FRONTISPIECE (Plate IX). 



1, 2. Valves of PHOLAS SHELL. 

 3. PHOLAS CRISPATA, with siphons ex- 

 tended. 



4. COMMON BRITTLE STAR (from Nature), 



showing the progressive growth 

 of new rays. 



5. COMMON CROSS-FISH, 



PLATE II. Page 47. 



1. Sir J. G. Daly ell's celebrated AC- 

 TINIA. 



2. A. CRASSICORNIS. 



3. A. TROGLODYTES. 



PLATE III. Page 65. 



1. EDIBLE-CRAB. 



2. EDIBLE-CRAB casting its shell (from 



Nature). 



3. SPIDER-CRAB. 



4. COMMON SHORE-CRAB. 



5. MINUTE PORCELAIN-CRAB. 



PLATE IV. Page 91. 



1. COMMON HERMIT-CRAB, in shell of 

 Common Whelk. 



2. COMMON HERMIT-CRAB out of shell 



3. SHIP BARNACLES. 



PLATE V. Page 153. 



1. COMMON BARNACLES attached to 

 shell of Limpet. 



2. ANIMAL or THE LIMPET as seen from 



below. 



3. THE LAMINATED NEREIS. 



1. COMMON MUSSEL open. 



2. THE MUSSEL closed. 



PLATE VI. Page 165. 



3. THE BEROE. 



4. THE FAN AMPHITRITE. 



PLATE VII. Page 191. 



1. TEREBELLA FIGULUS. 



| 2. TEREBELLA LITTORALIS. 



