Ascaris infecta from Passalus cornutus, [483]
" lumbricoides as a human parasite, [243]
" " Davaine’s experiments with, [244]
" " development of the, [244]
" " Heller’s “find” respecting the young of, [244]
" " remarkable cases caused by the, [248]
" maculosa causing avian epizoöty, [441]
" " Unterberger’s experiments with, [245]
" megalocephala and A. lumbricoides not identical, [243]
" " experiments with the eggs of, [246]
" " of solipeds, [378]
" mystax considered as a human parasite, [237]
" " Leuckart’s experiments with, [244]
" " researches of Nelson respecting, [240]
" nigrovenosa, parthogenesis of, [452]
" suilla considered as a synonym, [243]
" " of the hog, a synonym, [405]
" tentaculata of opossums, [433]
" tetraptera, development of the embryos of, [245]
" vesicularis from the ring-necked pheasant, [442]
Aspidocephalus scoleciformis of opossums, [433]
Aspidocotylus mutabilis, a parasite of fish, [360]
Ass, frequency of aneurism in the, [367]
" liver-fluke frequent in the, [356]
" strongyles from the stomach of the, [383]
Australian entozoa, Mr Krefft’s brochure on, [431]
" hedgehog, tapeworm from the, [433]
Avian hæmatozoa, observations by Lewis on, [486]
" parasites in the British Museum, [448]
" " in the Hunterian Museum, [448]
Bacteria, the best known forms of, [277]
Bacteridæ, as a family of protozoa, [7]
Balantidium (Paramecium) coli of man, [282]
" semiparasitic character of, [7]
Balæna, flukes occurring in the genus, [421]
" rostrata infested by Ascaris angulivalvis, [426]