
PROCEEDINGS OF SCIENTIFIC SOCIETIES. 431 
PAPERS READ IN SECTION B.— NATURAL HISTORY. 
On two New Genera of Extinct Oatepes. T E.D Ce . 
On the Early Stages of Brachiopo 
On the Discovery of e Ammonoosne Goid F field, "Be Henry Wurtz. 
Ammonoosuc Gold Field in New Ham ermont. By C. H. Hitcheock. 
The Gems of me United States. By A. y Prem Fang 
On the Laws which Govern the ERAI of Sexes in Plants. By Thomas sg 
atus a Remarkabi le Locality of Vertebrate Remains in the Tertiary of Nebras e 
conta Phyllopod Crustacea. By A. E. Ferrill. 
Note upon the Paleotrochis. B Wurte. 
Mae Homologies of the Palzchinidz BY. E. a E. R. Agassiz. 
marks on Trichina spiralis. er Edwards. 
On the Plumage of T E UM ex te by Mp GRACE ANNA LEWIS. 
ter 
On Nori Roc Hur 
On the Grala and 7ean one of 4 part of the co const of Maine. By John Johnston. 
On th ure of Glands in Acacia and Cass sia. By Thomas Mechan. 
On the Valley of the joe mazon. By 
& 
4 
Distribution of Coal, Iron and the Precious Metals in China. By A. S. Bickmore. 
On Embryonic M: d in American Salamanders. B T D. Cope: 
On the Metamorphosis of Siredon into ‘neon stoma, By O. C. Mars 
American Phyllopod Crustacea. By A. E. Verrill. 
On the Nonfossiliferous Rocks of New En gland; By N. T. True. 
otes on the Geo ogy of Hoboken. By J enry Wurtz. 
Studies of the Red Sandstones of New Jersey. By Henry 
Wurtz. — TR 
Compression as an spoit in G golg gioal Metamorphisss with illustrations of distorted 
es. B 
bb P Roc By W. P. Blake. 
Hints on the Stratigra graphy of the Palmosoic eke of Vermont. By J. 
B. Perry. 
ew Mosasauroid Reptiles from the Greensand of New Jers gs By O. e. omg 
Results of a late (Pro aer pa p ken rp eana of Louisiana. E. W. Hilgar 
On the Geology of Venezuela. By R. P. n 
bservatio Mon onaN us of erm V iare . 
ntain Alpine : 
Surface (5 anite in Mb" since ‘the s close, of the Hen TER Period. By N. T. True. 
io T Geology of North-eastern d oed ona 
i 
nt Erosions in the BE “Lawrence alley: Br erry Hunt. 
i t 
and E boi n and Idaho. J. S. Newberry. 
ron the Trend d of d the Frestewater Te fut no: i latitude 60^, and its Influence on 
4unal Distribution. By Wm. 
Relations of of the Geology of Ohio to that of the adjoining Bee. By J. S. Newberry. 
Ph ib ws s of Fishes obtained by Prof. Orton in the valleys of the Maranon 
apo. “The odore 
The Homolà jgies ax and General Struct ner relations of t the Big see gre By A. Hyatt. 
: i 
Qu the Oretaceous Ase of Sinner ied in Rer adi By a P. Kimball. 
N — of some new Tertiary a nd € a nenas Fi parar C 
On the Age an Rel spen € New Brunswick and Maine. 
By Georg, 
On the Raritan cone “of New Jerse MW. a Br 
On some points in tie í Geotogy of r BEd ooi t C. Kerr. 
peseription. of a arin Species of e d rescott. 
: e Formation 
gotice arisan : sails fro from Table uta d dmm dn d ue Coasts of the Isthmus 
of Darien I as be eo —-— Iu memes a e cometen 1 een the two Oceans. By 
T. Gill. 
ten stematie Re f the Lamarckian Pterocere. By Theodore we 
< Miren: Distribution of Marine Life on the Sea-bottom 
eter By A. E. Ferrill. 
and Chemung ary Qu of the Lamellibranchiates of the Upper Helderberg, m 
on ome Stuntz. Recent nt eotogteal Cha Changes in North-eastern Wisconsin. Communicated b; 
Brazili. & 
3 it Pan Bh rt Harat Dawson. By J. S. Newberry. 
thel ts from Gaspè. Discovered by J. W. pu By 
MS Fossil Iron eu Pol Ivania. "e imball ! 
yh ification of the Diurnal Lepi — EE ies BY, By SU 
seat ee the Ab —O uS cem tterfi Scudder. 
i of the Eggs of Butterflies. ir i pone: 
LI 

