242 Scientific Intelligence. 
to test the effects of environment upon their colors, etc. The 
phenomena connected with the changes in the position of the eyes, 
and the asymmetry of the body are fully described and illustrated. 
The sensitiveness of the young flounders to the character of the 
light or color of surrounding objects, and their remarkable powers 
ss 
" A, B.¥. 
14. Results of the Recent Eclipse ; by Professor C. A. Youne. 
Assuming as correct Professor Watson’s estimate of the planet’s 
brightness (four and a half magnitude), it would be more than 
somewhere between 200 and 400 miles. If re us minute, It 
1s easy to see how it has so long esca discovery ; indeed, the 
— at once arises whether there must not be several such 
ulcans, to account for that peculiar behavior of Mercury, which 
led Leverrier, on purely mathematical grounds, to assert the ex- 
istence of a planet or planets between Mercury and the sun. Mr. 
Swift, in fact, claims to have seen two bodies—Watson’s and an- 
other near it. 
Wat- 
son cannot give definite information as to the orbit and motions 
is, however, a bare possibility that it may be ree ca 
daylight by arming a large telescope with a very long tube, pro- 
cues crtapamaet iE Ce Soe URC Ft 5 ha aa ea ci acaba sets aire 
Es Oe re 
