





PROCEEDINGS OF SCIENTIFIC SOCIETIES. 385 
of Chicago, and the unusual interest and vigor of the meeting, which was 
ia attended through the entire session, rendered it a brilliant suc- 
The American Association is young and vigorous; it is a practical 
meets, are evidences of the popular interest in the cultivation of the Nat- 
ural and Physical Sciences. 
Officers of the Meeting: Dr. B. A. ine ani t; Col. CHARLES 
WHITTLESEY, Vice President; Prof. JOSEPH LOVERING, Fonisinind Secre- 
tary; Prof. A. P. ROCKWELL, General Bareli: r. A. L. ELWYN, Treas- 
urer. Of Saeed B (Natural History), Prof. J. D. WIITNEY, Chairman ; 
Prof. E. D. Corr, Secretar ; Messrs. WorTHEN, Marsu, and GILL, Com- 
mittee. 
— ee eemi IN. THE NATURAL HISTORY SECTION. 
oe ical By E. B. Andre 
On the Lottie: of hooks and origin of the - Structure of the so-called Grave Stone 
Slates of California. a.— On th e paradni Dess piven oe the Wes sw Portions of akiki 
erica. — Vestiges of Pranita c Races in California. — On some of the Causes whic 
affect the Rapidity of Erosion of Rocks and "of River "Valleys. By W. P. Blake. ge 
Briar of sein aj yheric Changes on the Eruptions of the great Geyser of Icelan y 
sof Exti t Sea-Saurians (Zlasmosaurus). By Edward D. Cope. 
e To vation ¢ > a sisting of Shells se ramie and Phosphates of Iron at 
Mulica i A Gi es County, N. J. By h By fush Ott 
he Boulder Field in Cedar County, Miey ush Emery. 
Origin of the Prairies. — Exhibition of the Cranis 6 f Bodtherium and eee 
Bin emarks on their Geological Position and their Living A Analogues. — i 
Amity of Man in North America. —On the Goourrense of Fluor Spar in Southern, Hlinois. 
We Fone, efrigeration of Continents. — On the Occurrence of Tin in Missour 
Meteorit Lacon from Mexico and Pol : 
and. By Lewis Feuchtwanger. a 
Cen gnathus and its Relations to, s Tapiridæ generally.—On the Classifica 
“avi pm tape s of Seals. By Theodor aes 
the Artistic Evidence of the Rambe. Colonization © of the North-western " Pigra 
ri Heontinent by Maritime Peope of Distinct Nationalities before the Modern Era. y 
wo Valley Archeology an ae Ethnology.— Archxology and Ethnology of the Missis- 
Y. By W. 
teda, peology of the Missiesippi Delta, and the Salt Deposit of Petite Anse. By 
` ilgard. í 
: Impartance o leutian Chain as a Geostatic and Geographica 
rc Thane He Her maphrodism of Fungi ascertai ned.— The Sh Ania te eo hag ste 
ine; then Phas 
—The V Paluc dal Endogen el mee intermediate between manatee aha Ex 
e Vertebral Type of the Craitnens a Quinary one.— Skele 
tn ian typically five. s Anatomical Distinction aR Vegetable Structure, ete. By T. C. Hil 
me Q Qu rie Group in Northern New Hampshire.—The Supposed Triassic Foot- 
Notes x sy i = og 
Ete Notice of Experiments on Snow and Ice at a Temperature below 32°F. By 
a ave iens P n the Geology of 
extensi logic Agencies.— Poin 
ine hare io tha ots Meer auc? a 
a mont. Habita ang Api ag o of Plants in 
Te ments in Stratified Rocks since the Glacial Epoch. By 
Scotia. — 
in the Laurentian Rocks of Canada. — On the Gold Region of Nova : 
per Silurian : and Devonian Rocks of Ohio.—On Some Points in the Geolozy 
i to 
ne Malaise Power.—Relations of the Metamorphoses a 2. Phosphates 
ficient see r. S Fluorine, a Constitnent mnt of the the Fog ed = Vasile. c 
k ogy oft hor . Von 
op: pograp! a Pos paid ogy, gon Fen oes ve the Caucasus. By F. 
ns as to 
e Periodic Law in 1 the Failure of Haryests and Inundations, with Suggestio. 
rance, Ey Sale ad eorge A. Le akin. 
Leaves ‘oniferous Plants. By Thomas Meehan. 
TURALIST, 49 
y» 
