Proceedings of the American Academy of Arts and Sciences, Volumen62

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Metcalf and Company, 1928
Vol. 12 (from May 1876 to May 1877) includes: Researches in telephony / by A. Graham Bell.

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Página 1 - namely Orectognathus F. Smith. One of the species of Amblyopone, (australis) represented by a number of subspecies and varieties, covers the whole of the territory men1 Contributions from the Entomological Laboratory of the Bussey Institution, Harvard University. No. 266. tioned. Unlike
Página 254 - Proc, Vol. 5, p. 192; On The Impurities of Commercial Zinc, With Special Reference to the Residue Insoluble, in Dilute Acids, to Sulphur, and to Arsenic. Memoirs, Vol. 8 (1861-'63). p. 57. Mr. SP
Página 218 - At 30° the average departure of a single reading from a smooth curve was 0.61%, and at 75° 0.31%. Resistance. The resistance was measured with the potentiometer in the regular way. Connections were made to the thorium wire with small springs, it not being possible to solder it. The results were: At 30°
Página 47 - than, the crater, down the flanks of which they originally flowed. I believe that dislocations on so grand a scale are extremely rare in volcanic districts. The formation of such numbers of dikes in this part of the island shows that the surface must
Página 46 - surface, but simply by that part having been upraised to a less height." 3 Darwin's separation of the "gray, feldspathic lavas" from th"basaltic strata" was doubtless prompted by the strong
Página 302 - York, NY William Chase Greene Cambridge Charles Burton Gulick Cambridge Roy Kenneth Hack Cincinnati, 0. William Arthur Heidel Middletown, Conn. George Lincoln Hendrickson New Haven, Conn. Bert Hodge Hill Athens, Greece Elijah Clarence Hills Berkeley, Cal. William Henry Holmes Washington, DC
Página 287 - Harry M. Goodwin, Harlow Shapley, Charles L. Norton, Frederick A. Saunders. CM WARREN COMMITTEE. James F. Norris, Chairman, Walter L. Jennings, Frederick G. Keyes, Charles A. Kraus. Gregory P. Baxter, Arthur D. Little, Reid Hunt, COMMITTEE OF PUBLICATION.
Página 167 - 10 . * There is an interesting possibility of comparing the microscopic and macroscopic values of the nebular absorption coefficient. Assuming that the nebular shall is in equilibrium under the influence of gravitation and radiation pressure, it is easy to show that at the level where dp/dr = 0, w-here the hydrostatic pressure has its maximum value, K = GM/C, where G is the gravitational constant, M is the mass of the star, and C
Página 139 - Worker.—Length 3.4-3.6 mm. Head longer than broad, as broad in front as behind, with rounded sides, nearly straight posterior border and broadly rounded posterior corners. Eyes somewhat in front of the middle of the head, small, elongate, rather flat and oblique. Mandibles rather convex, thin, with straight external borders; apical borders with three large anterior and numerous minute basal teeth. Scrobes shallow, sometimes

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