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Show 98 HOOK\' J\1 OU i\"I' AT N" SCENEI{Y. Eocene ap;1•; thotwli the cv idt•nc<' r •sts chiefly on this !'lin O"l e, new and p~:•e ulin.r g<' llliS. " 'l'Jw position of t iH' H<' fi sh •s, 7,000 fl'l't a.bovv th<• h•1·l'l of tltl' KL'fl, f'ul'lli:-:lws another illm;tmti oll of tlH' c·:deut of' ch•,·ntiom; of l'<•g iont; OIH'P c·olllll'Ctcd with the OC'L'l111, ltllll tlH· co nq)aratin•ly lalt• ]H'I'i O<L of Gt•o logil' tinH' nt whieh, in tlii :-: ea:-:e, tlii :-: el l'ratioll took pln<'l'." Prof(•:;sor Salllll t'l I f. ~<· uddt• r, 'l'c n·tn t·y of U1<• Hoston E;ol' iL•Ij· of .r atuml lliHlory, lim; 1'('1',\' killdly f'urni li t•tllltl' tlic· following notvs 011 tit <' f'o:>::~i l inHect;; that hart· bt•t•n f'oull(l nmong tJH• fi slivs at tltl' sanH' l ocn li ty: "'l'ltf' f'o:;sil in sl'cti:l foun<l by l)r. llny<l <•n ill tho Tt•rliary Hltnl n.; of' Un•n H.i v<.' l' bt>long to tltn•r t-~pt•l'il'H: one being an :w t, tlt l' otlt er::; fli t·~ . Tho anL is mthet· pool'ly )ll'l'Ht'I'Vl'd, aml must lw l'X:Llllill l'll willi gn•:Li t'ILI'<' l )('f'o re its )ll'l'l'i S<' cliaradt• t· can be dvtl'l'llliJH'cl. "'f' lJt• lal'<>(' fl.)' of' ll'lii C' Ii Wl' ..., ' (':Ill d i stin n·t !i ~ li altllO 't tl1 0 wlJol<• of llH• \ bod.)', th ough but Jittl t• of tliP wing:, ev id!'ntly l)('lonn·t•cl to HOIII<' olW<" i • 0 of' S.!Jrphidae,. it iH ll!'al'l .)' lltn•t•-f'ourtlis or an inch in 'length and SC'l' I11S to liavt• hall a bright coiOI'etl n hclont l' ll , ban<l<•tl 1ritlt blaek. [n t ltvir perf't•c·L ~tatc>, all of tlli ::; f':unily Hl'l' fond of tl ower s, but tit <' ty pical o!)l'l'iPFl art' p:utiC'ularly in t<• t·c•st ing front till' pC'c uliar ktbit~ of' till· lari':U; tit 'S<' :ti'P f'ootlt• H gru b:> whi ·lt fet•d Oil ]lla11L lie', pieiTino· th elll 0111\ by one ::tntl ~ ul'kin g ouL tl tt·it· jni c'l'H; it is IIIOJ'C' likl'ly, ILOWL'V<'I', lhat 0111' · pv e i t·~ lwlongvd to Oil <' of t lw p;<'n<• r:t whos<' larvm live in Lh<• water on and al>uuL clt•<·nying vt•getablo Hill> tan 'PH. Lat·vrc, whi ·It from th eir sizl:' and gvm•ral form mi ··ltL w(']l pt·otlll<' · t-~ n c h a fly n.:> thi s, wpre found abundantly lly Prof<'S ·or Den Lon, and tltPy l'l' itl c>nlly inhabi tt•d th ' watl'l'. ' 'I'll <' other Jly, judging from tho lP nrali 11 of' tho wings, whi C' It iH pretty wt•ll presnvPd, H<'l'llts to b •l otw to the gr •at family of flf?tscida', of' which the 'Olnmon house fly i 0 an <•xn.mple ; i t may probably lw ref't•tTl:'d to a ,oc•ction, in whi · h tlw n.lulds arl' Hl'arly or quit ' wattling, and w hoH ' larv co onlin:.l.l'ily f'C'ecl upon lleatl anilllal mat ter or upon decoutposiug pln.nt . "Belonging to tlll• HlUlll' group a.n<l1 •rhap nettrly n.llivd, arc ·p ·cic·H of Ephydm, whi h liv c• in ~al t mn.r olws and f'n •qucnt oaltpans to such an cxtt•nt :t to bo very trouhl<·som •; t,hpy lnw • bt•t•n <.Li foleovered in the ~alin ' w:ttl' I.'S or some Nova 'tan lakPi:l, and. Professor J) ' II LOll otn.tt•s tltat tliph'rou 0 larva', probably of a shuilar kiucl , are fonnl in n·t·eat numlwr 0 in lak<•s impn•g na.tPcl with IWtl·oklllll. lt i pt·obable that th ·hal 'll, in which lilt• ·o re111ain oc ·nr, wet· • d<'l>O oitoll in ·u ·lt a lake." WI<:. TWAIW 1'0 lllo:A I{ IUVEI!. ()() About a mill' Wl'Ht of' th " Pt•t rifit•tl -fi sh Bt>tl," iR n, !'nt al ong th C' mill'on,<l whieh pass<'S tltronglt a. mockmtt• Lhi cktWSR of httff', ehalky JitMHtO IIPS, fil! c•cl wi(lt impre::;siOIIS of (('lt i'PS Of dl'Citl iLOllS tn•Ps. 'l'li <'HI' rocks ltolll a position about 100 ('pet above tlt ' pl'troh•um sltalt> wltil'h cont·ain th l' fi ~ h n•tnains, and tlt en·f'ot·l', tit' llnt of' th L•ir t•x isleneo may b, r po·nd<·d aH ~ uh sl'qllc>Jlt, though ht longing to th<• oatiH' basin. Prof't•sso t· ,f. S. NPwlWI'I'.)', ottl' h cst authority on th ' fossi l l'(•gl'lali on of' J\tll l'l'im, lta:> gi \'('ll tht• ot' plants a ltnHty pxamination, :wd co tnmnni c:Lit•d tlt c• followin <> in tn<•st itl"' noll' · in th form of a ll'lll'r: " " l !tan· "'e x:uninPd tl1c plan ts frolll llH' Grl'en H.ivl'l' lH•ds with as mne·h l'a l'<' ns tho litni ll'd lint ' at lilY cotntnancl woulll JWI'ltlit , and ant f' lll'pri lollo<l in 11ot finding :Lltt ong t it •nt a oingle SJW<·i' cmttainl'll in any of YOttr otlH•r "l'l'UL coll ec ti oJtS n.t tlt <' fat· \ '\' n;t. 'l'h<•y, titus far, aff'onl no • /"> entain nill't·ia f'or collrtlitl"' tho (ht·on lti vcr Tc> rtiarit•s with Ut ost• of' otl tt or l oea JiliP, wht·n· you ha1· stnclil' l th •ttl. Tht• plant 0 front t lt t' rol' ks <•n l osing l h ' coal at l\fn.t·Hhall's lllin t· at· ' more' :;ignilicant, a~ t lt to,r it l('!ud <' R]Wc it•s (Platamts 1/a,ljd 'ni whi<'lt i · CPrlaiuly dift'c>rcnt from JJ1alrtlllf·\' i1 C('1'0ides) snl'h a· wen· found by you a.t 'at·bon ' tali on and at llll' tn olltl t of llw Yell ow tone. Every colkcti on ol' fosHil planls r ee< ·i vl'<l from thP 'I'C'diary of' the \Yost brino·s to li·~h t many IP W H]ll' ·il'i:l, a.n<l th t• gn•at cli rNHity wltidt tiH'.)' l'xhibit pt·ov<'S eiLltl'l' a, llllllllwr of' plant-lwaring ltori zons, ot· gn•at loc·a.lization of' Lh R]W ·i<·s in tit' 'l'crtiar·y fl mn.. " Antong your lre •n Riv 'l' 1la.ntH arc only so nt (' half <l ozt•n H(H'<'iPs, so well pn•sprved n,,· to b napabl • ol' t;n, ti t; f'a ·tory identifi <·a,tion or !:0111 - pari son, hut th •y fonn a l'l'l'.)' in tt t't'Hti ng group. Among lhl'nt ] find two paint s, both quite unlik • anytlting bC' I'on• found on t his <·onli nl'nl. On(' i · n. ll('w Plteni ci!es. re embling IL •• r' ,o jJ£aniNaia f ormosa. 'I'll<· othPt' but an imp •rf>et fra O' ll! •nt, y<'t n.ltcw<•tlt r IH'I\' and strang<• to nt t'. The mo:>t ahnndant spl'C'ies containp<l in tltt• coll L•ction is n. Jl[rtr;nvlirt, allit•cl to jJ[ t JHtin ?'ois, Lr. qx, but tn ore •l on<•·at<' and acutt·, also an oak r ::; 111bli1tg Q1te1·cus r<fl'ordi of' L •sqx. The1·' iR n.notlt ('r oak in t ht• colle ·tion, a hut· •I (I robahl y), and f'ragnwn t. of two ft• rtt ~, too intp ' l'f'l'!'t for d •t rmination. On tho wh.ol e, th<•s plan ts t·<•sentblu lll Ost LltO "L' d ·crib d by Le quern 'x t:rolll Mi · ·i ·ippi, and I am in ·linctl to HllHl W<"L are ot' th sam ' age. Tlti woull lllako tit Gre •n Ril· er b •d · older than y u have thought tlwm, and T should want 111 J'e lii:LLPriltl bef'OL'(' v •nturing anytltin" mor • than a 'ltn·g •t;tion to that dl't• ·t. I tnt ot you |