CONTENTS 



OF 



VOLUME FIRST. 



HYDRAOID ZOOPHYTES. 



CHAPTER I. TnBULARIA INDIVISA, ..... I'ACIi 1 



TUBULARIA LARYNX, . . . . . . 4il 



CHAPTER II — TuBtiLARiA (Sertularia) RAMEA, ... 5(1 



TuBULARiA (Sertularia) ramosa, . . . ()4 



Medusa ocilia, ...... 6fi 



CHAPTER III.— Hydra or Polypus, ..... 73 



Hydra Tuba, Gelatinosa or Strobila, . • . 7G 



Medusa, ....... 101 



Medusa BIFIDA (minutissima), . . . 110 



CHAPTER 17. — Sertularia — S. Polyzonias — Adieti.na— AniETixrLA — Ro- 

 sacea — PuMiLA — Halecina, . . 134-162 

 S. (Thoa) Beanii, . . . . . 163 



Sertularia (Plumularia) falcata — Pinnata — Fascis, 176-18.5 

 S. Argentea, . . . . . .189 



S. (Nemertesia) antennina — Ramosa, . . 198 



CHAPTER V. — Campanularia — C. Dichotoma — Verticillata — Dumosa — 



Syringa, ..... 211-223 



S. Arcta, ...... 224 



ASCIDIAN ZOOPHYTES. 



Cellularia loriculata — Reptans — Fastigiata — Ciliata — 



AvicuLARis, ..... 233-243 



Aviculariuji, ..... 224 



CLUSTER OR SOCIAL ZOOPHYTES. 



Valkeria imbricata — CuscuTA — LeiNDIgera — Spinosa, . 24C 



Index, ....... 257 



ERRATUM. 



Page 72, line 5, for duodeciliu read se.edecilia (ciUis sej:<lecein.). 



