Evenings at the microscope : or, Researches among the minuter organs and forms of animal life (1884)
Gosse, Philip Henry, 1810-1888 · London : Society for Promoting Christian Knowledge · leaf 113
ewater in their earlier stages, there are some interestingcontrivances and modifications connected with the organsof respiration. It is necessary that the orifices of theair-tubes should be brought at intervals to the surface ofthe water, in order to come into contact with the externalair; while,… … WllSPIBACLE OF COCKCHAFER-GBUB. INSECTS : THEIR BRFATIIIXG ORGANS. 101 Here is a slender worm, an inch and a half in length,thickest a little behind the head, and tapering gradually toa lengthened tail, the twelve divisions of the body beingvery conspicuous. It swims up and down, or to and fro,in…
Zoology · Microscopy
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