ea ee ee ee a ee a ee es 
Astronomy. 429 
terized, are ogaagee A new generic name, Harye — is proposed 
for our common Sea-urchins, of which two species are recognized. 
new genus, FRR os. is establishe d for the small stavihalies like A. 
Mullert Sars, and a new species is described. For the Psoles Fabrict 
Lutken, a new genus, Lophothuria, is institute 
This being the first attempt yet made to brin ing together and revise the 
synonymy of all our species of Echinoderms, it will doubtless be found 
al useful to those interested in the subject. 
Natural History of Animals ; by Prof. Saxsorn Tenney and Mrs, 
Ne A. Tenney. New York, 1866. (Chas. Scribner & Co.)—This 
little work is intended for beginners in natural history, and contains 
contains five hundred beautifully executed wood-cuts, being a reprint of 
those in Tenney’s Manual of Zodlogy. The attempt has been made in 
this book to free the subject from all a8 ce Si ae to simplify it to 
the utmost extent. It wou ave been more generally useful, png: 
had the scientific names of the animals des or ana been given 
well as the common names. Affording, as at does, figures and brief des 
rof W. 
H. ‘aie —In the May number of this Journal io ee ina letter to 
Prof. J. D. Dana, on the presence of living species in hot and saline 
waters of California, I Sp usta certain facts, relating to organ- 
isms in the hot waters of the geyse there stated that Mr. A. M. 
Edwards of New York had detected “ rislioal as well as vegetable organ- 
isms in the specimens.” Mr. Edwards writes me that he examined speci- 
mers collected “over hot stoves in water at 120°5° F.,” and he states _ 
he found a few remains of Diatomacea, of which he enumerated se 
species. No animal remains were fou ~~ ~ such fragments (bir) a as 
might have bett derived from outside so 
that I make this correction, which arose ni a misapprehension on — 
part of what species een detected. In regard to the existence of 
other vegetable forms in waters of a pe bt (200° F.), ob- 
served by myself, the = were correctly give 
New Haven, Oct. 19, 1 
IV. ASTRONOMY. 
1. Shooting Stars in August, 1866 ——(1.) At Sherburne, NV. Y.— 
On ye morning of the 10th of August the writer, with three assist- 
seventy-six shooting stars between 12 and 1 o’clock. The float- 
hin ty one and two o'clock. e number seemed to dimini: 
morning. 
Am. Jour. Sct1.—Szconp Series, You. XLII, No. 126.—Nov., 1866. 
53 
