British medical journal . caniaria is another species which occa-sionally infests human sores, and which enters housesin search of filth or carrion on which to lay its eggs;it is viviparous aud produces not eggs but live female can give birth to 20,000 young, and Redistates that the larvae of flesh-flies will in twenty-four hours devour so much food and grow soquickly that they increase their weight two hundredfold. Fiuallj, there is a group of flies whose larvae pene-trate iruder the skin of human beings and give risoto definite subcutaneous troubles. But fortuuatelj


British medical journal . caniaria is another species which occa-sionally infests human sores, and which enters housesin search of filth or carrion on which to lay its eggs;it is viviparous aud produces not eggs but live female can give birth to 20,000 young, and Redistates that the larvae of flesh-flies will in twenty-four hours devour so much food and grow soquickly that they increase their weight two hundredfold. Fiuallj, there is a group of flies whose larvae pene-trate iruder the skin of human beings and give risoto definite subcutaneous troubles. But fortuuateljthese are with few exceptions confined to the v. armorregions of the earth, and there is very little risl^ oftheir causing real trouble in Xortheru or Central Europe. The troubles or diseases caused by the presenceof fly larvae in the body are grouped in medical language All species of resplendent flies,Some with greon bodies and greeu eyes,Pricking like pius iieads from their holesLike liuv incandescent coals.—.I;i0)ii. Fig. 4.—Flesli-fly. Saraoxihatia carnaria. female (x 3). size, resting position. under the term myiasis, -which Graham-Smith definesas follows; The term myiasis signifies the xncsence of dipterouslarvae in the living body, whether of man or animals, as OCT. 24, igi-i] INSECTS AND WAR: FLIES. tTnKB«nT!m 707 ?«-ell as the disordors, wliether accompaniecl or not by tlieilestnietion of tissue, caused thereby. Though not sti-ictlycoming within this defluition the sucking of blood by larvaethrough punctures of the sldn, which they themselres


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Keywords: ., bookcentury1800, bookdecade1850, booksubjectmedicine, bookyear185