

DEN DY NON-CALCAREOUS SPONGES 145 



Figs. 4a~&g. Esperella plumosa (Carter). (R.N. XXXII. 1). 



Fig. 4. Tylostyles. X 290. 



46. Large anisochela, front view. X 870. 



46'. side view, x 870. 



46". ,, end view (small end). X 870. 



4c. Small anisochela, front view. X 870. 



4c'. side view. X 870. 



,, 4eZ. Small isochela, front view. X 870. 



4d'. side view. X 870. 



4e. Large sigma, side view. X 870. 



' 4:6'. front view. X 870. 



4/. Small sigmata. X 870. 



4gr. Toxa. x 870. 



Figs. 5a-56'"". Guitarra indica n. sp. (R.N. IV. 5). 



Fig. 5a. Styli (tornostrongyla) . X 290. 

 56. Placochela, front view. X 870. 

 56'. | front view. X 870. 



56". ,, side view, x 870. 



5 6"'-56'"". ,, developmental stages, side views. X 870. 



Figs. 6 0-6 e. Psammochela elegans n. gen. et sp. (R.N. XVIII. 3). 



Fig. 6a. Styli. X 290. 



,, 66. Larger isochela, front view. X 870. 



,, 66'. side view. X 870. 



6c. Small isochela, front view. X 870. 



6c'. side view. X 870. 



&d. Larger sigma, side view. X 870. 



6d'. back view. X870. 



Qe. Smaller sigmata. X 870. 



Figs, la-lb'. Echinodictyum gorgonioides 11. sp. (R.N. XXI.). 



Fig. la. Tornotoxeote. x 380. 

 76, 76'. Acanthostyli. x 380. 



Figs. 8a-86. Bubaris radiaia n. sp. (R.N. III. la). 



Figs. 8o-8a'". Styli of various forms. X 90. 

 Fig. 86. Strongyla of various forms. X 90. 



Figs. 9a, 96. Pdlymastia gemmipara n sp. (R.N. IV. 7). 



Fig. 9a. Subtylostyle from skeleton column. X 110. 

 96. Small tylostyle. X 380. 



