. Reports of explorations and surveys, to ascertain the most practicable and economical route for a railroad from the Mississippi River to the Pacific Ocean . Thermometer 58° Fahrenheit. Determination of lime, May 13, 1854.—Double altitudes of Pol-lux, in the west. Time. Altitudes. h. m. s. d. rn. s. 6 48 02 84 26 25 6 48 59 84 07 15 6 50 12 83 48 05 6 51 00 83 18 15 Determination of time—Continued. Double altitudes of Arcturus, in the Thermometer 58° Fahrenheit. Observations for the variation of the compass, May 13, altitude of Polaris, in the icesl. Time. Altitude. Magnet
. Reports of explorations and surveys, to ascertain the most practicable and economical route for a railroad from the Mississippi River to the Pacific Ocean . Thermometer 58° Fahrenheit. Determination of lime, May 13, 1854.—Double altitudes of Pol-lux, in the west. Time. Altitudes. h. m. s. d. rn. s. 6 48 02 84 26 25 6 48 59 84 07 15 6 50 12 83 48 05 6 51 00 83 18 15 Determination of time—Continued. Double altitudes of Arcturus, in the Thermometer 58° Fahrenheit. Observations for the variation of the compass, May 13, altitude of Polaris, in the icesl. Time. Altitude. Magnetic bearing. k. m. 12 52 d. m. 33 55 d. m. 10 55 00 W. Double altitude of Spica Virginis, in the east. Time. Altitude. Magnetic bearing. h. m. 19 02 d. rn. 47 55 d. m. 39 30 00 E. Thermometer 58° Fahrenheit. EXPLORATIONS AND SURVEYS FOR A RAILROAD ROUTE PROM THE MISSISSIPPI RIVER TO THE PACIFIC OCEAN. WAR DEPARTMENT. REPORT ON THE BOTANY OF TEE EXPEDITION: BY JOHN TORREY AND ASA GRAY. ROUTE NEAR THE THIRTY-SECOND PARALLEL OF NORTH LATITUDE, UNDER THE COMMAND OF BREVETCAPTAIN JOHN POPE, CORPS OF TOPOGRAPHICAL ENGINEERS. BOTANICAL REPORT. Catalogue of Plants collected on the Expedition. By John Torrey and Asa Gray. RANUNCULACEvE. Clematis Drummondii, Torr. and Gray, Fl. 1, p. 9. On the upper Colorado, Texas; Caroliniana, Walt.; Torr. and Gray, Fl. 1, p. 12; Torr. in Marcys Rep. t. cr
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