DEN DY— NON-CALCAREOUS SPONGES 



Figs. 4a-4gr. Esperella plumosa (Ca,vteT). (R.N. XXXII. 1). 



Fig. 4a. 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. 



id. Small isocliela, front view. X 870. 



M. „ „ side view. X 870. 



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



4e'. „ „ front view. X 870. 



4/. Small sigmata. X 870. 



4gr. Toxa. X 870. 



Figs. .5ch-5b""'. Ghiitarra indica n. sp. (R.N. IV. 5): 



Fig. 5a. Styli (tomostrongyla) . x 290. 

 „ 56. Placochela, front view. X 870. 

 „ 56'. „ I front view. X 870. 



„ 56". „ side view. X 870. 



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



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



Styli. X 290. 



Larger isocliela, front view. X 870. 



„ „ side view. X 870. 



Small isochela, front view. X 870. 



„ „ side view. X 870. 



Larger sigma, side view. X 870. 



„ „ back view. x870. 



Smaller sigmata. X 870. 



Figs, la-lb'. Ediinodictyum gorgonioides n. sp. (R.N. XXL). 



' Fig. 7a. Tornotoxeote. x 380. 

 „ 76, 76'. AcanthostyH. x 380. 



Figs. 8a-86. Bubaris radiata n. sp. (R.N. III. 7a). 



Figs. 8a-8a"'. Styli of various forms, x 90. 

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



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



Fig. 9a. Subtylostyle from skeleton column, x 110. 

 „ 96, Small tylostyle. x 380. 



