VERTEBRATES CHARACTERS OF VERTEBRATES CLASSIFICATION OF VERTEBRATA CYCLOSTOMATA GENERAL CHARACTERS OF CYCLOSTOMATA CLASSIFICATION OF CYCLOSTOMATA BRANCHIAL BASKET OF PETROMYZON DIFFERENCES BETWEEN PETROMYZON AND MYXINE AMMOCOETES LARVA PIECES GENERAL CHARACTERS OF FISHES (PIECES) CLASSIFICATON OF PISCES (FISHES) NEUROMAST SYSTEM IN FISHES OLFACTORY LOBES IN SHARKS CLASPERS IN SHARKS INTERNAL EAR OF SHARK (OR) MEMBRANOUS LABRYTH AMPULIAE OF LORENZINI IN FISHES AMPHIBIANS AN INTRODUCTION TO AMPHIBIANS GENERAL CHARACTERS OF AMPHIBIA CLASSIFICATION OF AMPHIBIA NEOTENY OR PAEDOGENSIS IN AMPHIBIANS PARENTAL CARE IN AMPHIBIANS REPTILES GENERAL CHARACTER OF REPTILES CLASSIFICATION OF REPTILES POISON APPARATUS IN SNAKE BITING MECHANISM OF SNAKE CARAPACE AND PLASTRON JACOBSONS ORGANS IN REPTILES AVES GENERAL CHARACTERS OF BIRDS (AVES) CLASSIFICATION OF AVES BODY WALL OF BIRDS (AVES) SYNSACRUM IN BIRDS PECTEN IN BIRDS MAMMALS GENERAL CHARECTERS OF MAMMALS CLASSIFICATION OF MAMMALS: PROTOTHERIA CLASSIFICATION OF MAMMALS: THERIA ORGAN OF CORTI OR COCHLEA STERNUM OF RABBIT SKIN OF MAMMALS (RABBIT) CHARACTERS OF MAMMALIAN DENTITION DENTITION IN MAMMALS EVOLUTION OF MAMMALIAN MOLAR DENTAL FORMULA IN MAMMALS TOOTH DEVELOPMENT IN MAMMALS TEETH MODIFICATIONS IN MAMMALS PLACENTA IN MAMMALS: STRUCTURE, TYPES AND FUNCTIONS