NOTICES OF NEW BOOKS. 271 
Islands. Dr. Guillemard also exhibited a very fine series of Paradiseide 
obtained during the yacht’s voyage. 
Mr. G. A. Boulenger read a paper containing a description of the 
German River-Frog, Rana esculenta, var. ridibunda, Pallas. 
Mr. P. L. Sclater read the description of a new species of Icterus, 
obtained by Mr. Hauxwell on the Upper Amazons, which he proposed to 
name I. hauawelli. 
A second paper by Mr. Sclater contained notes on the way in which 
Lemur macaco carries its young, as ubserved in a specimen living in the 
Society’s Gardens. 
Mr. A. D. Bartlett read some notes on the female Chimpanzee now 
living in the Society’s Gardens, which he showed to be different from the 
ordinary Chimpanzee, and to be probably the Troglodytes calvus of Du 
Chaillu. 
Dr. Gadow communicated a memoir by Miss Beatrice Lindsay, of 
Girton College, Cambridge, upon the avian sternum. The different theories 
held as to the origin of the sternum having been reviewed, the author 
proceeded, after an explanation of the various types of structure examined, 
to give an account of her own views. Miss Lindsay came to the conclusion 
that the keel is an apophysis of the two halves of the sternum, and is not 
produced by the clavicles or any other parts belonging to the shoulder- 
girdle; also that the part of the sternum whereof the keel is an outgrowth 
is itself of secondary origin, and that the various processes of the sternum 
are produced by addition and not by resorbtion of bony matter. 
Col. J. Biddulph read a paper on the Rocky-Mountain Sheep, in 
reference to the new geographical race lately named by Mr. Nelson Ovis 
montana dalli, and confirming the view that there are two distinct types or 
races of this sheep in North America. : 
This meeting closes the present session. The next session (1885-86 
will commence in November, 1885.—P. L, Sctarer, Secretary. 
NOTICES OF NEW BOOKS. 
Russian Central Asia, including Kuldja, Bokhara, Khiva, and 
Merv. By Henry Lanspetz, D.D., F.R.G.S. 2 vols, 
8vo. London: Sampson Low & Co., 1885. 
Tuis is a general book of travels, but there are many chapters 
in it which will be interesting to naturalists, especially those 
forming Appendix A to the second volume. For, although the 
