Identifier: ser9annalsmagazi10londuoft (find matches)
Title: The annals and magazine of natural history : zoology, botany, and geology
Year: 1838 (1830s)
Authors:
Subjects: Natural history
Publisher: London : Taylor & Francis
Contributing Library: Gerstein - University of Toronto
Digitizing Sponsor: University of Toronto

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ino-saur, Struthiomimus shows an edentulous beak, and thus it Habits of the Dinosaur Stnithiomiinus. l.ili becomes evidtiit tliat it <iiil not live in tlie usual tlieropodousiiKiniier. Ilic tollowiii;^ review of tlw; luiictioii of the(litVtTont orj^aiis of Slruthiomimua will, ;)erlia;)s, slicd somelij^lit on its mode of livin»^:— (1) The sfionp^ muscles of the femur and the slender elon-gated mctatar:?us of the hind feet of Stnit/iiomimns show thatit either hunted itself some very swirt-runninf; prey or thatitself was often hunted. For reasons already put forward hyOsborn, the first of these two possibilities has to he eliminated.The toes of the hind feet are comparatively siiort and thephalanges are rather strong. This shows that the foot couldbe easily used lor Hcratching or for digging in loose material.This has likewise been recognized by American paheontolo-gists, and thus the whole structure of the hind toot ))rovesthat Sout/iioinimus was an inhabitant of the open country,
Text Appearing After Image:
A reconstruction of S/rul/iiomimus. I where it raced along at great speed when pur.^ued, and thatit probably avoided marshy ground and such covered withdense vegetation like brusliwood, ferns, or large-leavedplatits. In this regard Struthiomimus came evidently nearerto the ostrich than to the moa. (2) The elongated arm-bone of our animal, with its lackof a well-developed radial crest, shows that the arms ofStrufhiomtwus were not used for struggling with an opponentnor tor holding live prey, nor for pulling, because all thesemovements demand flexion and adduction. In the hand allthree persisting fingers are of equal length, and the thumbcould easily be opposed to the second and third finger.During the closing of the hand especially, the last jdialangescould be strongly bent, and so it again becomes evident that 154 On the probable //af*//* o/Struthiomiinus. the claws of the opposed fingers couUl close without the ba3;ilparts of the fiiis^ers beiii<^ brought togetlier. This structure

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