New-York tribune., 1875-10-02
PROCEEDYHGS or SOCIETIES.

IilLADELTuiA'
SCIENCES. June 22.-A paper entitled "On Habita OF
some American Species Of Binds" by Thcmas g. Gentry
was presented for publication and referred TO com
mlttee Mr. ncehan described specimen OF Acer
pscpdorantanus which had s leaves completely turned,
TIC under side being upward He oso mentioned tHe
case Of an oak IN which the leaves were all turned VIII
the cdgcs upward TIC maple has lived three years III
the condition described thus cortradictng the assertion
that tho stomatg henl the under sdc OF the leaves
the plant would Of necessity die II these were turned
Juno 29-Mr Cope exhibited the fossil remains OF n
bird OF prey named by him some time ago Cd~aT'oS
nibrosus Further investigations lead 10 the belci uat
tho bird belonged to the carronfeednS Falcond@ anu
the name ia therefore changed Professionally to Nultur
July ga paper entitled Descriptions Of New speeies
of Amclgc!li Land and IIeSll-Water Shells, by Jds;
Lewis NJ. D. was urCscnted FOR publication ana ro'iISi
10 "a committee. The Recording secretary read CON- con-
muncaOn from A. Il. GToto correcting the .hyh9hyny
proposed by lr Morrison i9F Or"9s5g "a
RSdiyiyi. No /, Bartram's Travels By Elliott
CoGcs M D. was presented FOR publication and referred
TO committee The ConllitIHG "rpoedd "rpand IN UH farn
Of lis publication in the proceedngs. e ITo raw r
kins referred Ia his remarks Of last summer re-
garllnc the position OF the so-caled clavccs OF ha-
drOSaurS, and having compared the skcieloh on ts &
nal with ta Of the ostrich he drew the conclusion that
tue ;shatic pos ION assigned the bones question III
The rcstor ion made tor The Smithsonian Institution wac
entirely unwauaned Further explanation OF ms posi-
ton was called forth by questions from Prof Cope VINO
stated that lie had lately obtained ncatarsd bone o,
Laelaps whch indicated the possession ~ tGt an" @ o
a power OF irmping similar thGt % the kausaroo ana
confirmed the views Of Prof. lfaWhs az expressed III hs
restoration ot Lnrla,5 n'dc d,ii1hA hs ~ M
Central PARK New,IoIk before any sESgncl lhi oe NE
bone had been discovered Prof CGpe @o 9ese'io5v 6
new saurian brought from Costa Kea W
Mr.. Cabb, and proposed for IT the generic, rng hnaS
we're also alluded to and new genus OF sauins was
described under the name EPirRqchis Exception wa,
6T Mr. 0Snancansssy Of the British Museum.
July 2O.-Papers entitled Report on the KePtiiIes ne,
per Amazon and Wcs Peru" ~ Edward D. Core and
d" Notes lctlyOiogy Of Lake IEic@ea, ~ ~, ~,
comniiiee. F Sir aeohan cs!od attention the ln
cnoo o. nutrition upon the M o%th Ci Iya II, 'm, be-
NJ fdGen fiTiher gl,ed 10 the subject OF inscc!iyo
rous panta. Certain species oi drosc had bseh o9-
served in which some plants had insects adhci"s 20
thc'n. aud others had not. No difference in nutrition
eonII be observed. prof. Core made verbal men
ton of some points contained in The pare on thc
t,e Genera Oresteus ana ProJistius were given.
Mr. eabb made ~ Interesting communication regard,
ing tha indians OF Costa Eca, GluglshS ieu't ;; ;.
prCnouncng many Of hs statements rega dS ihe ttlDe8
in qres;ion untgustTorthy e snefG 81 Sd IlS ot
sketch the menncrs and customs Of the tribes onc
in answer 10 impurities described the vegetation tana
ana geological features OF Eastern COSTA Kea M', h4n &
ers exhibited piece OF compressed Iea' h''N"s '~
lnsier ana fra tuTc OF anthracite coal. ., o.,
publication IN The proceedings, and referred ." cnm
the f;xr0rst.on OF Ta'amanca Costa Rica, by william NJ;
Gabh." BY Edward D. Copc. " On the hcpL.t OVC1icd
of Nicaragua in 1874 By Edward d. Gone studies
OF the hmtrcaa Faeonide. By kohert kiGgWas. NO;
ard ui3iGcauon OF certain North American kny.s By
rhomes g. Gentry. ION The occurrence OF Ulanuin,
silver Iron, &C., in the Tertiary Formation of Colorado
Territory" BY r. j.. Ecrthoud. o.
Nolan cXi!ihed specimen OF t53 arya OF Caster
oacla veeda Stcl and called attention 10 ihe reak-
able instance Of protective mimcry Afforded Ny u.
1he specimen found species Of oak, and the pre-
yelling grccnsh gray color OF TIC body, win Obscure
brGish transverse bands closely rcscmblcd te co0r
and marking OF te bark upon when i vas ionnd th3t 4
was with extreme difficulty i could be distinguished
when AT rest. Prof Copc. laid on nc "rs
pages II 10 2SS, with Illustrative plates, OF
hs memoir the vertebrate fauna oi the
eretace0us period in the Wc7t, being No! u or me
u,Ito series Of HaydCn8 Reports on tho United states
Gcl0,ical Survey the Territories Pro! Cope also
called attention TO the geographical distribution or tle
fauna Of Costa Eca, vita special reference tn !e @
srocs Of moisture 0. the several distre,s explored by Nr
Ga65 III continuation, Prof Cone made sone remarks or
apacr recently p,iGhcd iy tEe American ihoa2phl2ai
ccty entitled. Tie Geological Relations of the Aete
GrouGs cf the Cretsceous" hy Prof. Jchn D. stevenson
The remarks contained III the paper upon the Yluc OF
vertebrate and vegetable remains IN the determination
OF geological horizons dsseuted from, ana tEe
assertion thai Dr. Hayden EaG committed an error IN
Placing tho coal underneath the Gai5Ieo s;hG-
stone was contradcted. Prof Core made some
remarks upon tie geological collections made
by Nj. Gabh in Costa Rica. Tic Baiiacb-
iens number 81 species, II OF which arc new. There
are three genera Of toads with tho dudiority APP
patats rUdmcnary. They each represented ~ onc
spccas and are ron the mountain regions, while the
Bnios proper from the low lends. Tge new forms
were named Cranopsis, CTcpidus and OIotis.