326 Scientific Intelligence. 
siderite. The siderite has a light green ae which = exposure 
ganese reaction. It contain 
FeO; CaCO; MgCO; MnCO 
3 
66°240 28°362 5391 trace =—99°993 
or 
FeO CaO MgO MnO CO, 
41115 15°883 2°567 trace 40'428—= 99°993 
aces. $ “s ied above analysis the ratio a FeCO, : CaCO, : 
MgCO, i 
sins ae ie ae ; 
III. Borany AND ZooLocy. 
1, The Names of Herbes. By pare Turner, A. D. 1548. 
Edited (with an Introduction, an Index of English Names, and 
ce) 
° 
had 
o 
,@ 
a.) 
Lard 
= 
R 
a 
i 
= 
te?) 
Ss 
5B 
es 
° 
“S 
= 
SS 
fa) 
au 
oe 
the English Dialect siti Triibner & Co., 1881. The original 
full title is “The Names of herbes in Greke, Latin, Duch and 
the shadow of Syon Haase: Mr. Britten j issues his editorial pre- 
face. Full of instruction and quaint interest is this neat ote 
of 134 + pages, 8vo. 
A. Synopsis of the North American Lichens, part i. by 
Epwarp TucKkERMAN. Boston: Cassino, 1882. 
It is a great pleasure to receive this volume, which sa pscanic 
students ‘have greatly needed and longed for. It is the first part 
of a work intended to describe all our ets rth American Lichens ; 
and we have here a very important portion of them, namely, the 
Parmeliacet, Cladoniei and Coen cenogoniet, arranged in the man- 
er roposed b y Prof. Tuckerman in his ra Lichenum, pub- 
ne 
lished in 1872. In an introduction of paiscarnai pages the author 
riefly states his views with regard to the nature of Lichens, 
which he thinks ought, together with Algw and Fungi, to be still 
considered as the three classes into which Thallophytes should 
be divided. With respect to the development of the lichen- 
