334 Messrs. S. O. Ridley and A. Dendj on 



Oellius calyx, n. sp. 



Hollow pyriform body, with round opening at summit and 

 long slender stalk j length 3^ inches. Greyish yellow. Body 

 soft and fragile, stem hard and stringy. Surface minutely 

 hirsute. Skeleton loosely fibrous in body, compactly fibrous 

 in stem. Spicules: — (1) sharply and gradually pointed ace- 

 rates, sometimes tending to become blunt, size '7 by '022 

 niillim. ; (2) bihamates of usual shape, "02 by "002 millim. 



Locality. Station 320, off E,io de la Plata, 600 fath. 



Oellius flahdlif or mis ^ n. sp. 



Erect, compressed, forming thin lamellce ('? cup-shaped). 

 Greyish yellow, ^trj fragile. Surface even. Vents? 

 minute, abundant, on concave surface. Pores numerous, on 

 convex surface. Skeleton a loose, irregular reticulation of 

 spicules. Spicules : — (1) large acerates, sharply pointed, 

 slightly bent, size '7 by '03 millim. ; (2) bihamates, much 

 curved, stout, '07 by '0063 millim. ; (3) tricurvates smooth, 

 with very obtuse central angle, very large, size "18 by '0063 

 millim. 



Locality. Station 320, off Rio de la Plata, 600 fath. 



Genus Gelliodes (Ridley). 



Distinct and well-developed fibre, with more or less spongin. 

 Bihamates present. 



Gelliodes jjoculum^ n. sp. 



Consisting of a thin incrusting lamella, from which arise 

 large funnel-shaped calices. Brownish yellow. Texture 

 soft, spongy, but very tough and fibrous. Surface uneven 

 but fairly smooth. Skeleton : — (a) main, a reticulation of 

 stout horny matter, sparsely cored by uniserially arranged 

 spicules ; (i) dermal, a closer reticulation of stout horny fibre, 

 with few axial spicules, but echinated abundantly by tufts of 

 outwardly projecting spicules. Spicules: — (1) short fusiform 

 acerates, sharp-pointed, slightly curved, size '2 by '014 

 millim. ; (2) large slender bihamates, size '12 by '004 

 millim. 



Locality. Port Jackson, 30-35 fath. 



Genus ToxocHALiNA (Ridley). 



Fibre as in typical Chalinina, but tricurvate flesh-spicules 

 present. 



