° 
414 Miscellaneous Intelligence. 
by secondary division. The latter are of unusual form, being 
conical, with the two long cilia attached to the base instead of 
to the apex of the cone. The rseescronater of the zodspores is 
In this connection we may mention a arg ee paper by the same 
author on The Green Alge of the Bay of Athens. He considers 
the little known <Acrocladus bats dials of Negeli to be 
merely a peculiar condition of the common Oladophora pellucida 
by Zanardini. He describes two new species of Siphonocladus, a 
genus midway between Valonia and Cladophora, resembling the 
latter in ramification but differing from it in the transverse cell- 
walls not being complete, but only partial as in Valonia. At the 
end of the paper are some remarks on the relations of different 
genera of green Algw, which constitute the ees 
W. F. 
ITI. MisceLLangous Screntiric INTELLIGENCE. 
tra-Mercurial Planet.—Careful search was made at the 
gee ‘Observatory, Greenwich, and other places for the transit 
of the supposed intra-Mercurial planet over the Sun, which, 
according to an orbit calculated by D Dr. Oppolzer, ee "Vienna 
might take place i morning ve the 19th of h last 
those accustomed to astronomical observations, and able to o appre- 
ciate the great uncertainty of the data on which the calculations 
M 
medal to Professor - Hébert, of Paris; the Bigsby medal to F'ro- 
fessor E. D. Cope, of Philadelphia; the balance of the Wollaston 
Donation Fund to Mr. Samuel Allport ; the proceeds of the Mur- 
chison Geol ual Fund to Mr, J. W. Kirkby ; a ppoiety of the 
balance of the proceeds of the Lyell fos to Professor oe hs 
Nicholson, and the bit moiety to Dr. Henry Woodward, 
_ — Nature, March 1 
