

t~ — ~? 



CONTENTS OF VOLUME X. 



I.— rThe Nature and Origin of Stipules ; Plates I— III. By A. A. 



Tyleb 1-49 



II.— The Ascidian Half-Embryo ; Plates IV— V. By Heney E. 



Ceampton, Je . . . 50-57 



III. — The Eutherfurcl Photographic Measures of Sixty-five Stars near 



61 Cygni. By Hebman S. Davis 58-122 



IV.— The Parallax of 61 1 Cygni, deduced from the Eutherfurd Photo- 

 graphic Measures. By Heeman S. Davis. .... 122-160 



V. — The Eutherfurd Photographic Measures of Thirty-four Stars 



near " Bradley 3077." By Heeman S. Davis. . . .161-187 



VI. — The Prsesepe Group ; Measurement and Seduction of the 



Eutherfurd Photographs. By Feank Schlesingee. . . 189-286 



A 



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