80 Miscellaneous Intelligence. 
photographs of 1871 an ended series of pict ures of the won- 
derful objects seen during eY past summer. Next toa persona 
visit to this land of g , hot springs, fountains of boiling 
mud, waterfalls, lakes Sad sick majestic mountains, is a morning spent 
over these photographs. They would do credit to the best photo- 
graphic laboratory, and considering the pean inherent in a 
long and arduous journey, they are really admira 
The Yellowstone series well illustrates the advantage of photo- 
graphy over any hand drawings in bringing out details of struc 
ture, especially where the artist is guided by the geologist in 
selecting the best points of view. Among the novelties which 
are a itive addition to our knowlege of orography we men- 
tion = the views of the Three Tetons. Among the 
region with the geysers in action Such views give an oppor- 
tunity for the geologist to compare beds of chemical deposition 
with our ordinary limestone 
There are already 600 of teas views, and the Government has 
given permission to have them so at moderate prices. ere 
are three series of sizes, one 1114 inches at $1 each, a medium 
size, » 8X 10 at 50 cts. each, and stereographs at $3 per dozen. 
5. 
opular Treatise on Gems ; by L, FevcHrwaNcer. 
528 pp. 12mo. New York, 1872 ere No. 55 Cedar st., New 
Led With the exception of a brief addition to the Appendix, 
this,is a reprint of the last — of Feuchtwanger’s valuable 
and well illustrated work on gems. 
A Manual of Microscopic Mounting, with notes on the col- 
pose and examination of objects ; oun H. Martin, 200 pp. 
8vo, with many illustrations drawn by the Sathor Philadelphia, 
ch 2. (Lindsay & Blakist ton). From the London edition.— This 
require zs the practical microscopist. e drawings are numer 
ous and most of them original, and much in the work is new t0 
science. 
The Expressi the Emotions in a and Animals. By Charles Darwin- 
374 pp. 12 mo. refs 1872 (John E. Murray), 
Descriptive Catalogue of Minerals, being ‘the rsene se of eile av F.G.S. 
Godalming, Surrey, 1872. pp. 159. London (printed by Taylor & Franc’ 
The Earth a Great Magnet; by A. M. neve, * Ph. D., Brot of Physics in the 
Stevens Technological Institute of Te echnology. pp. 12mo, 1872. New Haven: 
C. C. Chatfield & : Co. 
