UNIVERSITY 



CONTENTS 



PACE. 

 CHAP. I. INTRODUCTION 7 



II. GENERAL STRUCTURE OF ZOOPHYTES 11 



III. HYDROIDEA 19 



IV. ACTINO1DEA 29 



CKNERAL STRUCTURE 30 



SUBDIVISION OF THE ACTINOIDEA 45 



ACTINARIA 46 



ALCYONARIA 50 



SECRETION OF THE CORALLUM 50 



REPRODUCTION BY BUDS THE COMPOUND STRUCTURE 57 



FORMS OF ACTINOID ZOOPHYTES 59 



MODES OF GROWTH 62 



COALESCENCE OF BRANCHES 65 



MODES OF BUDDING AND THEIR CONNEXION WITH THE MODES OF 



GROWTH 66 



V. THEORY OF ZOOPHYTIC GROWTH AND REPRODUCTION, AND OF ORGANIC DE- 



VELOPEMENT IN GENERAL 85 



VI. GENERAL REMARKS ON THE GEOGRAPHICAL DISTRIBUTION OF ZOOPHYTES.. 101 



VII. CLASSIFICATION OF ZOOPHYTES 105 



TABULAR VIEW OF THE CLASSIFICATION OF ZOOPHYTES.. . . 113 



DESCRIPTION OF SPECIES. 



ORDER I. ACTINOIDEA 121 



SUBORDER I. ACTINARIA 121 



TRIBE I. ASTR/EACEA 121 



C 



