The previous page is sending you to https://www.alamy.com/a-manual-of-elementary-zoology-zoology-the-protozoa-as-parasites-of-man-157-in-which-the-english-observer-ross-played-a-great-parthas-made-us-less-helpless-to-avert-its-ravages-the-measures-which-are-taken-to-that-end-are-threefold-1-the-destruc-tion-of-the-mosquito-by-such-measures-as-have-been-anopheles-culex-fig-97a-comparison-of-the-various-stages-in-the-life-history-of-a-mosquito-left-with-those-of-a-gnat-rightfrom-shipley-note-how-the-larvae-and-pupae-hang-from-the-surface-film-of-the-water-represented-by-a-thin-line-the-organs-by-which-they-are-suspended-conta-image232117051.html.

 If you do not want to visit that page, you can return to the previous page.