84 Miscellaneous Intelligence. 
13. The Telephone for Deaf Persons.—Having seen a paragraph 
string round the Sorehedd of the deaf person, who clasps the string 
with both hands and presses them over his ears. The experiment 
in this way was partially successful; the sound of the voice was 
always heard, and some words were ‘distinguished. Afterwards I 
to hold the string between his teeth. oe then heard every word 
distinctly, even when spoken in a low tone of voice at the whole 
length of the room.—John Browning, in coment of June 13. 
New works in Science, notices of which are os deferred. 
Report on Astronomy ‘and mashed Hypsometry, making vol. of q 
Renores of the U. S. Geographical Survey — of the 100th Meridian, geen 
Lieut. G. M. Wheeler. 566 pp. 4to, with 22 
Pennsylvania Geological Survey. Report aut Prieto in the Beaver River Dis- 
trict of the Bituminous Coal-fields of Western Pennsylvania: by J. C. White. 
: lates. Harrisburg. 18 
Mineralogy and Lithology of New Hamps shire by G. W. Hawes, Geological 
Survey of New Hampshire. 262 pp. roy. 8vo. With 12 plates. Concord, N. H. 
18 - 
ws 
a) 
fo) 
3c 
ie) 
4 
2 0 
ze 
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bo 
5 
et 
Report on Seentnere Fish-culture for stg ie By S. F. Baird. 1030 pp. 
8vo. U.S. C sion of Fish and Fisherie ‘scene e 1878. 
Report o Bethe Survey of Canada, rg 1876-77. 3 Re 6. Selwyn, Direc- 
tor. 532 pp. 8vo. 1878. 
Report on Forrestry, pt ah d under direction a the Commissioner of Agricul- 
ture. By F. B. Hough. pp. 8vo. Washin: 
The Speaking Telephone, "Tetking Phonograph fiat other ene ong by G. B 
Prescott. 2 pp. 8vo, with many illustrations. New York. 1878. (D. ‘Apple- 
ton & Co. 
Ann of Science and mre’ | for 1877, edited by Spencer F. Baird, 
be the ceoahive of men of science. 0 pp. New York. 1878. sare & 
f Dynamic; an Bier to the Study of Motion and Rest 
solid ore Fluid Bodies, by W. K. Clifford, F.R.S. Part I, Kinematic. 222 pa 
12mo. London. 1878. A forges & 0. 
Die Vereinigten Staate: von Nord America, von Dr. Fri Set aa 
der Erdkunde zu Mi ached. Erster Band, Physatsehe G Seorrap hie und Natur- 
charakter. 668 pp. large 8vo, with illustratio us. Munich 
Metasomatic Development es the Co oppet: bearin nie Rocks of Lake Superior, by 
R. Pumpelly. 310 pp. 8vo. ‘oc. Am. A 
Bulletin of the Bussey Tnatitution of > ea Tigieceniey Vol. ii, Part iii. 
18 
aa 78. 
In zur Bestimmung der Mineralien von Franz von Kobell. Elfte vermehrte 
sate. 110 pp. 8vo. Miinchen. 187 
the Chemical Laboratory of the ioe Hopkins University, Nos. 
itimore, 
Report on the Hydroida collected during the Exploration of iy ee Stream by 
L. F. de Pourtalés, Assistant U. S. Coast Survey and forming N. — i: 
the — of the Museum, of Comparative Zoology at Harvard a Coleg, y G.J 
Allman. 64 pp. 4to, with 34 plates. ambridge, Mass 
