Carpenter, William Benjamin, 1813-1885 · Philadelphia : Blakiston · leaf 835
e inter-lacement of the branchesof minute arborescentgrowths from the border ofthe spiracle, as in the com-mon Fly (Fig. 433), or inthe Dytiscus ; or it may bea membrane perforated withminute holes, and supportedupon a framework of barsthat is prolonged in likemanner from the thickenedmargin of the… … Portion of a large Trachea of Dytiscus, withsome of its principal branches.
Microscopy · Biology
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