. A manual of elementary zoology . Zoology. THE NEMATODA. PARASITISM 3°5 blood-sucking. They may cause no ill effects, but the adults may block lymphatics, or unripe eggs, freed by injury to the mother, being broader than the larvae, may choke capillaries. Thus dropsy, and it is believed elephantiasis, are caused. Three kinds of Filaria have similar habits : F. ferstans, whose larvae remain in the surface vessels of the host day and night; F. bancrofti [ nocturna), whose larvae retreat to deeper vessels, out of reach of mosquitoes, by day ; and F. loa. Please note that these images are ex


. A manual of elementary zoology . Zoology. THE NEMATODA. PARASITISM 3°5 blood-sucking. They may cause no ill effects, but the adults may block lymphatics, or unripe eggs, freed by injury to the mother, being broader than the larvae, may choke capillaries. Thus dropsy, and it is believed elephantiasis, are caused. Three kinds of Filaria have similar habits : F. ferstans, whose larvae remain in the surface vessels of the host day and night; F. bancrofti [ nocturna), whose larvae retreat to deeper vessels, out of reach of mosquitoes, by day ; and F. loa. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Borradaile, L. A. (Lancelot Alexander), 1872-1945. London : H. Frowde, Hodder & Stoughton


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Keywords: ., bookcentury1900, bookdecade1920, booksubjectzoology, bookyear1920