131 



Plate VI. 



Fig. 1. Thedoides inermis, n. g. et sp. Part of colony nat. size. 

 ,, 2. Thfixioides inermis, n. g. et sp. Portion enlarged ( x 6). Note the peculiar tentacles. 

 „ 3. Chvysogorgia ilichofotna, n. sp. Axis nat. size to show mode of branching. 

 „ 4. Acamptogorgia hebrycoides, von Koch. Branch ( x 2). 

 „ ». Acamptogorgia lieln-ycoides, von Koch. Terminal twig enlarged ( x 10). 

 „ 6. Ceratoisis gracdi.% n. sp. Part enlarged ( x 11) to show characteristic armature of polyps; 



(a) small portion nat. size. 

 „ 7. Sympodium jjulchrum, n. sp. Part of colony nat. size encrusting a sponge skeleton. 

 „ 8. Sflerohelemnon Icollikeri, n. sp. Portion enlarged ( x 5J). Note the peculiar pseudo-calyx and 

 the siphonozooids. 



Plate VII. 



Fig. 1. Pennaiula pendula, n. sp. A pinnule. Note the rugose autozooids and the ova appearing 



through the semi-tran.sj3arent walls. 

 „ 2. Chrywgorgia orientalis, Versluys. Portion enlarged to show the mode of branching and the 



characteristic architecture of the polyps. 

 „ 3. Protocaulon indicnm, n. sp. Part enlarged. Note the long polyps and the peculiar flagelli- 



form tentacles. 

 „ 4. Bafhyptilum indicum, n. sp. Colony nat. size. 

 „ 5. Stachyptilum viaculaium, n. sp. Colony nat. size. 



„ 6. Umhelhda elongata, n. sp. Portion of autozooid cut open to show the embryos. 

 „ 7. Protocaulon indicum, n. sp. Colony nat. size. 

 „ 8. Anthoptilum decipiens, n. sp. Part enlarged showing the reproductive bodies appearing 



through the thin body-walls. 

 „ 9. Stachyptilum maridatum, n. sp. Part enlarged showing the strong autozooids and the 



conspicuous stellate siphonozooids. 

 ,,10. Funicidina gracilis, n. .sp. Portion enlarged to show the arrangement of the autozooids and 



prominent projecting eight-lobed siphonozooids in an almo.st definite row on the metarachi- 



dial surface. 



Plate VIII. 

 Fig. 1. Peniiatula indica, n. sp. («) Complete colony nat. size ; {h) portion of rachis enlarged 



( X 10) ; (f) part of a pinnule enlarged ( x 10). 

 „ 2. Muricella hengalensis, n. sp. Twig enlarged ( x 8). 

 ,, 3. Umhellula purpurea, n. sp. Terminal portion nat. size. 

 „ 4. Agaricoides alcochi, Simpson, n. g. et sp. Colony nat. size. 

 „ -5. Pennatnhi splcndens, n. sp. Portion of rachis with four pinnules ( x 4). 

 ., 6. Spongodes alcoclci, n. sp. Terminal portion ( x 10). 

 ,. 7. Pennatula pendula, n. sp. Colony nat. size. 

 „ 8. Pennatula veneris, n. sp. Pinnule ( x 6). 

 ,, 9. Umhellula dura, n. sp. Colony nat. .size. 

 ,, 10. Pennatula petidnla, n. sp. Pinnule ( x 6). 



Plate IX. 

 Fig. 1. Acani/ifoi/orgia circium, n. s]i. 



,, 2. Didichoptilum graeile, Verriil. 



,; 3. Sti'ndla Itorrida, n. sp. 



