400 Scientific Intelligence. 
properties of minera system of Miller, is principally <a 
in the chapters upon crystallography, shovgh the symbols o 
mann are also given value s portion of the wena is 
III. Botany AND ZooLoGy. 
1. Synoptical Flora of North America ; by Asa Gray.—The 
first part of this work is expected to be published before May- 
day. Tt will form a bound eee of itself, with index, ete.; but 
it is only the first part of vol. i p biieation begins» ith 
vol. ii, because it takes up the sledilick Flora w the Flora of 
North America by Torrey and Gra ray — ns five and thirty 
n 
the first volume of the new wor e present publication in 
cludes all the es Seine after Composite, and fills over 400 com 
pact imperial 8vo pages. The price is fixed so as barely to recover 
the cost of the edition. For this sam ($6), it will be sent by mai 
to any part of the United States, post-paid, if ordered from the 
or of Harvard University Herbarium, Cambridge, Mass. 
In the trade it is published by Messrs. Ivison, Blakeman, Taylor 
& Co., New York. 
2. Biblioyraphical Index to North American Botany ; 
Citations of pees all the Recorded Indigenous and Nat 
uralized Species of the 
siblice ra ra as in similar instances. ian be recompensed only by 
the consciousness of having done "useful work, won helpful to 
fellow-laborers and those who are to come after them. The Sec- 
retary, in his advertisement, states that this work “is eager 
_by the Smithsonian Institution, at the request of the leading bot- 
