PLATE Y. 
TUBULIPORA. — SlJPERC YTIS. 
Diam. Page 
Figure 1 . — Tubulipora Jlabellaris, . . . . . . 23 
la, front ; lb, back, . . . . x 25 
lc, orifice, . . . . . x 50 
„ 2 . — Tubulipora fimbria, ...... 23 
2a, front, with ooecium, . . . . x 25 
2b, orifice, . . . . . x 50 
,, 3 . — Super cytis digitata, . . . . . . 29 
3a, the zoarium, . . . . x 9 
„ 4 . — Supercytis tubigera, ..... 
4a, the zoarium, with ocecia, . . . x 9 29 
