8 Z o r H 



tical section of a calicle ; 1 e, transverse section, near base of zoo- 

 phyte, natural size; 1 f, same, near apex. — p. 387. 



Fig. 2. Dendrophyllia scabrosa, corallum, natural size. — p. 

 390. 



Fig. 3. Dendrophyllia diaphana, corallum, natural size. — p. 

 389. 



Pig. 4. Dendrophyllia coccinea, corallum, natural size. — p. 

 388. 



Fig. 5. Oaryophyllia flexuosa, part of corallum, natural size, 

 —p. 381. 



Fig. 6. Oaryophyllia conferta, part of corallum, natural size, 

 —p. 380. 



Fig. 7. Oaryophyllia arbuscula, corallum, natural size. — p. 

 381. 



Fig. 8. Oaryophyllia pocillum, corallum, natural size. — p. 384. 

 Fig. 9, 9 a. Oaryophyllia dilatata, corallum, natural size.— 

 p. 384. 



Fig. 10. Gemmipora prondens, corallum, excepting a single 

 lobe, iti outline, natural size; 10 a, animal, partly expanded ; 10 b, 

 section of corallum, enlarged; 10 c, surface of corallum, magnified, 

 —p. 412. 



Fig. 11. Gemmipora cinerascens, surface of corallum, magni- 

 fied.— p. 411. 



N. B. In the text, the above figures are referred by mistake to 

 plate 30. 



PLATE 28. 



Fig. 1. Oculixa horrescens, corallum, natural size; 1 a, trans- 

 verse section of branch, magnified; 1 b, calicle enlarged.— p. 392. 



Fig. 2. Anthophyllum hystrix, corallum, natural size; 2 a, 

 polyp, enlarged; 2b, tentacle, enlarged; 2 c, calicle, natural size; 

 2 d, transverse section of calicle ; 2 e, texture of spongy part, mag- 

 nified. — p. 401. 



Fig. 3. Axtiiophyllum clavus, corallum, natural size; 3 a, 

 calicle, enlarged; 3 a', same, natural size; 3 b, section of part of 

 stem. — p. 403. 



Fig. 4. A nthoph yll UM cespitosum, calicle, natural size.— p. 

 401. 



Fig. 5. Culicia stellata, calicles, natural size ; 5 a, expanded 

 polyp, enlarged ; 5 b, tentacle, enlarged ; 5 c, calicle, enlarged ; 5 d, 

 lamellae of calicle, enlarged. — p. 377. 



Fig. 6. Culicia TENELLA, calicle, enlarged; 6 a, natural size; 

 6 b, lamellae of cell, enlarged. — p. 377. 



Fig. 7. Culicia truxcata, calicle, enlarged ; 7 a, same, natural 

 size. — p. 378. 



PLATE 29. 



Fig. 1. Gemmipora brassica, corallum, showing the cells, na- 

 tural size; 1 horizontal section of corallum, enlarged, viewed 

 from above ; 1 c, calicle, enlarged.— p. 413. 



Fig. 2. Gemmipora palifeka, corallum, natural size; 2 a, trans- 

 verse section, enlarged ; 2 b, polyp, enlarged.— p. 409. 



Fig. 3. AstrjEOPORA PULVINARIA, corallum, natural size; 3 a, 

 animal, enlarged, partly expanded ; 3 b, cell, enlarged ; 3 c, animal, 

 less expanded; 3 d, vertical section of corallum, enlarged.— p. 415. 



PLATE 30. 



Fig. 1. Isaura speciosa, natural size; 1 a, animal, enlarged.— 

 p. 419. 



Y T E S. 



Fig. 2. Isaura aster, natural size; 2 a, animal enlarged. — p. 

 419. 



Figs. 3, 3 a, 3 b, 3 c, 3 d, 3 c, 3 f, 3 g, 3 h. PalytHOA c.esia. — 

 pp. 40, 127. 



Figs. 4, 4 a, 4 b. Gemmipora peltata. — p. 410. (Reference 

 omitted in the text.) 



N. B. Several figures, referred in the text by mistake to Plate 

 30, will be found on Plate 27. 



PLATE 31. 



Fig. 1. Madrepora CRiBRiroRA, zoophyte expanded, natural 

 size ; 1 a, polyp, enlarged ; 1 b, extremity of branch of corallum ; 



1 c, surface of corallum magnified about 10 diameters; I d, part 

 of a transverse section of corallum, enlarged. — p. 470. 



Fig. 2 a. Calicle of Madrepora Formosa, enlarged, lateral view; 



2 b, end view, showing cell and rays. — pp. 432, 473. 



Figs. 3 a, 3 b. Calicles of Madrepora robusta, enlarged, lateral 

 view ; 3 c, end view, showing cell and rays. — pp. 432, 475. 



Figs. 4 a, 4 b. Calicles of Madrepora humilis, enlarged, 

 lateral view ; 4 c, end view. — pp. 432, 483. 



Fig. 5. Calicle of Madrepora hystrix, lateral view, enlarged ; 

 5 a, end view. — pp. 432, 476. 



Figs. 6 a, G b, 6 c. Calicle of Madrepora spicifera, enlarged, 

 different views. — pp. 432, 442. 



Fig. 7 a. A dimidiate calicle, 132. 



Fig. 8 a. Calicle of Madrepora appressa, lateral view, enlarged; 

 8 b, end view. — pp. 432, 457. 



Fig. 9 a. Calicle of Madrepora eciiidx.ea, lateral view, en- 

 larged ; 9 b, end view. — pp. 432, 45S. 



Fig. 10 a. Calicle of M adrepora labrosa, lateral view, enlarged ; 



10 b, end view. — p. 4S6. 



Fig. 11 a. Madrepora palmata, end view of calicle, enlarged; 



11 b, 11 c, 11 d, \\f, different calicles, natural size. — p. 436. 

 Fig. 12 a. Madrepora alces, end view of calicle, enlarged; 



12 b, 12 c, 12 d, 12 e, 12/ different calicles, natural size. — p. 137. 

 Fig. 13 a. Madrepora flabellum, end view of calicle, enlarged; 



13 b, 13 c, 13 d, 13 e, different calicles, natural size. — p. 438. 



PLATE 32. 



Fig. 1. Madrepora conigera, part of corallum, in outline ; 1 a, 

 one of the conical prominences. — p. 440. 



Fig. 2. Madrepora hyacinthus, fragment of corallum, natural 

 size, showing branehlets of upper and under surface. — p. 44-1. 



Figs. 3 a, 3 b. Madrepora cytuerea, fragments of corallum, 

 natural size, showing branehlets and parts of the main branches ; 

 3 a, somewhat weathered. — p. 441. 



Fig. 4. Madrepora su aculosa, corallum, natural size ; 4 a, 

 branehlets, natural size. — p. 445. 



Fig. 5. Madrepoi;\ SUACULOSA ( I ). — p. 445. 



Fig. 6. Madrepora ACULEUS, part of corallum, natural size; 6 a, 

 brancblet, natural size. — p. 450. 



Fig. 7. Madrepora tubicinaria, corallum, natural size; 7 a, 

 extremity of branch, natural size. — p. 451. 



PLATE 33. 



Fig. 1. Madrepora prostrata, part of corallum, natural size; 

 1 a, polyp enlarged ; 1 b, same, partly contracted ; 1 c, branchlet 

 of corallum ; 1 d, surface enlarged ; 1 e, cell enlarged in profile; 

 If, transverse section of branch of corallum, enlarged.— p. 447 



