494 7 Scientific Intelligence. 
For this the author writes the formnla UO,, RO, UO, or more 
_ exactly 6URO,U+U,(0,U),, in which the *R includes the tho- 
rium, cerium and ttrium “earths and ead. The author gives an 
extended discussion of the constitution of the related tranium 
minerals.— Geol. For. Forh. Stockholm, vii, 59, 1884. 
KriTE.—A mineral describe . Sjogren as occurring 
in small tabular monoclinic crystals, flattened parallel to the 
orthopinacoid ; according to H. Sjé is ne at 
mbers of the vivianite group. Hardness 4—5, specific gravity . 
3°83-3°85. Color yellow to green, mirongly, pleochroic (whence 
the name). An analysis afforded , 
As,0. MnO FeO, MgO, CaO HO 
8°57 ‘9 1-1 9°01 = 100-65 
For this eke ah a 4H,O is given. os occurs with 
other manganese minerals at the oss mines in Nordmark, 
mee — Geol aM . Forh. Stockholm, vii, 109, 1884. 
Sab —A manganesian bbe of chloritoid from beget” 
Balginui, Gaeahibed by Eug. Prost (Geol. Soc. Belg.) It o 
in irregular masses with coarse saeasiacetdal structure and pene 
color. Hardness 5 to 6, specific gravity 3°38 of material contain- 
ing a little quartz. An analysis afforded 
SisO0 =Al,Q,;° Fe.0; FeQ MnO CoO MgO CaO H,0 Quartz 
19°14 33-66 3:38 13-05 7.14 0-04 179 0°30 6:32 15°06==99'88 
12. Clematides Megalanthes, Les Clematites a Grand Fleurs: 
Description et Iconographie des Espéces cultivées dans P Arbore- 
_ de Segrez ; par ALPHONSE Lava atthe. Paris, 1884. hee 
pate, from ae awings by Bergeron, in pihe form and style of the 
t enter ris in _and liberal- 
a” 
= 
® 
"Re 
& 
iS] 
~~ 
2 
= 
= 
=| 
° 
ry 
, 
iv 2] 
a 
capacity and the publi spirit to carry on such an aoa as 
the Arboretum of Segrez and the publications which illustrate 
both its treasures and the botanical | acumen of its founder 
The first section of this work is occupied with the investigation 
and iconography of the Japanese species of Clematis, such as C. 
patens, . florida, etc., which have of late years become 80 
attractive in cultivation, and which especially deserve mat name 
of great-flowered Clematis. But the scientific interest to us 
: . centers in tis orth ‘Auigok species, and in some cultivate 
species of doubtful origin, which may have American bl 
M. Lavallée figures and describes as per Be goon ¢. oylin- 
drica rte Bot. Mag., and (. eri. robably this 
s t view, although we had ut the ey tog Z 
commend these 
pane ge and southern “Atlantis States, and srs for var plants 
- | dri pecimens in flower par fru ‘Phe C; mete 
ety Lavallée ngures, from a ciltivated Git of unknow 
