126 Scientific Intelligence, 
extended tables of measurements of a considerable number of species; 
and is illustrated by many woodcuts, —_ 4 great beauty representing 
paren a nena artis (chrysoberyl,e 
18. he affinit sg Sv Big by F. B. Mex, (Proe, 
Chiecge rea Sci., i KT Che Bellerophontide are eeu ye by Mr. 
Meek a as very near Emarginula, a view suggested i in 1864 by de Koninck, 
and adopted in 1852 by d’Orbigny, and in 1855 by Pictet. His con- 
clusions are based on a fossil described by Professor Hall under the name 
Nemanotus. Figur res of this species given in McChesney’s “ New ns 
ozoic Fossils,” (there called young of Bucania Chicagoénsis), and o 
page 344 of the Canadian Geology (1863) show that, while it has = 
form of Bueania, it differs in having along the middle of the dorsal side a 
row of isolated oval siphonal openings. Mr. Meek observes that it bears 
the same neler to Bucania that Polytremaria does to Pleurotomaria, 
and Rim o Emarginula, Ina letter to one of the editors Mr. Mee 
mentions £5 the shell is also figured in the recent bape by Prof, 
Winchell, on Chicago Niagara Fossils, plate 3, figs. 7a, 
Ill. BOTANY AND ZOOLOGY. 
Boussingauli’s Researches on the action of Foliage—-A ful\ abstract 
of the first part of these bee eeieed Tne to the Frene 
Academy of Sciences, is given in the Comptes Rendus, vol. lx, No. 18 
ing any 0 of it. Bousstn adit made his experi riments in a better. form, 
upon leaves only, avoiding all complication of the action of the roots or : 
eae parts of the plant. His results are: : 
. That leaves exposed to suns ni - pure hey acid do not de- | 
compas this gas at all, or only with extreme s | 
in a mixture with a tahoaptieria air, they decompose carbonic 
ie rapidly. The oxygen of the atmospheric air, however, appears to | 
ay no par | 
3. Leaves deco ompose carbonic acid in sunshine as readily when this 
gas is mixed with nitrogen or with hydro. 
_ Although this decomposition of carbonic ‘acid by green foliage must 
a case of dissociation,—a separation of carbon from oxygen,—yet 
