PORIFERA. 373 



Acarnus stelliferus, Bwlc. ( = Hymeraphia stellifera, Bwk.}. Clyde district 

 (Mon. Br. Spong., vol. iv.). 



Clathria clavigera, Bwk. ( = Hymeniacidon clavigera, Bwk.}. Clyde district 

 (Mon. Br. Spong. , vol. iv.). 



Ophlitaspongia seriata, Grant ( = Clathria seriata, Johns.} Cumbrae (C.). 



Phakellia ventilabnim, Johns. Clyde district (Mon. Br. Spong., vol. iv.). 



Tragosia infimdibuliformis, Johns. ( = Isodictya infundibuliformis, Bwk.). 

 Off Skate L, 80-100 f. (M.). 



Suberites domuncula, Olivi. ( = Suberites suberea, Gray). C. 



S. farinarius, Bwk. ( = Halichondria farinaria, Bwk.}. Clyde district (Mon. 

 Br. Spong. vol. iv.). 



S. ficus, Johns. ( = Hymeniacidon ficus, Johns.) Mod. abund. 



Polymastia sp.? Off Skate I. 80-100 f. (M.). 



Cliona celata, Grant ( = Hymeniacidon celata, Bwk.). Curabrae (C.). Lam- 

 lash B. (H.). 



Spongelia fragilis, Mont., var. irregularis ( = Dysidea fragilis, Johns.). 

 Lamlash B. (H.). 



