154 Scientific Intelligence. 
Color deep . aoa analysis gave: P.O, 11°30, UO, 
71°73, PbO 4:40, H,O 10°48=97°91. The lead is regarded as 
being present as soactone f Roth = deducted the result becomes: 
P.O; 12 a UO, 76°71, H.O1 =100. The formula obtained 
= (00), P “a 0, +6H1,0, wildy: Sauer! P,O, 12°75, sae. i 56, 
III. Borany anp Zoouoey. 
Report upon U. 8. Geographical Surveys mea of the 100th 
Meridien, in charge of First Lieut. Gzo. M. Wuxenter, Corps of 
Engineers, U.S. A., ete. Vol. vi ‘Botany > by J. : T. Roriro OCK, 
etc. 1878.—We have been prevented from ae an earlier 
indicate. The title gives the year 1878, but the volume, —- 
slowly through the press, was complete ted and issued in May, 
1879, and it ‘should bear that date. The collections reported on 
were made during the years 1871 a 1875 inclusive, in Nevada, 
Utah, Colorado, New Mexico and Arizona; also in the southern 
part of California. But the Californian portion of this report is 
reduced to a catalogue in an appendix. It furnishes, however, 
one of the most Pua of the figures, that of the curious 
Lower California. But th 5 mecctavias were not communicated to 
is Aes in any way made known, until after those of Dr. Palme 
d been received ae described. 
ge Pe volume contains 414 pages, 4to, and 30 plates, besides a 
es. onthe lee Ps color, giving a view of a “gro ove’ 
(if it may be e giant Cactus, Cereus giganteus. 
alo 
n the general report. This general report, of fifty pages, is 4 
nicet interesting and important portion of the volume. From 1t, 
if space and time allowed, we should make ample extracts ; for it 
deals with attractive and practical questions in hic and 
‘Gig w way. There is first, a sketch of the Colorado District, its 
character, climate and phytological features, also its agricul 
Dannie wh and its timber. Then, of New Mexico and the Arizona 
» which is te ee treated in a similar a bo way; 
