Scientific News. 1043 
ings may be executed on a horizontal surface without perceptible 
_ distortion. The brightness of the paper is regulated by smoke- 
D 
4 A, 
tinted glasses which fit into the prism mounting. The appa- 
falls is specially adjusted for the No. 2 Huyghenian eye-piece; 
_ Mounted on this and fixed by a clamping screw the mirror only 
ay turning in the proper position and it is then ready for 
SCIENTIFIC NEWS. 
F The Proposed Monument to Audubon, —At the recent meet- 
Sin New York of the American Association for the Advance- 
hd Science, the fact that the remains of the great naturalist, 
embers, and the propriety of marking the resting- 
oh the founder of pee aye Ornithology by a suitable 
The ent was appreciated. 
tarbed Audubon plot in Trinity Cemetery will probably be dis- 
Ste the continuation westward of One Hundred and Fifty- 
: liber: ali The trustees of the cemetery have, with commend- 
ity, assigned the Audubon family a new lot close to 
wundred and Fifty-fifth Street, in full sight of Audubon 
otal the end of Audubon Avenue, when this shall be 
om. the north, and are in hearty co-operation with 
ent enterprise. 
ct autumn meeting of the New York Academy of 
ilar > COMmittee was appointed to solicit funds and make 
raangem nts for a monument. HERE 
Th dent Trowbridge then appointed as such commutict 
£ Dani as Egleston, of the School of Mines, “DR 
Britton S. Martin, of Rutgers Female College, and Dr. k 
~ “Rn, of Columbia College. This committee has orga 
