Synopses & Reviews
Synopsis
Excerpt from Proceedings of the Academy of Natural Sciences of Philadelphia, Vol. 60: 1908
Figs. 1 and 2 were drawn with the aid of a camera lucida and magnified about 72 diameters.
Figs. 3 and 4 were drawn with a camera lucida and magnified about 270 times.
The succeeding figures were drawn free-hand from living animals with the exception of figs. 7 and 8, which are semi-diagrammatic. They are i natural Size.
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