N. Fig. 1.-APPARATUS FOR MULTIPLE IMAGE PHOTO- The eyes of animals possess various devices for the GRAPHY WITH THE LENS OF A BEETLE'’S EYE. refraction of light and the formation of images upon the retina. The crystalline lens and the cornea appear water. Then came the important work of covering to… … 95 feet in width, and 50 feet in depth through the clay. Then through the center of this trench another Fig. 4—PHOTOGRAPH OF A WASP MADE WiTH THE Fig. 3.—PHOTOGRAPH OF A FLEA MADE WITH THE excavation was dredged out which was 50 feet in width CRYSTALLINE LENS OF A BULLOCK’S EYE. USUAL LENS. and…
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