LIST OF ILLUSTRATIONS. 
WOOD ENGRAVINGS. 
FIG. 
1. Nymphon Abyssorum, NorMAN 
2. Caprella spinosissima, NoRMAN 
3. Pentacrinus asteria, LINNZUS 
PLATE 
i, 
g, 
COLOURED PLATES. 
1. FLustraA LINEATA; (a) enlarged with polypes pro- 
truding. 2. FiusrrA FoLracEA. 3. VALKERIA 
CuscuTA ; (a) natural size; (6) two tentacles; (c) 
tentacles bent inwards ; (d) enlarged, showing the 
gradual eversion of the animal. 4. Crista DEN- 
TICULATA; (a) natural size. 5. GEMELLARIA LorI- 
CATA; (a) natural size. 6. SERTULARIA RosEA ; 
(a) natural size. 7. CELLULARIA CILIATA; (a) 
natural size; (b) one of the bird’s heads; (c) cell 
and bird’s head, much enlarged. 8. CAMPANU- 
LARIA SYRINGA; (a) natural size. 9. CAMPANU- 
LARIA VOLUBILIS, enlarged. 10. SERIALARIA 
LENDIGERA. 11. NoTAm1A BuRSARIA; (a) natural 
size; (b) two pairs of — cells with the tobacco 
pipe appendages er 
1. CarpDIUM RuSsTICUM, (TUBERCULATUM). 2. Pacu- 
Rus BERNHARDI, in a Periwinkle Shell . 
b 
PAGE 
8] 
83 
85 
73 
65 
