ZOOLOGY OF FEENANDO NOBONHA. 



505 



the aperture and giving off processes from its upper border ; 

 operculum entire, large, oval, marked with concentric striae ; on 



Fig. 1. 



'"1 



Scrupocellaria frondis, n. sp. 



some cells a small pointed avieularian cell projecting from the 

 front of the cell ; lateral avicularia wanting ; on dorsal surface 

 vibracula, small, flattened, obliquely placed ; setae long. Ooecia 

 small, globose, vitreous, punctured. 



The presence of the antler-like spine across the top of the area 

 is a marked character of S.frondis. 



Loc. Fernando Noronha ; Pernambuco. 



Family Cellepoeid^. 

 Genus Cellepoua. 



Cellepoea Eidleyi, n. sp. (Fig. 2, p. 506.) 



Zoarium loosely encrusting; zooecia decumbent, rectangular, 

 and flattened at the margins, heaped, somewhat ventricose sub- 

 vertical in the centre, separated by raised lines ; orifice from 

 semicircular to subquadrate, witb concave proximal margin ; two 

 or three short processes surrounding the orifice ; at base of an 

 anterior process a small avicularium facing inwards, with small 

 semicircular mandible. On the front of some cells a small avieu- 

 larian cell with small rounded mandible. Ooecium shaped like a 

 thick semi-disc, concave below, overhanging the mouth of the 



LINN. JOUEN. — zoology, VOL. XX. 39 



