834 EXPLANATION OF PLATES. 



PLATE II. POLYPS. 



Fig. 1. Anthelia glauca, p. 77. 



Fig. 2. Xenia umbellata, p. 77, both after SAVIGNY Descript. de TEgypte, 



Polypes, PI. i. 

 Fig. 3. Corallium rubrum, p. 83, magnified, after MILNE EDWARDS, Cu- 



VIER R. Ani., Zoophytes, PL 80, fig. 1. a, a, a, three polyps, of 



which the two lowest are retracted within the bark ; 6, 6, bark ; 



c, stony axis. 

 Fig. 4. Mopsea, Isis elongata, ESPER, p. 83, after a specimen in the 



National Museum of Nat. Hist, at Leyden. 

 Fig. 5. Caryophyllia ramea LAM., p. 86, after MILNE EDWARDS, CUVIER 



R Ani., Zooph., PL 83, fig. 1. 

 Fig. 6. Actinia coriacea Cuv., p. 91, after RAPP Polypen und Actinien, 



Taf. i. 3, 4. A, in the contracted state j B, expanded. 

 Fig. 7. Halodactylus diaphanus FARRE, p. 96. A, the gelatinous poly- 



pary of nat. size, after YAN BENEDEN Bryozoaires ; B, a polyp 



magnified 80 times, after FARRE Phil. Trans. 1837, PL 26, 



fig. 7. 



PLATE III. POLYPS, fig. 1 ; SEA NETTLES, figs. 2 8. 



Fig. 1. Plumatella cristata LAM., p. 96, after TREMBLEY Polyp. PL x. 



figs. 8, 9. Fig. A, natur. size; fig. B, three polyps magnified, of 



which one is retracted within its cell, and another still young 



and undeveloped. 

 Fig. 2. Vdlella scaphidia PERON, p. 110, after PERON Voyage aux terres 



Austr. PL xxx. fig. 6. 

 Fig. 3. Porpita umbella ESCHSCH., p. Ill, after PERON, PL xxxi. figs. 6 



and 6 a ; A, from the dorsal surface, B, from below. 

 Fig. 4. Diphyes campanulifera ESCHSCH., p. 118, after QUOY and GrAi- 



MARD Ann. des Sc. nat. x. 1827, PL i. figs. 1, 3. A, the animal 



consisting of two pieces, nat. size B. 

 Fig. 5. Cydippe pileus ESCHSCH., p. 121, after MILNE EDWARDS in CUVIER 



R. Ani., Zooph., PL 56, fig. 2. 

 Fig. 6. Cassiopea borbonica DELLE CHIAJE, p. 123, after the figure of 



DELLE CHIAJE reduced in GUERIN'S Iconographie. 

 Fig. 7. jEquorea violacea MILNE EDWARDS, p. 125, after the figure in the 



Ann. des. Sc. nat., 2e Serie, Tom. xvi. PL i. fig. 1. 

 Fig. 8. Nettle-organs (pp. 99, 100), from Pelagia noctiluca (p. 124), 



after WAGNER Icon. Zootom. Tab. xxxm. figs. x. XL A, when 



slightly magnified the round vesicles amongst the pigment- 



