Quarterly journal of microscopical science . LLEGE, OXt^ORD ; CORRESPONDENT OF THE INSTITUTE OF FRANCE AND OF THE IMPERIAL ACADEMY OF SCIENCES OP ST. PETERSBURG, AND OF THE ACADEMY OF SCIENCES OF FHII, AUELPUIA; FOREIGN MEMBER OF THE ROYAL BOHEMIAN SOCIETY OF SCIENCES, AND OF THE ACADEMY OF THE LINCEI OF ROME, AND OF THE AMERICAN ACADEMY OF ARTS AND SCIENCES OF BOSTON ; ASSOCIATE OF THE ROYAL ACADEMY OF BELGIUM; HONORARY MEMBER OF THE NEW YORK ACADEMY OF SCIENCES, AND OF THE CAMBRIDGE PHILOSOPHICAL SOCIETY, AND OF THE ROYAL PHYSICAL SOCIETY OF EDINBURGH ; HONORARY MEMBER OF THE BIOLOGICAL SOCI


Quarterly journal of microscopical science . LLEGE, OXt^ORD ; CORRESPONDENT OF THE INSTITUTE OF FRANCE AND OF THE IMPERIAL ACADEMY OF SCIENCES OP ST. PETERSBURG, AND OF THE ACADEMY OF SCIENCES OF FHII, AUELPUIA; FOREIGN MEMBER OF THE ROYAL BOHEMIAN SOCIETY OF SCIENCES, AND OF THE ACADEMY OF THE LINCEI OF ROME, AND OF THE AMERICAN ACADEMY OF ARTS AND SCIENCES OF BOSTON ; ASSOCIATE OF THE ROYAL ACADEMY OF BELGIUM; HONORARY MEMBER OF THE NEW YORK ACADEMY OF SCIENCES, AND OF THE CAMBRIDGE PHILOSOPHICAL SOCIETY, AND OF THE ROYAL PHYSICAL SOCIETY OF EDINBURGH ; HONORARY MEMBER OF THE BIOLOGICAL SOCIETY OF Paris; DIRECTOR OF THE NATURAL HISTORY DEPARTMENTS OF THE BRITISH MUSEUM; LATE FULLRRIANPROFESSOR OF PHYSIOLOGY IN THE ROYAL INSTITUTION OF GREAT BRITAIN. WITH THE CO-OPERATION OF ADAM SEDGWICK, , , AND TUTOR OF TRINITY COLLEGE, CAMBRIDGE; W. F. R. WELDON, , , AND SYDNEY J. HICKSON, , , BEVEK PROFKSSOR OF IN THE OWENS COLLEGE, MANCUE3TKB. WITH LITHOGRAPHIC PLATES AND ENGRAVINGS ON LONDON: J. & A. CHURCHILL, 7, GREAT MARLBOROUGH STREET. 1903. Adlardand Son,] [London and Dorkin CONTENTS OF No. Series. MEMOIRS The Movements aud Reactions of Fiesli-water Planariaiis : a Studyin Animal Behaviour. By Kaymond Peael, , Instructor inZoology in the Uuiveisity ol Michigan, Ann Arbor, Michigan, 509 On the Diplochorda.—Part IV. Oa the Central Complex of Cejjhalo-discus dodecalophus, McI. By A. T. Mastemian, ,, Lecturer on Zoology, School of Medicine, Edinburgh. (WithPlates^ 32,33) 715 On Hypurgon Skeati, a New Genus and Species of CompoundAscidians. By Igerna B. J. Sollas, (With Plates 34,^35) . 729 The Anatomy of A r e n i c o 1 a a s s i mi 1 i s, Ehlers, and of a New Varietyof the Species, with some Observations on the Post-larval J. H. AsHWoRTH, (With Plates 36,^37) . .737 Title, Contents, and Index. MAR 12 1903 MOVEMENTS, ETC, OF FRESH-WATER PLANARIANS. 509 The Movement


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Keywords: ., bookcentury1800, bookdecade1850, bookpublisherlondo, bookyear1853