44 ALCYONAEIA FROM THE INDIAN AND PACIFIC OCEANS. 



Fig. 50. Chironephthya variabilis (Hickson). Specimen B. 



These last two polyp-heads are from the same branch ; tliey show the great 

 variability of the species, and connect specimen C with the other forms. 



51. Chironephthya variabilis (Hickson). Specimen C. 



52. Chironephthya flavocapitata, sp. n. 



53. Chironephthya purpurea, sp. n. 



54. Chironephthya planoramosa, sp. n. 



55. Chironephthya retractilis. sp. n. 



56. Chironephthya siphonogorgica, sp. n. 



57. Chironephthya hieksoni, sp. n. 



58. Chironephthya pendula (Studer), var. bengalensis, var. n. 



59. Chironephthya annulata, sp. n. 



60. Chironephthya gracilis, sp. n. 



61. Chironephthya dipsacea, Wright & Studer. 



62. Chironephthya scoparia, Wright & Studer. 



63. Chironephthya crassa, Wright & Studer. 



64. Siphonogorgia rotunda, sp. n. 



65. Siphonogorgia puslulosa, Studer. 



Plate 7. 



Solenocaulon tortuosum (Gray). Specimen A. 

 Fig. 66. Spicules of the outer bark. 



67. Spicules of the inner bark. 



68. Spicules of the axis. 



69. Polyp. 



Solenocaulon tortuosum (Gray). Specimen B. 



70. Spicules of the outer bark. 



71. Spicules of the inner bark. 



72. Spicules of the axis. 



73. Polyp. 



Solenocaulon tortuosum (Gray). Specimen C. 



74. Spicules of the outer bark. 



75. Spicules of the inner bark. 



76. Spicules of the axis. 



77. Polyp. 



Solenocaulon ramosum (Hickson). 



78. Bark-spicules. 



79. Axis-spicules. 



80. Polyp. 



81. Polyp. This polyp is drawn on the same scale as all the figures of spicules. The scale is 



given on the left side of the Plate. The scale on the right side of the Plate is that on which 

 the four polyp-heads (figs. 69, 73, 77, & 80) are drawn. 



