British medical journal . rval?-. ^ 1 -» T. Twi lateral tracheal tmok; ), teni- etc, surionnded by a little spiiacnlar process of nymph :whitish powdery rincr of ?^- remains of the posteriorspores discharged by the ^Phow far a fly can travel,flies have beentaken withinforty-eightliours at dis-tances rangingfrom 300 5ardsto a in il 1ythe directionof the windplays a con-siderable partin the distancethey housefly has re-cently become of very ^larked xm. Fig. 6.— Xjmph of 3f. donustieadissected ont of pupal case aboutthirty hours after pupation, of n
British medical journal . rval?-. ^ 1 -» T. Twi lateral tracheal tmok; ), teni- etc, surionnded by a little spiiacnlar process of nymph :whitish powdery rincr of ?^- remains of the posteriorspores discharged by the ^Phow far a fly can travel,flies have beentaken withinforty-eightliours at dis-tances rangingfrom 300 5ardsto a in il 1ythe directionof the windplays a con-siderable partin the distancethey housefly has re-cently become of very ^larked xm. Fig. 6.— Xjmph of 3f. donustieadissected ont of pupal case aboutthirty hours after pupation, of nyiiiphal shea til uinvkin^bases of antennae; cc.\a of leg:lb, labial portion of proboscis sheath:ibr, lai-iral ]x»rtinn of same: process of nympli: in nymphal alar sheath. (FromGordon Hewitt.) reat importance to humanity, and especially to humanityat war, as a carrier of disease, especially of bacterial w:^.s as great as a Principal Medical Ofliccrashe wasas a Director of Supplies, and this is shown iu Pcuteronoiuy,chapter , where he deals with the need o£ strict ^^*[- aiKUICAL J INSECTS AND WAK: THE HOUSE-FLY. [Oct. i;, 1514 bygicue in tlie camp. In the middle of last centuryalready attention was being drawn to the fact tbat thehouso-iiy and the blow-fly transmitted various it was during the American-Spanish war and theSouth African -nar which followed shortly afterwards thatthe part played by these p
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Keywords: ., bookcentury1800, bookdecade1850, booksubjectmedicine, bookyear185
