346 Miscellaneous Intelligence. 
W278) : A new Morse-alphabet. 
¥, Duane Unity, inversion, and semi-inversion in linear wagons er 
bra; Useful practical fornia of linear associative algebra; Comets of 
perthetion distance; Cooling and possible age of the sun; Cooling and t pdaiibis 
he earth. 
Ds EY Tos: ni corp and practical search for a trans- or tee planet. 
pw. W. Mortey: Remarks on tables for the reduction to of the me: panel 
volumes of gases ; The most convenient scale for a thermome oar pan Pi in gas a 
sis. 
E. C. Senn, an A orem nebulz 
C. R. Cross a T. Minter: On the musical pitch at present in use in 
Boston and vty 
Bs We ees : The use of the mercurial thermometer at high temperatures. 
L. WALD iit ts in ris at the Observatory = Yale College for the verifi- 
cation of by icrantecs and the testing of time-piec 
ee NicHous and A. W. WHEELER: The od icient of expansion of gas solu- 
nese 
E ‘H. Hau: The new action 0 f magnetism on a permanent electric curren 
T. R. Baker: An investigation of the vibrations of plates vibrated at the rea 
R: Theory of ides 
H. C. Lewis: Note on the Zodiacal light ; The Aurora and Zodiacal light of 
whe ioe 
: Discussion of the barometric observations of Professor E. 8. 
Snell, Amberst College. 
C.S TINGS: A comparison of the spectra of light from limb and center of 
A. S. CarHart: A simple device for projeting vibrations of a liquid film with- 
ode a lens. 
Gro. W. Honey: Suggestions for improvement in the manufacture of glass, 
and of new methods for the construction of large tele escopic lenses. 
J. LAKE: Observations on some recent hail storms in N sai Carolina. 
S. WeLLs: Apparatus used in photographing gress 
of 
F. E. HER: Results of a magnetic survey 0 
H. Morton and B. F. a aiaee Observations on the sihsdbtcenokies force of the 
Brush dynamo-electric m: 
achi 
Morton: Observations <a the displacement of absorption bands in solu- 
tions of Purpurine. 
A. G. Bett and S. TAINTER: ete the production of sound by light. 
W. Harzs: A ne w freezing m 
i. ap saga Oe lecture experiment, Fontan the movement « ofa horizontal 
ec field; Ap 
of the Gramme ‘leer ‘actin 
CHARDS ene for measuring the pressure of liquids and gases. 
MAYER: On t deta rays which act in forming the green color 
in the leaves of plants ; “the topophone: an instrument to determine the direction 
and position of a source of sound, with an account of the applications of this in- 
ienti igati the ‘“ chungkee-ston m 
applications of these experiments to the art of shooting on the wing; A new 
method of obtaining a penanen trace of the plane of oscillation of a Foucault 
ceeatehinn 
rok FRISBY : Bn onesie Equation 
S. C0. CHa , Jr: Two new rapeiiouds for the determination of time 
oer latitude, 
: On the limits of visibility with the microscope; On some 
nected ‘aaitons to Faget terminology. 
arallax for meridian observation of Mars in 1877. 
siti nua ation on of Argelander’s Durchmusterung; On the con- 
struction of a niferoineter for double star observations; On the drawing of neb- 
ulz; On uniform time. 
