CONTENTS OF VOL. I. 



PAGE 



INTRODUCTION . 



ANATOMY AND PHYSIOLOGY . 20 



THE TUNICS . -0 



THE DIGESTIVE SYSTEM 



THE REPRODUCTIVE ORGANS . 28 



THE BLOOD SYSTEM .... 



THE BRANCHIAL TUBERCLE AND NERVOUS SYSTEM 49 



SALPA AND ITS RELATIONSHIP WITH OTHER TUNICATA . 51 



THE RELATIONSHIP OF THE TUNICATA WITH THE POLYZOA 



AND LAMELLIBRANCHIATA . 58 



CLASS TUNICATA . 63 



ORDER 1. SACCOBRANCHIATA 63 



TRIBE 1. SOLITARIES . 63 



FAMILY 1. ASCIDIAD^; . . 64 



GENUS 1. ASCIDIA . 64 



INDEX OF SPECIES, ETC., DESCRIBED . 



