. Marvels of insect life [microform] : a popular account of structure and habit. Insects; Insectes. J54 Marvels of Insect Life. disoase, TlH' in .;.- of th. ,.inK-M. km-s patinils in the ;|iital had liini that had haind trvpanii^onu's ni thiir 1)1.»kI. >.. liimc directed his inquiri.'s t,. trst \hr>r P't into thr bh»Kl through tho attacks ot a flv His rrsrarcho tlic tliat >l,v,.inK->;s is ,ans«l bv a kindrwl ..( 1"W Mv' to that na^ana, and that the artiy.' QEcnt in its
. Marvels of insect life [microform] : a popular account of structure and habit. Insects; Insectes. J54 Marvels of Insect Life. disoase, TlH' in .;.- of th. ,.inK-M. km-s patinils in the ;|iital had liini that had haind trvpanii^onu's ni thiir 1)1.»kI. >.. liimc directed his inquiri.'s t,. trst \hr>r P't into thr bh»Kl through tho attacks ot a flv His rrsrarcho tlic tliat >l,v,.inK->;s is ,ans«l bv a kindrwl ..( 1"W Mv' to that na^ana, and that the artiy.' QEcnt in its is a distinct sjk-ck-. of ' The intervention of the llv is absoUitelv essential the pro|>aKation of the disease. When it sacks up the Wood of the animal alreadv afflicted it also takes in many of the immatine trypano- somcs whose devehipment is in tlie lly. and «lien the latter indulge-. Festoes Tsi;tsi,-1'lv. ..11 a iiiiull illl;irsiil ^mI.'t-mik. iimrr , ^. ll U ' ^ rii :. lnv tim,- in its nevt meal of blooil there are sure to be some germs attached to its beak and si. introduced into the bloiul of the present victim. In the circulation of the blond it finds its wav to the brain, and by its action there prodiu-es the condition of conin which is the outstanding svmptom of the disease. Having determined the exact siH-eies of tsetse-flv that is "the carrying agent, Hriice found that the ravages of the disease coincided with the distribution of the fly. Sleeping-sickness affects monkeys as well as man. Dogs and rats were found to be partially siis('ei)tible to inoculation, but efforts to infect guinea-pigs, donkeys, oxen, goats, and sheep yielded negative results. Thus it is shown again that though Insects may be regarded by some superior ' '[>> i>:inosonia Rambu-iisc. ' Cliissina Please note that these images are extracted from scanned page images that may have been digitally enhanced f
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectinsects, bookyear1915
