5 
Letters of envoy were received from the R. Norw. Uni- 
versity; K. K. Z. B. G. Vienna; N. G. Bamburg; and the 
U.S. Depart. Interior, Washington. 
Donations for the Library were received from the R. 8S. 
Tasmania; Phys. C. Obs. St. Petersburg; R. Nor. Univ. 
Christiania; K. K. Geol. R. Vienna; Anthro. G. and K. K. 
fabs G. Vienna; D: Geol. G. Berlin; K. li. CC. A; DN: 
Dresden (with a letter requesting a renewal of the old cor- 
respondence*) ; Ed. Haus und Landwirthschatt Kalendar, 
Mich Viet. Ku AC Ulm: No WG. “Bamburg As d. 
L. Rome; Portuguese Commissioners to the Centennial 
Exhibition; 8. de Geog., Ed. Annales des Mines, and Revue 
Politique, Paris; R. A. Brussels; Astronomical Society, 
Royal 8. of Antiquaries, Zoological Society, and Nature, 
London; R. Cornwall Pol. Society; N. H. 8. Newcastle- 
upon-Tyne; Director of Geol. Survey, Canada; Ed. Cana- 
dian Jourual of Science; Essex Institute; A. Acad. A. and 
S.; Boston N.-H. 8.; Mass. State Board of Health; 8S. H. 
Seudder, Cambridge; Ed. Science Observer, Boston; Am. 
Jour. Science and Arts; Yale College; Geol. Survey New 
York, Prof. Hall, Albany; Young Men’s Association, Buf- 
falo; Acad. N.S. Philadelphia; Franklin Institute; Jour. 
of Pharmacy; Jour. of Med. Sciences; Med. News and Ii- 
brary; Penn Monthly; E. D. Cope, Philadelphia; Peabody 
Institute, Baltimore; Dep. Int. Washington; Chicago 
Acad. Sciences; Ed. Botanical Gazette, Ind.; M. Barcena, 
Mexico. 
* On motion of Dr. LeConte, it was resolved that the 
Kais. Leopold. Carol. Academie at Dresden be restored to 
its place on the list of correspondents, and that it be sup- 
plied with all missing volumes of Transactions and num- 
bers of Proceedings as far as possible. (See Mar. 3, 1876.) 
Dr. Draper read and explained a paper, entitled “ Dis- 
covery of Oxygen in the Sun by Photography, and a new 
theory of the Solar Spectrum, by Prof. Henry Draper, M.D.” 
Prof. Barker expressed his pleasure at hearing this paper, 
which in his opinion was the most important contribution 
