ZOOPHYTES. 



II 



Fig. 3, 3 a. Millepora tortuosa, different varieties of form ; 

 3 b, extremity of branch. — p. 545. 



Fig. 4. Millepora pumila, corallum, natural size. — p. 545. 



Fig. 5. Millepora platyphylla ; 5 a, surface, with cells, en- 

 larged; 5 a', same, natural size; 5 b, general appearance of trans- 

 verse section, natural size ; 5 c, same, enlarged. — p. 548. 



Figs. 6 a, 6 b. Constellaria constellata, transverse and ver- 

 tical section, very much magnified. (The diameter of the cells in 

 the specimens is about a tenth of a line.) — p. 537. 



PLATE 53. 



Fig. 1. Millepora incrassata, part of corallum, natural size. — 

 p. 547. 



Fig. 2. Millepora platyphylla, var. truncata, part of coral- 

 lum, natural size ; 2 a, position and size of cells. — p. 548. 



Fig. 3. Forties mordax, corallum, natural size ; 3 a, cell en- 

 larged. — p. 552. 



Fig. 4. P. mordax, var. elongata, corallum, natural size. — p. 

 553. 



Fig. 5. Porites compressa, corallum, natural size; 5 a, cell 

 enlarged. — p. 553. 



Fig. 6. Porites flexuosa, part of branch, natural size. — p. 554. 



Figs. 7, 8, 9, 10, 11, 12. Sections of cells in species of Porites. 

 —p. 550. 



PLATE 54. 



Fig. 1. Porites nigrescens, corallum, natural size (part of a 

 clump); 1 a, portion of the surface, magnified ; 1 b, part of a trans- 

 verse section of a branch, enlarged. — p. 557. 



Fig. 2. Porites nigrescens, var. mucronata, corallum, natural 

 size. — p. 558. 



Fig. 3. Porites palmata, corallum, natural size; 3 a, a portion 

 of surface, showing two cells enlarged. — p. 558. 



Fig. 4. Porites cylindrica, corallum of part of a clump, na- 

 tural size. — p. 559. 



Fig. 5. Porites levis, outline view of a branch of a corallum, 

 natural size; 5a, 5b, polyps in different positions: 5c, surface, 

 enlarged ; 5 d, part of a transverse section, enlarged. — p. 559. 



Fig. 6. Porites contigua, part of a clump, natural size ; 6 a, 

 surface of corallum, enlarged. — p. 560. 



PLATE 55. 



Fig. 1. Porites lobata, corallum, natural size; la, lb, cells, 

 enlarged. — p. 562. 



Fig. 2. Porites limosa, part of corallum, natural size; 2 a, cells, 

 enlarged. — p. 563. 



Fig. 3. Porites conglomerata, corallum, natural size; 3 a, cell, 

 enlarged. — p. 561. 



Fig. 4. Porites favosa, corallum, natural size ; 4 a, cells, en- 

 larged. — p. 564. 



Fig. 5. Porites cribripora, corallum, natural size ; 5 a, cell, 

 enlarged.' — p. 564. 



Fig. 6. Porites informis, corallum, natural size ; 6 a, expanded 

 polyps and surface of zoophyte, enlarged ; 6 b, cells and surface of 

 corallum, enlarged ; 6 c, part of a transverse section of corallum, 

 enlarged. — p. 565. 



Fig. 7. Porites monticulosa, corallum, natural size ; 7 a, ex- 



panded polyps, enlarged ; 7 b, cells, enlarged ; 7 c, part of a trans- 

 verse section, enlarged. — p. 566. 



Fig. 8. Porites erosa, corallum, natural size ; 8 a, cell, en- 

 larged. — p. 565. 



Fig. 9. Porites fragosa, surface of corallum, natural size; 9 a, 

 cells, enlarged. — p. 563. 



PLATE 56. 



Fig. 1. Antipathes anguina, extremity of zoophyte, with polyps 

 expanded, natural size ; 1 a, axis of the same ; lb, 1 c, polyps, en- 

 larged ; 1 d, portion of axis, enlarged. — p. 576. 



Fig. 2. Antipathes arborea, part of a branch, with polyps ex- 

 panded ; 2 a, polyp, enlarged ; 2 b, part of trunk, natural size. — 

 p. 584. 



Fig. 3. Porites reticulosa, corallum, very slightly magnified 

 (incorrectly referred to as fig. 1). — p. 567. 



Fig. 4. Porites lichen, corallum, natural size. — p. 566. (In- 

 correctly referred to as fig. 2.) 



Fig. 5. Goniopora columna, with polyps expanded, natural 

 size ; 5 a, polyp, enlarged ; 5 b, part of corallum, showing the cells, 

 natural size. — p. 569. 



PLATE 57. 



Fig. 1. Renilla Americana, natural size, with the polyps ex- 

 panded ; 1 a, polyp, enlarged ; 1 a', tentacle. — p. 588. 



Fig. 2. Rhizoxenia primula, polyps, natural size, on a piece of 

 coral rock; 2a, polyp, enlarged. — p. 601. 



Fig. 3. Xenia oerulea (?), natural size; 3 a, polyp, enlarged; 

 3 b, part of tentacle, more enlarged. — p. 605. 



Fig. 4. Xenia Florida, natural size; 4 a, upper view of tentacle, 

 enlarged ; 4 b, under view. — p. 606. 



Fig. 5. Xenia elongata, natural size ; 5 a, under view of ten- 

 tacle, enlarged ; 5 b, upper view, ib. — p. 606. 



Fig. 6. Alcyonhjm flexile, unexpanded. — p. 619. 



Fig. 7. Alcyonhjm confertum, unexpanded, one branch with 

 the polyps partly retracted ; 7 a, some of the spicula ; 7 b, polyp, 

 partly expanded. — p. 621. 



Fig. 8. Alcyonhjm brachycladum (?). — p. 617. 



PLATE 58. 



Fig. 1. Alcyonhjm tricanthinum, natural size; the polyps of 

 part expanded, but owing to the long, flexible, capillary tentacles, 

 the animals are not separately distinct. — p. 620. 



Fig. 2. Alcyonhjm rigidum, unexpanded, natural size. — p. 622. 



Fig. 3. Alcyonhjm murale, unexpanded, natural size. — p. 622. 



Figs. 4 and 5. Alcyonhjm glaucum, natural size. — p. 623. 



Fig. 6 a. Alcyonhjm latum, surface, magnified, of unexpanded 

 zoophyte ; 6 b, expanded polyp, enlarged ; 6 b', natural size of 

 polyp.— p. 623. 



Fig. 7. Alcyonhjm latum 1 



PLATE 59. 



Fig. 1. Tubipora syringa, part of a zoophyte, expanded; 1 a, 

 polyp, enlarged; 1 a', tentacle, more enlarged; 1 b, section, show- 



