Fig. 24. — ^Animffs 5a«isciciated witB Posidpfiia ocegiia, a ^ea-grass. 

 Three piec^of lea|^re shown|t>,Ci4/fer Jssel.) A. 1. AHydroid, 



a) 



I, 



obliqua. 



i. An |sopod| Idothea 



PlumulariaX (M^ 

 hectiga, prqt* 



|usii. B. 

 A smallfish.^^adogas^r h^aaj^^s, protegtivelyMoloured. 

 5. Growthfof "Jffiffliline, a calcar^us ^ga.. c. i,' 6. Mfmbrani- 

 pora. 7. A'H^wid, Sertula^ 



ti6aj_gr^tectlve§r coloured|| 3. A iBryozoo|^ MeigtDranipora 

 pilosa, and; small "patches of aflother^l^icropo^ella : 



^^fterranea. 



