718 General Notes. 
Allied Genera. Read before Bost. Soc. Nat. Hist., April, 1888, 
From the author. 
Will, L.—Entwicklungsgeschichte der viviparen Aphiden. Sep-abd. 
a. d. Zool. Jahrb. 1887. 
Viala, P.—The French Viticultural Mission to the United States. 
hone by Justina Robinson Hill, with an Introduction by R. 
. Hill. 1888. 
Eigenmann, Rosa S.) Preliminary Notes on South American nematog- 
nathi. Proc. Cal. Acad., July, 1888. From the 
Eigenmann, C. H. authors. 
Keyes, C. R.—On Some Fossils from the Lower Coal Measures at Des 
Moines, Iowa. From the Amer. Geol., July, 1888. From the 
Penna. State College —Agricultural Experiment Station. Bull. No. 4 
1888. 
Selwyn, A. R. C., 
Dawson, G. M., 
McConnell, R. G 
Geological Report for 1886 of the Geological 
and Natural History Survey of Canada. 
Tyrrell, J. B., et al. Vol. II. 
GENERAL NOTES. 
GEOGRAPHY AND TRAVEL.’ 
Arrica.—Tur Cross River.—According to the agreement 
entered into between Germany and Great Britain, the boundary 
between the sions of the former and latter power 1m me 
Cameroons district is stated to be the right bank of the Rio del Rey 
from its mouth (about 8° 40’ E. Long.) to its at present undis- 
covered source, and thence in a straight line to the rapids upon 1€ 
- Cross River (9° 10’ E. Long). The estuary of the Cross River 18 
well known under the name of the Old Calabar River, and Whe 
into the Bight of Biafra in about 8° 20/—8° 30’ E. Long. a" 
upper part of this estuary is crowded with islands. Into the h 
of this archipelago Cross River enters after a most circuitous course, 
the general direction of which is north and south as far as aù, ee 
the sixth parallel north, where it trends eastward to the pao 
he settlement of old Calabar is upon a peninsula on the eas we 
shore of the Old Calabar estuary, between the Old Calabar and Q 
rivers, both of which may be considered as tributaries © Rio 
River. The Old Calabar estuary is separated from that of the 
1 Edited by W. N. Lockington, Philadelphia, Pa. 
