140 Scientific Intelligence. 
The observations of Reusch do not appear to have received that 
notice which their importance deserved; and, by exhibiting the 
same results from a different point of view, I hope I have been 
able to bring them into greater prominence, and to show their 
important mineralogical bearing. 
Cambridge, July 1, 1874. 
11. Will’s Tables for Qualitative Chemical Analysis. (2d 
American, from the 9th German Edition.) Edited by Professor C. 
F, Hives, Ph.D. 8vo. Philadelphia, 1874. (H. Carey Baird.) — 
of Metallic Oxides. 
12. Milk Analyses ; by J. Aurrep Wanxtyn, M.R.C.S., &e. 
New York (Van Nostrand), 1874. 12mo, p- 73.—This is a 
practical treatise on the examination of milk and its derivatives, 
cream, butter and cheese, giving simple and exact methods of anal- 
ysis, together with the results of the author’s own researches in 
1871, especially into the milk and butter supplied to the London 
metropolitan work-houses and hospitals. It is a valuable and 
timely contribution to an important department of sanitary science. 
The author has greatly simplified and improved the methods of 
milk analysis. 
plement to Will’s Tables.—This translation of Bunsen’s Memoir 
was originally published in the Journal of the Franklin Institute 
in 1868, 
Il. Grotocy anp Natura Hisrory. 
develop its true Origin and Cosmical Relations ;”* by Ropert 
Matter. (Abstract.)—Referring to his original paper (Phil. 
* Read June 20, 1872; Phil. Trans. for 1873, p. 147, 
