COMPARATIVE ANATOMY OF VERTEBRATES ORIGIN OF CHORDATAORIGIN OF CHORDATA (PROTOCHORDATA AND EUCHORDATA) BRAIN OF VERTEBRATESCOMPARATIVE ACCOUNT OF BRAIN IN VERTEBRATE JAW SUSPENSIONS COMPARATIVE ACCOUNT OF JAW SUSPENSIONS HEART OF VERTEBRATESCOMPARATIVE ANATOMY OF HEARTS OF VERTEBRATE AORTIC ARCHES IN VERTEBRATESAORTIC ARCHES IN VERTEBRATES RESPIRATORY SYSTEMCOMPARATIVE STUDY OF RESPIRATORY SYSTEM OF VERTEBRATE INTEGUMENTSCOMPARATIVE STUDY OF INTEGUMENT IN VERTEBRATES DIGESTIVE SYSTEMCOMPARATIVE STUDY OF DIGESTIVE SYSTEM OF VERTEBRATE UROGENITAL SYSTEMCOMPARATIVE ACCOUNT OF URINOGENITAL SYSTEMS OF VERTEBRATE GIRDLES AND LIMB BONESFORELIMB BONESHIND LIMB BONESPECTORAL GIRDLEPELVIC GIRDLE VERTEBRAL COLUMNCOMPARATIVE ACCOUNT OF VERTEBRAL COLUMN OF VERTEBRATE OSTRACODERMS – ORGANISATION AND AFFINITIESOSTRACODERMS – ORGANISATION AND AFFINITIES SPECIALIZED AND DEGENERATED CHARACTERS OF CYCLOSTOMATESSPECIALIZED AND DEGENERATED CHARACTERS OF CYCLOSTOMATES GENERAL ORGANISTION OF GNATHOSTOMATAGENERAL ORGANISTION OF GNATHOSTOMATA GENERAL ACCOUNT OF ELASMOBRANCHII GENERAL ACCOUNT OF ELASMOBRANCHII GENERAL ORGANIZATION AND AFFINITIES OF HOLOCEPHALIHOLOCEPHALI – GENERAL ORGANIZATION AND AFFINITIES GENERAL ACCOUNT OF DIPNOIGENERAL ACCOUNT OF DIPNOIAFFINITIES OF DIPNOI GENERAL ACCOUNT OF CROSSOPTERYGIICROSSOPTERYGII :- STRUCTURE AND AFFINITIES