British medical journal . B. pi/ocyaneiis, although washed with salinesolution and hydrogen peroxide. The B. /luncijancus atonce disappeared on the aipplication of 1 in 2,000 mercuryperchloride, or on the application of the losalinc solution Ihave described in this article. I do not like the constantapplication of hydrogen peroxide to wounds ; the granula-tion under its influence becomes anaemic andswollen. It may have its uses in removing blood clotand sloughs, but that is another matter. Dkc. 3. I9I4] COCKEOACHES. L Medic&i. Joubxai. 1007 COCKROACHES. By A. E. SHIPLEY, , ,


British medical journal . B. pi/ocyaneiis, although washed with salinesolution and hydrogen peroxide. The B. /luncijancus atonce disappeared on the aipplication of 1 in 2,000 mercuryperchloride, or on the application of the losalinc solution Ihave described in this article. I do not like the constantapplication of hydrogen peroxide to wounds ; the granula-tion under its influence becomes anaemic andswollen. It may have its uses in removing blood clotand sloughs, but that is another matter. Dkc. 3. I9I4] COCKEOACHES. L Medic&i. Joubxai. 1007 COCKROACHES. By A. E. SHIPLEY, , , MASTEB OF CHRISTS COLLEGE, CAEBBTDGE. I. The Governess: And, perhaps, Mabel, as they are notMack and they are not beetles, you will in future callthem cockroaches. Miihel: Certainly. Miss Smith, although they are notcocks and they are not roaches. All this time we have been rather neglecting the navy,partly because it is less interfered vrith by insect peststhan is the sister service, though the common pests of our. Vig. l.—Periplaneta orie-Atalis^ male, x 2. Dor.^al view. (FromKukouthal.) 1. Ant-euna; 2, palp of first maEiMa: 3, prothorax;4, antifior wings; 5. femur oi>second leg; 6, tibia; 7, tarsus;8, cerci anales; 9, styles. poor humanity—the flea, the louse, the bug—are, like thepoor, always vith ns. Like aeroplanes, insects havecaptured the air, like motors they have made a respectableshow on land, but they have signally failed at sea. Thejhave nothing corresponding to battleships or submarines,and a certain bug, called Hahhates, alone hoists the on the ocean, and that only in the warmest waters. Butone insect at le^st causes moretrouble to sailors than to soldiers,and that is the cockroach. Likethe bed-bug, the cockroach cameinto England at the end of thesixteenth century, and, like thebed-bug, it came from the seems to have been first intro-duced into England and Hollandby the cross-sea traflic, and fromabout the end of the sixteenthcentury


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Keywords: ., bookcentury1800, bookdecade1850, booksubjectmedicine, bookyear185