PLATE XI. 



Fig. I. Solenocaulon querciformis n. sp. a, b and c, spicules from the ccenenchyma; d and e, spicules from 



the axis, a >; 100; the others x 88. 

 Fig. 2. Solenotattlon jedanensis n. sp. a, spicule from the axis; b and c, forms from the inner walls of 



calyces; d, from the coenenchyma. All X 120. 

 Fig. 3. Semperina brunnea n. sp. a and b, spicules from the axis; the others from the coenenchyma. 



All X 120. 

 Fig. 4. Suberia excavata n. sp. a, spicule from the axis; b, a Y-shaped form from the ccenenchyma. 



Both x 1 20. 



Fig. 5. Suberia macrocalyx n. sp. a, b and c, spicules from the ccenenchyma; y 88. 

 Fig. 6. Titanidium friabilis n. sp. a and c, spicules from the ccenenchyma; d, an intermediate form; b, a 



spicule from the axis. All X 120. 



Fig. 7. Suberogorgia appressa n. sp. a and b, spicules from the ccenenchyma, c, an axis spicule. All x 250. 

 Fig. 8. Suberogorgia thomsoni n. sp. e, an axis spicule; a, b, c and d, forms found in the ccenenchyma. 

 Fig. 9. Suberogorgia pulchra n. sp. a and g, fragments of the spicular mesh of the axis; b, c, e and /, 



oval forms from the ccenenchyma; d, rod-shaped form. 



