290 ANATOMY AND PHYSIOLOGY OF THE SPONGIADjE. 



Sub- Order!. 



IlG. ^ 



381. Dysidea pragilis, Johnston. — See Fig. 271 for a 

 portion of the skeleton, and Figs. 270 and 272, 

 Plate XIV, for fibres of the skeleton. 



PEINTED BY J. E. ADLAED, BAETHOIOMEW ^JIOSE. 



