Arizona weekly citizen., 1885-01-24
A PosT-NATAL METAM cRPHosls.
The Wonderful Animal DcnIzen of
 the Lower Amazon Rc-iou.
ICLicas0 TriIrn |

n An important paper in th. interest of
 science was read before the Clietr1 Ac8J- emy of Sciences at its last T. -l.as meeting
 by NIT. Edward M. Brigham ot Battle
 Creek, Mich. Mr. Brigham hJs already l made two journeys Co the Amazon river. South America-thc first in lSls, tLc sec
 Ond lccl-remainiDS in the field eighteen
 months. He expects Co leave soon on the
 thlru expedition Co the sane region. By
 permission of the author the paper VII bc
 issued as a bulletin of the scs.emv. with
 drawings illustrating the peculiar char
 aclerlSilcS of this sin -g'8r U.i
 While making Cmbryoiu1i,eI studies in
 the interior of the great island lt NlraiO
 on the small River Ansli.u. Z discovered the quadruped bird
 After having examined many ,rre,uavs
 of various ages, I found that from what corresponds Co about the cm1s mic siqt. of development of the CclGlar soal at the tenth day of incubation. tL-- fore feet showed their ChGF .crs a l,kablv throrghout thesr s- t-,s' .-ltat and !, period O. several 1iavs after matching. the fore feet toes and claws he'd their characters a. such as Una t-.- llaliy s5 those parts of the pos.erior members.
 Later progressive mClihCJr.Ju mani fested itself by reducing tLe d.eits. ex. fOliating the claws. and deyS.on:uE these anterior members into those characteristic of bird There iS. among the higher vertebrate animals. so far as know. no other example of post-uatal me-amorpho- SIS, in such fundamental orClus. to any thing like this extent
 The law enunCiIttd by NOn Escr-tha- the phylOgenetic development is rcpre- sented m the OntOCene, ,IC-has a wide cN- preSSion here. An important a-,cstul feature IS persistent beyond ,he s-r or pre- natal development The animal HrJE-e~,- ing in its embryonic course passes into is reptilian ancestral type. duj before it's evo- lutiOn has carried it through -his-jtS rep tilian phase-it emerge, from .ue egg Thus from an egg laij br trroto.t,d two winged bird hatch,s 80 ggaC.lr.d ami nal
 For several days after hltclig- 5, retains is quadrUped character. then iU tlc open air and sunlight one pair ol j,-s evolves into wings. Front legs arc lurgu-l.-ss .I q bird
 Dysteleology, the doctrine of purpose lessneSS. one of tEc most uru.ouI..l inter- eSting provinces of organic Cr.r.. on. has an important eXcmpuaclJiou here. sil.. in the course of embryonic deve.orm ut i Aoos dpl lif1lS lil q Ntt.H i.t'iL i's -l'issF finished. indicating it~ purpose by the well developed toes, each term ul.eI tv 50 long. well developed claw. Then ihg develop mental activities were uoiile. a-d iu stead of a foot. a wing E. che HlI u. natal result The natives oai .le siri cigana gypsy. It hl, long te.1 known to science under the name ul.- tre1wl cristata.
 lt is another answer -1 those raUaiuiu, unbelicverS in evolution demanding con meeting links. and il their tcS'r. for is- yestigating be strong enough. tnny may. by paddIing their du-oul into ila iivgr hedges of aningl of tle lower AilallDs. look upon. as the writer d.d. these aus- itory dysteleOlogical memb.s o- Che quadruped bird. may wines thr wonder full metamOrphosis from ciadglp-d wingleSs to bipcd-wiu-oJ uirL