INDEX TO THE PLATES. 



Plate. Figs. page. 



18 1 Crisia chelata, magnified and of the natural size, with £ „-, 



a figure of its polype ^ 



2 Crisia Eburnea, magnified and of the natural size . . 99 



3 Crisia luxata 99 



4 Notamia loriculata 100 



5 Hippothoa catenularia, natural size and magnified . 101 



6 Hippothoa lanceolata, magnified 102 



19 1 Discopora hispida 109 



2 Anguinaria spatulata 103 



3 Tulmlipora trahens . 105 



4 Tubulipora fungia 107 



5 Tubulipora deflexa 107 



6 Tubulipora hyalina 108 



7 Tubulipora serpens 105 



8 Tubulipora phalangea 106 



9 Hippothoa sica, magnified 102 



20 1 Cellepora cervicornis Ill 



2 Cellepora ramulosa 110 



3 Farcimia Salicornia 129 



4 §• 5 Cellepora pumicosa 110 



21 1 Flustra foliacea, with magnified cells 121 



2 Flustra membranacea, with magnified cells and ova- ) ,„„ 



rian vesicle £ 



22 1 Cellepora vitrina, magnified 109 



2 Lepralia pustulata, magnified 113 



3 Lepralia nitida 114 



4 Lepralia innominata 114 



5 Lepralia tridentata 115 



6 Lepralia variolosa 116 



7 Lepralia vinca; the cells are proportionably rather } 



too large and the transverse punctures rather too> 116 

 small ) 



8 Lepralia fenestralis 117 



9 Lepralia reticulata 117 



10 Lepralia ciliata 118 



11 Lepralia insignis. This species was detected too late ~i 



for insertion in its proper place. It is not uncom- > 

 mon near low water mark 3 



12 Mcnibranipora pilosa 119 



13 Membranipora Peachii 120 



14 Lepralia pedilostoma 113 



15 Flustra lineata 124 



23 1 Cellularia ciliata 126 



2 Cellularia scruposa 126 



3 Cellularia reptans 127 



4 Cellularia plumosa . ; 128 



Omitted in the Index. 

 Zoanthus Couchii 73 



L. E. Gillet, Printer, 4, Prince's Street, Truro. 



