Memoirs of the National Academy of Sciences . Fig. 34.—Pupil of Phat^sus triamjularis; A, cml <tl lnuly. ]\rE:\roTiiB of the national a(jai)i-::\iy of sciences. li)

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Keywords: ., bookcentury1800, bookdecade1890, bookidmemoirsofnat, bookyear1895