434 Miscellaneous Intelligence. 
25. Indian Architecture; L. H. Morgan. 
26. Notes on the Duke of Argyle’s theory of the flight o Birds, 
with illustrations derived from the Trochilidae; a E. Chi enden. 
: use of Months for Dates; J. F. Holto 
28. On Elliptic ne TR by Series; David erieidin presen- 
ted by Dr. B. 
29. On Euler’s Tea tenied Formule for the Summation of Series; 
David Trowbridge, presented by Dr. B. A. Gould. 
30. On Observations of Venus near inferior conjunction; Prof 
C. S. Lyman. 
In Section B.—Naturat History, AND GEOLOGY. 
e Distribution of Precious Metals in the United States; 
Col Charles Whittlese 
2. The Geological Relations of the Mastodon and Fossil Ele- 
phaat of North America; Prof. James Hall. 
8. Considerations drawn from the Study of the Orthoptera of 
orth erica; Samuel H. Scudder. 
4. Traces of Ancient Glaciers in the White Mts.; G. L. Vose. 
0.6 Mars Origin of the so-called Lignilites or Epsomites ; Prot. 
. The Geographical Distribution of the Sediments and the Fos- 
sils ‘of the Hamilton, Portage, and Chemung groups of New York; 
Prof. James Hall. 
7. The distribution of Limnza megasoma and cognate genera; 
L, E. Chittenden. 
pon some remarkable Fossil Fishes obtained by Rev. H. 
Herzer, from the Devonian Rocks at Delaware, Ohio; Prof. J. 8. 
ew 
9. The Fossil Insects of North America; S, H. Seudder. 
ae The Winooski Marbles of Colchester, Vt.; Prof. C. H. Hiteh- 
“ll. The Zoological affinities of the Tabulate Corals; Prof. A. E. 
Verrill. 
12. The Coal Measures of Illinois; Prof, A. H. Worthen. 
13. Resets ait in the eSenieny of Nova Scotia and New Bruns- 
is On some New F Fossil § Sponges from the Lower Silurian: ics 
15. On the occurrance of Fossil Sponges in the successive grou 
. the Paleozoic so el Bdtuc J ames Hal : 
fae bi ; Lewis H. Mor 
2 The H. Hitch on and “Metamorphosis of Pebbles in Conglome- 
18, On some Fossil tiles and Fishes from the Carboniferous 
oe Kentucky and Illinois; Prof. J, 8, Newberry: 
19. Cotta’s Law of the rth’s Development ; R. W. re oa 
har On Mountain Masses of Iron Ore in the United States; 
n the Lower Silurian Brown Hematite Beds of America; 
ie track, Sree aks 
