hydrogen in the solar spectrum. It is expected, by means of 



Miscellaneous Intelligence. 



in the 

 morning, when a solar spectrum was tab b 

 half of the slit which had remained closed 

 was directed to the star, 

 lines, all of them slightly i 

 which are least refrangible coincide with two known lines of 



i in the sol; 

 apparatm 



tiiier lilies which may be present in the spectrum of this star, as 

 well as to extend the photographic method to stars which are less 

 hriLilit. I need not now refer to the many important questions in 

 connection with which photographic observations of stars may be 



3. Tables of the Satellites of Jupiter; by D. P. Todd. 40 pp. 4to. 

 —Published for the American Ephemeris by authority of the 

 Secretary „f the Navy. The tables of Damoiseau published in 

 1836 give the places of Jupiter's satellites up to the year 1880. 

 The present tables are a continuation of Damoiseau's by the same 

 formulae and elements to the year 1900. 



V. Miscellaneous Scientific Intelligence. 



1. Geological Society of London.— At the Annual Meeting, 

 February 16th, the Wollaston Gold Medal was presented by the 

 President of the Society, to Mr. Robert Mallet, for his able 

 researches on earthquakes, volcan . and other 



important scientific labors ; the Murchison Medal to Rev. \\ . B. 

 Clarke, of Sydney, Australia, i". r 1 i> various geological discov- 

 er of the Lyell Fund to James Hector, Director 

 of the Geological Survey n"f New Zealand : the balance of the pro- 

 ceeds of the Lyell Fund, to Mr. Pengelly, for his explorations of 

 Kent's Cavern. 



the Bigsby Medal, founded last year by Dr. 



Bigiby, F.R.S., F.G.S., formerly an able worker in the geology 

 and paleontology of British North America, was given to Prof 

 0. C. Marsh, of Yale College, " in recognition of the great services 

 which Prof. Marsh has rendered to tin- j aleontology of the Ver- 

 tebrates;" whose studies include "fossil remains of nearly ewry 

 great group of the Vertehrata from ih« Paleozoic, Cretaceous 

 ■>' "I C no/.oic strata of the New World," and "are so numerous 

 and so important as to mark an epoch in this line of research. 



2. Bulletin of the II- n '<■ >« ■•'•, >J ^ ,tirr " fences vol. 

 m, No. 4. 1877.— This number of the bulletin contains a check- 

 list of the ffeeh-water fishes of North America (concluded) by 

 D. 8. Jordan; the Shinumos, by F. S. Dellenbaogh; - 

 L America, by A. R. Grote; on the Hypbor 

 M C Cooke. Mr. Grote's paper applies t 

 respecting the migrations of species in consequence 



of the 



