INDEX TO THE PLATES. 



-••.^®<f. — 



Several errors luiving crept in relating to the figures, the reader is requested to correct 

 such as may occur by the following revised list. 



Plate. 

 V 1 



/ 3 

 / 4 



^5 



"6 



^ 7 



' 9 

 ' 10 



Figs. 



3 

 1 

 3 



page. 



Different appearances of Coryne Squamata .... 11 



Herraia glandiilosa, magnified and of the natural size . 12 



Tubiilaria indlvisa; 2 its polype 1.3 



The polype of Tnbularia larnyx 13 



Part of a fine specimen of Tlioa iialecina 13 



Thuiaria articnlata, of the natural size and magnified ) 



to show the cells and ovarian vesicles . . . . \ "" 

 Thuiaria thuia in different stages of growth and a) 



portion magnified ^ ^' 



Sertnlaria nigra, natural size and magnified, laden ^ 



with ovarian vesicles ^ ""^^ 



Showing ditl'erent modes of growth of Anteunniaria? 



antennina, (!v:c ^ -^ 



Plunuilaria cristata in two forms of growth, with a ^ 



magnified view of the cells and ovarian vesicle . \ '■'' 



Plumularia niyriophyllum 3q 



Laoniedea geniculata of the natural size and magnified,") 

 showing the cells and their polypes, with ovarian f 



vesicles, and near the lower part a diagram showing (" ° 

 the funnel shaped opening in newly formed cells . j 



Laomedea gelatinosa, natural size and magnified ... 39 



Campanularia volnbilis 40 



Magnified view of Campanularia syringa, (not dumosa) 14 



Campanularia interlexta, of the natural size and magnified 41 



Campanularia verticillafa 42 



Gorgonia verrucosa of tiie natural size with a frag- > 55 



ment of Gorgonia piacomus, No. 2, on the stone . \ 5Q 



Two states of Caryophyllia Smithii 72 



Alcyonium sanguineum of the natural size 6() 



Alcyonium digitatum 5q 



A group of Actinia mesenil)ryanthemam 74 



A group of Anthea cereus 81 



Old and young specimens of Actinia parasitica ... 80 



Zoanthus Couchii in different states of expansion . 73 



Lucernaria Auricula; 2 iis mouth; 3 its foot ... 83 



Serialaria lendigera, natural size and magnified ... 94 



Sertularia pumila jg 



Valkeria uva, growing on No. 5 95 



Vesicularia spinosa, magnified and natural size ... 94 



Valkeria imbricata, magnified and natural size . . . 95 



Valkeria cuscuta, magnified and natural size ... 96 

 Crisia cornuta, magnified and natural size. The mag-l 

 nified figure on the right hand is the common formf 



in which it occurs, that on the left is very rare and l" ' 



may prove a distinct species j 



