1883. ] Geography and Travels. 961 
ology, whether occupied in the field or in the cabinet, and will, for 
many years to come, be the standard of reference. Its value is 
enhanced by the fact that it is the first large catalogue of species 
in which the attempt has been made to follow out the classifica- 
tion outlined by our leading ichthyologists, and founded on struc- 
tural characters of more importance than the scales and spines 
which are the basis of the older classifications. 
RECENT BOOKS AND PAMPHLETS. 
Miller, F.—Dritter i aes zum Katalog der Seel egee re Sammlung des 
uthor 
Baseler Museums. 1883. From the 
Chilton, C-—On two new poten Ext pabeja New Zealand Institute, 1882. 
——Additions to the New Zealand Crustacea. Ext. id -» 1881, 
——Additions to the Isopodan fauna of New Zealand. me , 1882. 
—— Further additions to our ee of the New Zealand Anema Ext, idem., 
1882. All from the author 
gigei H. T.—Aztec Musi. Ext. Proc. Acad. Nat. Sci. Phil., 1883. From the 
author, 
Lockington, W. N.—The role of InI Protophytes. Ext. Proc, Amer. Philos. 
I Fr uthor. 
- 1883. From the a 
Silliman, B. CS of the scientific and economic relations of Sorgh 
Sugar Industry. A report to the U. S. Commissioner of Agriculture, a, 
a Washineten, 188 
Yarrow, H. C— Ch ad list of North American oy ong and Batrachia, From 
Bulletin U. S. National Museum. From the au 
Wi reite M. E The] Bishopville and reari Masaitis. Ext. Amer. Jour. 
sci., 1883. 
——The Argillite cae pac of = — basin. From the Proc. Boston 
Soc. - Hist., 1882. Both from the 
» W., and ps tel, K. A,—Palzon nan Beiträge zur Sap 
a Vorzeit. XX1xX Band, 5th and 6th Leiferung, 1883. From the author. 
:0: 
GENERAL NOTES. 
GEOGRAPHY AND TRAVELS. 
AMERICA.—At a recent meeting of the Royal et ohn 
Society, Mr. C. R. Markham read an article upon 
tions of Dr. Edwin Heath and others of the courses F the Am- 
aru-mayu (Madre de E Dios) and Beni. The streams which flow 
e Madeira. The Beni in flood is said to carry as much water 
as the Mississippi, yet the Amaru-mayu is far larger, owing 
greatly to the fact that its main tributary, or rather true upper 
Course, the Ynambari, flows for nearly 200 miles between the 
Andés a and an isolated line of hills, and receives tribute on both 
si 
The main stream of the Beni rises in the fertile Yungas of 
* This department is edited by W. N. LOCKINGTON, Philadelphia. 
