COMPARATIVE ANATOMY OF VERTEBRATES ORIGIN OF CHORDATA ORIGIN OF CHORDATA (PROTOCHORDATA AND EUCHORDATA) BRAIN OF VERTEBRATES COMPARATIVE ACCOUNT OF BRAIN IN VERTEBRATE JAW SUSPENSIONS COMPARATIVE ACCOUNT OF JAW SUSPENSIONS HEART OF VERTEBRATES COMPARATIVE ANATOMY OF HEARTS OF VERTEBRATE AORTIC ARCHES IN VERTEBRATES AORTIC ARCHES IN VERTEBRATES RESPIRATORY SYSTEM COMPARATIVE STUDY OF RESPIRATORY SYSTEM OF VERTEBRATE INTEGUMENTS COMPARATIVE STUDY OF INTEGUMENT IN VERTEBRATES DIGESTIVE SYSTEM COMPARATIVE STUDY OF DIGESTIVE SYSTEM OF VERTEBRATE UROGENITAL SYSTEM COMPARATIVE ACCOUNT OF URINOGENITAL SYSTEMS OF VERTEBRATE GIRDLES AND LIMB BONES FORELIMB BONESHIND LIMB BONESPECTORAL GIRDLEPELVIC GIRDLE VERTEBRAL COLUMN COMPARATIVE ACCOUNT OF VERTEBRAL COLUMN OF VERTEBRATE OSTRACODERMS – ORGANISATION AND AFFINITIES OSTRACODERMS – ORGANISATION AND AFFINITIES SPECIALIZED AND DEGENERATED CHARACTERS OF CYCLOSTOMATES SPECIALIZED AND DEGENERATED CHARACTERS OF CYCLOSTOMATES GENERAL ORGANISTION OF GNATHOSTOMATA GENERAL ORGANISTION OF GNATHOSTOMATA GENERAL ACCOUNT OF ELASMOBRANCHII GENERAL ACCOUNT OF ELASMOBRANCHII GENERAL ORGANIZATION AND AFFINITIES OF HOLOCEPHALI HOLOCEPHALI – GENERAL ORGANIZATION AND AFFINITIES GENERAL ACCOUNT OF DIPNOI GENERAL ACCOUNT OF DIPNOIAFFINITIES OF DIPNOI GENERAL ACCOUNT OF CROSSOPTERYGII CROSSOPTERYGII :- STRUCTURE AND AFFINITIES