Journal - Franklin Institute of the State of Pennsylvania (1826)
Franklin Institute, Philadelphia, Franklin Institute (Philadelphia, Pa.) · [Philadelphia : Franklin Institute] · leaf 760
on to be made.^^ Still other illustrations in therealm of biology- we should expect to find among the insects, asthe butterflies. The features which we are seeking should beenhanced among those species which are quick of flight, strongof wing, and which have relatively heavy bodies. In the… … Erosion form analogous to a barchan. (Redrawn from Cornish.) Fig. 22.
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