Vil 
PAGE 
N. L. BRITTON. 
Notes on the Copper Mining Region of Lake Superior (October 
22, 1883), without abstract ....... Bee epee asta se eae 13 
Notes and Criticisms on Mr. Grant Allen’s “Theory of the Origin 
of Leaf-forms (January 7, 1884), with abstract ............ 38-44 
Observations on the Geology of the i ad of Golden, Colorado 
(March /17,\ 1884), without GOSIFACT. os. clas bmn. «Sosa oe 77 
N. L. BRITTON AND ARTHUR HOLLICK. 
Leaf-bearing Sandstones on Staten Island, New York (Novem- 
ber: 19, 1889), Wi QOseraed seins Fab oie mie e aiseiae eee 30 
B. B. CHAMBERLIN. 
Field-work in Local Mineralogy (January 14, 1884), with adb- 
SEPACE Sh ehh. Gass ee ee Abas paige poe et ee eee 48-50 
FE. A. CURLEY. 
Bees and Other Hoarding Insects: their Specializations into 
Males, Females, and Workers (May 26, 1884), without ab- 
DHAUEE W365 G SONS CRA BUCO DOOD ODD Hae oaman aaa eoodn oon: 103 
NELSON H. DARTON. 
On the Strata of Indurated Shales between Bergen Hill and the 
Palisades, N. J. (October 15, 1883), without abstract ...... 7 
THOMAS EGLESTON. ‘ 
The Patio and Cazo Processes for the Amalgamation of Silver 
Ores, used in Mexico and Chili (October 1, 1883), read by 
DIESER GUSTFEGL 55.0 6 0 Ao ke S35 s poo eee Se A Eee I 
ARTHUR H. ELLIOTT. 
The Colored Marbles of Lake Champlain (May 12, 1884), w7th- 
OUT BUSTIEE 6 0 5g Sooo ARS One See amine oi eer 190 
WILLIAM L. ELSEFFER. 
Hydraulics of the Mississippi from Cairo to the Gulf (April 7, 
TOGA); WUELHOUL AUSET ACE 5.6.5 x sick bles a ide Oe ee ee 82 
H. L. FAIRCHILD. 
Methods of Animal Self-defence (January 21, 1884), without ab- 
AY AIIa MRS eA OREN PRE ORE RUS Gio aco a aa Gio Obes 53 
F. FITTICA. 
Upon a Fourth Monobromphenole (December 3, 1883), without 
BOSET ATH Ge la'e nips ees 3 0 4 0's s 5a b> SE ROR REL ae te oor 32 
