Preface to the Series -- Preface to this Volume -- Contents -- 1. A Brief History of Research on Gymnophionan Reproductive Biology and Development -- 1.1 INTRODUCTION -- 1.2 DESCRIPTIONS OF THE REPRODUCTIVE SYSTEM: FEMALE -- 1.3 DESCRIPTIONS OF THE REPRODUCTIVE SYSTEM: MALE -- 1.4 ENDOCRINOLOGY AND IMMUNOLOGY OF CAECILIANREP RODUCTION -- 1.5 LIFE HISTORY INFORMATION-REPRODUCTIVE MODES -- 1.6 LIFE HISTORY INFORMATION-POPULATION STRUCTURE AND REPRODUCTION -- 1.7 DEVELOPMENTAL BIOLOGY OF CAECILIANS -- 1.8 METAMORPHOSIS -- 1.9 CONCLUSION -- 1.11 LITERATURE CITED -- 2.Caecilian Phylogeny and Classification -- 2.1 INTRODUCTION -- 2.2 CAECILIAN PHYLOGENY -- 2.3 CLASSIFICATION -- 2.4 ACKNOWLEDGEMENTS -- 2.5 LITERATURE CITED -- 3. Anatomy with Particular Reference to the Reproductive System -- 3.1 MAIN ANATOMICAL CHARACTERISTICS OF GYMNOPHIONA -- 3.2 ANATOMY OF THE MALE GENITAL TRACT -- 3.3 ANATOMY OF FEMALE GENITAL TRACT -- 3.4 CONCLUSIONS -- 3.5 ACKNOWLEDGMENTS -- 3.6 LITERATURE CITED -- 4. Caecilian Male Mullerian Gland, with Special Reference to Uraeotyphlus narayani -- 4.1 INTRODUCTION -- 4.2 ANATOMY OF THE MULLERIAN DUCT -- 4.3 INTERNAL STRUCTURE OF THE MULLERIAN GLAND -- 4.4 LIGHT MICROSCOPIC HISTOLOGY OF TUBULAR GLANDS -- 4.5 ULTRASTRUCTURAL ORGANIZATION OF EPITHELIAL CELLS OF TUBULAR GLANDS -- 4.6 ULTRASTRUCTURAL ORGANIZATION OF DUCT EPITHELIUM OF TUBULAR GLANDS -- 4.7 ULTRASTRUCTURAL ORGANIZATION OF CENTRAL DUCT EPITHELIUM -- 4.8 ORGANIZATION OF THE MULLERIAN GLAND DURING THE PERIOD OF TESTICULAR QUIESCENCE -- 4.9 BIOCHEMICAL COMPOSITION OF MULLERIAN GLAND SECRETION -- 4.10 HOMOGENEITY OF PROTEINS OF MULLERIAN GLAND SECRETION AND SECRETORY MATERIAL OF LIZARD EPIDIDYMIS AND RAT VENTRAL PROSTATE AND SEMINAL VESICLES -- 4.11 CONTRIBUTION OF MULLERIAN GLAND SECRETORY MATERIAL TO MOTILITY OF SPERM -- 4.12 SUMMARY AND CONCLUSIONS.

4.13 ACKNOWLEDGEMENTS -- 4.14 LITERATURE CITED -- 5. Endocrinology of Reproduction in Gymnophiona -- 5.1 INTRODUCTION -- 5.2 VARIATIONS OF SEXUAL ORGANS IN MALES -- 5.3 CYCLIC VARIATIONS OF SEXUAL ORGANS IN FEMALES -- 5.4 HYPOPHYSIS IN GYMNOPHIONA -- 5.5 INTERRENAL GLANDS -- 5.6 PROPOSAL FOR A SCHEME OF ENDOCRINE REGULATION OF SEXUAL CYCLES IN GYMNOPHIONA -- 5.7 ACKNOWLEDGEMENTS -- 5.8 LITERATURE CITED -- 6. Caecilian Spermatogenesis -- 6.1 INTRODUCTION -- 6.2 HISTORICAL PERSPECTIVES -- 6.3 SEASONALITY OF REPRODUCTION -- 6.4 ANATOMY AND MORPHOLOGY OF THE TESTIS -- 6.5 HISTOLOGY OF THE TESTIS -- 6.6 CELLULAR ORGANIZATION OF THE TESTIS LOBULE -- 6.7 SPERMATOGENESIS -- 6.8 STAGES IN SPERMATOGENESIS -- 6.9 SPERMATELEOSIS -- 6.10 SPERM DUCTS -- 6.11 ACKNOWLEDGMENTS -- 6.12 LITERATURE CITED -- 7. Ultrastructure and Phylogeny of Caecilian Spermatozoa -- 7.1 INTRODUCTION -- 7.2 SPERMATOZOAL ULTRASTRUCTURE -- 7.3 PHYLOGENETIC CONSIDERATIONS -- 7.4 SUMMARY -- 7.5 ACKNOWLEDGMENTS -- 7.6 LITERATURE CITED -- 8. Oogenesis and Folliculogenesis -- 8.1 THE OVARIES OF GYMNOPHIONA -- 8.2 DEVELOPMENT OF OVARIES FROM BIRTH TO MATURATION -- 8.3 OOCYTES AND FOLLICLES IN ADULTS -- 8.4 CONCLUSIONS -- 8.5 ACKNOWLEDGEMENTS -- 8.6 LITERATURE CITED -- 9. Development of Gonads -- 9.1 INTRODUCTION -- 9.2 DEVELOPMENT OF TYPHLONECTES COMPRESSICAUDA -- 9.3 DEVELOPMENT OF GONADS IN TYPHLONECTES COMPRESSICAUDA -- 9.4 VISUALISATION OF TESTOSTERONE DURING GONADOGENESIS -- 9.5 CONCLUSION -- 9.6 ACKNOWLEDGEMENTS -- 9.7 LITERATURE CITED -- 10. Modes of Parity and Oviposition -- 10.1 EGGS AND EGG-LAYERS IN GYMNOPHIONA -- 10.2 VIVIPARITY IN GYMNOPHIONA -- 10.3 CONCLUSIONS: HOMOGENEITY OF VIVIPARITY IN GYMNOPHIONA -- 10.4 PARENTAL CARE -- 10.5 ACKNOWLEDGEMENTS -- 10.6 LITERATURE CITED -- 11. Viviparity in Typhlonectes compressicauda -- 11.1 SOME ASPECTS OF DEVELOPMENT.

11.2 YOLK AND ECTOTROPHOBLAST -- 11.3 OOPHAGY -- 11.4 ADELPHOPHAGY -- 11.5 DEVELOPMENT OF THE GUT -- 11.6 GILLS -- 11.7 DIFFUSIVE EXCHANGES -- 11.8 RESPIRATORY PHYSIOLOGY IN EMBRYOS -- 11.9 MATERNAL ORGANS INVOLVED IN MATERNO-FETAL EXCHANGES -- 11.10 CALCIFICATION OF EMBRYOS -- 11.11 MATERNO-FETAL IMMUNOLOGICAL RELATIONSHIPS -- 11.12 CONCLUSIONS -- 11.13 ACKNOWLEDGMENTS -- 11.14 LITERATURE CITED -- 12. Fertilization and Embryonic Development -- 12.1 EGGS AND FERTILIZATION -- 12.2 FIRST STAGES OF DEVELOPMENT -- 12.3 TABLES OF DEVELOPMENT -- 12.4 COMPARISON OF DEVELOPMENT IN CAECILIANS -- 12.5 METAMORPHOSIS IN GYMNOPHIONA -- 12.6 EMBRYONIC AND LARVAL GROWTH -- 12.7 CONCLUSIONS -- 12.8 ACKNOWLEDGMENTS -- 12.9 LITERATURE CITED -- Index.