372 Geographical Notices. 
with his party, was compelled reluctantly to retrace his steps, and 
return with all possible speed to the Atrato. - Z 
ieut. Craven made a hasty examination of the Pacific terminus 
of the route, and a more complete one of the mouths of the 
Atrato, and the adjacent shores of the Gulf of Darien. His re- 
port has already appeared in the public journals, and received 
the attention and comments of those interested. Lieut. Michler 
ran a line of levels from the Atrato to the Pacific, and mapped 
ble authorities. The country thus delineated, lies een 
a 3° W. long. and 12° to 36° South lat. The scale 18 
1: 3,000,000 vertical section of the Rivers Parana and Para- 
United States government upon Paraguay. 
__ Hydrography of San Francisco Bay.—Dr. J. G. Kohl, whose 
as published in the Berlin Zeitschr. fiir allgem- 
laborate essay on the Hydrography of San Fran- 
ifornia, and a History of its discovery and explora 
time of Cabrillo in 1542 until now. — rae. 
