he magnets and battery more e, extremity of dewn- n @, represen titige stroke: e, ¢, shortest dis- no ostroke, a6 the powerful. the record is here more accurate than elsewhere, it tance from the tip ef wing — line of contraction, anu 6, rere _——.—___—~»- +6 > to point ef attachment, ¢, the upward… … In Fig. 1 the wing there is no universally has nearly completed accepted theory as io its down stroke, and the manner in which the point to be noted is their wonderful. phe- the angle of incidence nomena are produced, which it was making at it is still hoped by the moment the camera many that they…
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