Fig. 49. Tedania spinata (Ridley). 



Fig. 50. Tedania murdochi, Topsent. 



a ^ c 



Fig. 52. Tedania pectinicola, Tliiele. 



U U U u 



ah c d e f 



Fig. 53. Embryonic spicules: a~b, T.charcoli; 

 c, T.pectinicola; d, T. temiicapitala; e, T. mur- 

 dochi; f, T. spinata. 



Species of Tedania 



whether this structure is figured or not, except 49 f. 



Fig. 51. Tedania massa, Ridley and Dendy. 



