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Show [ 174 J 302 J,Jongitude 121 c, iarirt de 44 ~ 0.-Thc p ·cimens from this locality numbered 53, 5·t, .55, 5G, 57, , 59, GO, aud G I. ThC'se are characte .a~c .. p lCl.t nf•JJS 0 f t Il e ~trata Compo .m g a lu' I ll{ f 700 feetill.g h, andI arc ' 1Umbr !SIIdC iu the <lc:ccnding order. ere Tllr: ·pecimen .. ~9, >0, .atJd .61, arc three pe?i!nens of what appear lobe very f111e clay, p r!cct]y irce frorn carb01mte of June, awJ ne<uly as whit ordinary chalk. These three specimens, whic!t are nuderstood to be fe as I d · b 1· t 1 · 1 . rom t 1re~ t lJIICt trat n, vary nt s 1g r1t y 111 t lCir cha racters-No. Gl beino o' the hghl1 st color. I No. 5t-' IS a :pecirnen nf grayish volca11ic. breccja, the larger portios 1 . . 1 . d l , 11 con. !-. t 111 g o I v o ca 111 c an or a... 1 c . . No .. 55 .t>G, and 57, are of the a.me 'haract r, being, however, uearl free. 1ron~ fra gment or p >bblcs, iiU d . compos~d ot light volcanic sand,dr ~~ona , w1til .au appar<'lltly large a~lnu.x tnrc of clay from tlte stnta below. 1 he w.hole. ~ ~ not acted on by ac1ds and,, o fnr as c~l.!l h judged, is of volca.mc <HI~IlL ~o. 58 is of ... imihr clunacter to the preccdinO' thr<.'e ~pncimc ns,butcon. tams rn~re frn g 111 .11ts,. a11d has a grncrally coarser a~p <'Ct."' Longtt nde 121 °, latitude 45°.-These .specimen are tnll nhcrccl 7 35 40 4. 7, and <1 n. ' ' ' No.7 i.s a si liccon~ ~IJ1t(~r, coated externally with ltydrate of iro n. - • T~H' HpC'l'Jlltf'J1H .i\" ~~· 59, 60, aud G I which arc from thrf'<' dillrrcut hut <·outiauouR ~trau, have "1nrr been cxamtnr<l hy Profc~or J . W . Batl<'y of West PoJUt who findH tlu•m rhar•oo \\ tth flu vJUtil<' lllfm;oria of rrmar~ahl <' f(mu-;. ' ' ' Bc.•low urr de:;cription ~ (n<·compallic•d h; a platr) of somr of the moHt intrw,.,ttng forms, whtc.l wrn• Hk<•tchr<.l .h.v. hun. ~1th a cumt•ra-lucidlt attadw<.l to his microsrop<·. It haH not bern constdcr1~ urc<>ssttry to (.h .. tua ~u , sh, pari t\'ularly, to which of' tht• Hlrata tlw iudiv1dunls figurrd brlong, as 1» l-~)l'<'li'H oe~·ur Ill Ot~l'~ ~vluch an· not yr<'H<' J.tt 111 the others. '1'11<'} un· cvidc.•ntl.v dt•poHitcs of th' "'·lnlC <'poe h, und dtlkt ' <•ry sltghtly tn tlwtr chnrar·trrs. l''i~a. I,~, and 3. ~id vic•wt-~ of Ewwlia lilwile of Ehrrnbrr~ .-Thc.• spiX·icl'l tH fiaurrd anl dc~~·nb:d l,y ~hn:tabt'rt{, who . r:cci:<·d tt fro111 lt~al del Monte, M (~xico. It rrsrmhle~0 llrlnulta J~~s/cunnnl/1, (hhr. ,) huL dlfltr,.:ut 1ls g-runulnltOilR. 'l'ht• tlm•c fi•YUf ('H an' from inJividual i dtOrrcnt age. n f i~R. 1 u!ul f>. Ewtalia gibl a, ( Ehr. )-fdcuticwl with acornmoo frl'sh-watrr SJWnc · now lmnt nt Wt>st Polllt . l''Jg. ~· !1twtulario purh.IJplfra .2 (E%r. )- f';hrrubcrg\~ figure of P.jJuchyplt•m fr()!ll LabraJ01 ,.., v?.ry ~;mulnr to lht• On•~;on ..,pcc1rs lwre r<•pn·E:wntcd. 1· tgs. 7, 8,. an<! 9~. CrJcr?llf'tiHt cym/)lfvrmc .'J (Ehr. )-Thest' aTl' probably m<•rrly vnrietit~ of the .~ume :-~pc<~tcs. f tg. l" rather largrr tltan '. <·ymbilormr tumall grows nt Wt• t Point. r, tg. 1 O. Go111plumcma clu1'atwn .2 (Ehr. )-Front vir N. hg. 11. Uv111plwnuna r.lavutu,m .. 2 (Elu:.)- 'iur view r~~g. 1 ~· (~"mJJiwrlfma minrt-tissi1fllllll, (l~hr. )-A co~mopol itc spcc·t s. 1 /' Jg. l.3 . . (,u/lumella (new species, a. )-This iH evid<'ntly iuruti<'al 'I'Vith a larg-a species wlurh IB~f:.c) dc..,cnbcd uwl figun ·d aF; orru rring at Dana's locality. ( "cc· • 'illunan \; J oumal for April, f'igt;. ltl and 1!), (.,11//irmcl!a, 11llV ~ptcir..),2 o (a-cdr.;-c vit•w · o-sid • virw. )-This spcci~ J~rm; nts r~m:U'k~hly comprlS!><'d frut-~lul ·R, whidt arc runrkcd on tlwir <'ircular !JaRes with railiaol hu<'~· ft Js putl1cuhn ly abundant in NoH. 59 and 6 L. I I' 1g. IG. Gol/i~netla riiatan.c1 .'J-1'hj.., W'l"J miuutc llpcci('S constitute~-> the chi<'l rna.•s of No. 60, mt ~IHO uhoundH tn No~.. 59 rnd Gl. ti Ftgs. l7 nnd J • Co..:a)nci~ pr<Lte.xta, (Ehr. )-Appears to agrcc with 1 '>pceicn frOl'l ' [rxttJ tgu~ed by Ehrenberg. F~g. 19. Fragiill.lria --. Ftg. 20 S . 11 . ·~1 ~ · ll ·l ttrt1 e '" --.-A frnJmrnt only. J hah' ,;cen 11everal fraamcnts ol hrautuu •]ll.fnt"r c r,u ' mt, hav.e llot. y(,· t ~ d (' . . n UUI\ 8 per IWf H[)CCllll6:Jl to figure. "L'~g. 21 · 1· ragl/larw rlw bdo.,oma .:?-I•'ragrn(mt F1 · 'tc<.T !i. 2212 a"Ln• d 23 : Sp ~·c u 1< C , r · {)J /rt•,y/t-watet· Nf}{J1ltres.-8pongilla. ~g. · .1· our-tndou c1-ystol of _ ~ ~ F!g. 25. • c·alo -..\ o - ll)Oth s o f m;' llu n ·trc magni.f ied equully with the ilrnwmgs 303 [ 174 J No. 35. A reddi$~' rather co~npact lava . . . The color is owing to the sence of iron, wluch hastr.ns 1t~ decomposition on expo:tne. prNo. 4o. A reddish brecciated feldspatliic lava, embracing fragment::- ot Jiaht·colored siliceous sand tone or lava,. 0No. 47. Compact trap, or h~~alt, Willi a few rounded cavitie . Tltis specimcu is precise I y like No .... o? .longitude 120° ; aud, from the description given, appears to be a prcv a tlm ~ rock a long the valley of the Colum-bia river. . . No. 49. An imperfect stnped agate, Wltl l the CC"! tltre or siliceous sinter. This with Nos. 7 and 40, is doubtle s as:::;ocia ted with the ba::;alt, No. 47, whidh is the prcvaili11g rock. Longitude 122°, latitude 1.5~ 0 ; Cascadl'S of the Columbia 'river.-Fronl this place are the speci mens n muhcred 9, 10 13, 17, 1 , 22, 2·1, 25, 27 30, 36 37, 3S, and 44. Of these specimen , Nos. 13 and 2·l are mdnrated clay, with impre - sions of leaves of dicotyledouons plu11ts. No. 17 is a fine argillaceous sandstouc, with stem · aud leaves, wllich still retain their fibrous strnetnrc. No. 30 is a specimen of djcotyl edouous woou, partia lly replaced by stony matter, and a portion sti!J retamillg the fibrous ::;tructure aud cou.si.stcncy of partially carbonized wood. Nos. lO, 25, 27, a11d 38, are spccitnen of coal from the sa u1e locality. (For further information of these, 'ee a 11al ysis of .specimeus appended.) No. 22. Carbonaceous earth, with pebbles, evidently a part of the tonna-tion to which the previous specitncu n rc referred. No. l8 is a compact trap apparPntly having a stra tified s trn ct nn~. No. 36. A porous basaltic lava, with crystals of analcime, &c. No. 37. Two specimens-one a porous or rather scoriaceons lava of a reddish color; and the other a compact gray lava, with a few small cavities No. 44. A brown scoriaccous lava. No. 44n. A small peciruen of compact lava. .Jt!liscellaneous specimens. No. 62. A coral in soft limestone· the strncture too much obliteratf'd to decide .its character. (From the di vi<li11g rid:-jc between Dear creek and Bear nver, at a point 8,200 feet above tide water.) No. 71. Calcareous tufa, coutaiuiug the remains of grasses, twigs, mo~~, &c. No. 81. Calcareous tufa stained with iron. ~o. 98. Ferruginous calcareons tufa, containing ren1ains of twig , ~c lhese. three last-named specimens arc evidently the calcareous dcpo ·Jt.e, from.spnngs holding ca.rbonute of lime in solution. •• |