter alia wassuggested that they related to another' race' ofA. subpictus, a stateof affairs reminiscent ofthe differential infectivity of the ' races' of theEuropean maculipennis.Nearly coincidentally with the authors' paper,oneby Walch and Walch-Sordrager (1935) hasappeared in which they have pointed out con-siderable differences between the eggs of theIndian and Malayan forms (see table).Table Walch and Walch-SordragerChristophers andBarraud (1931)Differences between the eggs ofA. subpictus in India and JavaaverageLength..464.6Greatest breadth179.4 ^Number of ribs !20.2of float-Length of float0.53 /arelative to totallength.average660 n210 n30?40 (Continued at foot of next column)(Continued from previous column)It appears nowtherefore that sanitaryinspectors and malaria surveyors may have tomake their reports on the anopheline eggs of alocality rather than on the larvae. ReferencesChristophers, S. R., and Barraud, P. J. (1931). Rec.Malaria Survey, India, Vol. II, p. 161.Strickland, C., and Roy, D. N. (1936). Geneesk.Tijdschr. v.Nederl.-Indie, Vol. LXXVI, p. 387.Walch, E. W., and Soesilo, R. (1929). Mededeel.Dienst Volks-gezondh. Nederl.-Indie, Vol.XVIII,p. 453.Walch, E. W., and Walch-Sordrager, G. B.(.1935).Ibid., Vol. XXIV, p. 73.
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