Carpenter, William Benjamin, 1813-1885 · London : John Churchill · leaf 680
facets, we canascertain the num-ber of oceUi in eachcomposite eye. Inthe two eyes of thecommon Fly, thereare as many as4000; in those ofthe Cabbage-But-terfly, there areabout 17,000; inthe Bragon -fly,24,000; and in theMordella beetle,25,000. Behindeach corneule isa layer of dark pig-ment, which… … Head and Compound Eyes of the Bee, showingthe ocelli in situ on one side (a), and displaced onthe other (b) ; a, a, a, stemmata; h, b, antennae. 658 INSECTS AND AEACHNIDA. gain access to the interior of the eye. The further structure ofthese bodies is best examined by vertical sections; and…
Microscopy
Internet Archive · Medical Heritage Library · Public Domain Mark 1.0. Free to use for anything.
