Mr. H. J. Carter oti the Hexactinellidee. 361 



(fig. 6) ; or rays multitudinous, of unequal length, without 

 heads, flexed outwards and arranged en fieur-de-lis ; pappiform 

 {figs. 12 & 15). 



Symjiagella mix, Schmidt. Florida. (15) 



Spicules held together by amokphous sarcode. 



Species sessile, vasiform, deeply excavated, possessing a rosette. 



Rosette many-rayed; rays of unequal length, straight, 

 capitate (fig. 6). 



Askonema setubalense, Kent. Portugal. (16) 

 Species stalked, goblet-sJmped. 



Rosette few- or many-rayed : rays few, of equal length, 

 sti-aight and pointed (fig. 2) ; or multitudinous, of unequal 

 length, straight and capitate: pappiform (figs. 8 & 16). 



Crateromorjjka Met/eri, Gyslj. Cebu, Philippines. (17) 



Species sessile, sac-sliaped. 



Rosette many-rayed ; rays multitudinous, of unequal length, 

 straight, and capitate; pappiform (Atlantisch. Spongienf. 

 Taf. i. fig. 6). 



Holtenia Pourtalesu, Schmidt. Florida. (18) 



Species oblong, excavated, provided ivith anchoring-spicules. 



Rosette few- or many-rayed : rays few, of equal length, 

 straight, and pointed (fig. 3), or spino-capitate (fig. 5) ; or mul- 

 titudinous, of unequal length, without heads, flexed outwards 

 and arranged enJleur-de-Us ; pappiform (figs. 12 & 15) : or some- 

 times many-rayed with rays straight and capitate (fig. 6). 



Anchoring-spicules all smooth, stout, and terminating re- 

 spectively in heads formed oifour equally stout recurved spines 

 or hooks ('Annals,' 1872, vol. ix.pl. xxi. fig. 7, &c.). 



Rossella antarctica, Carter. Antarctic Sea. (19) 



pMlippinensis, Gray. Philippines. (20) 



velata, Wy. Thomson. South side of Faroe 



Islands. (21) 



Species tubular, unbranched, closed at the extremity. 



Rosette the same as in EuplecteUa aspergillum. 



Hahrodicf7/ons2)eciosuvi,Wy. Thomson. Moluccas. (22) 

 corhi'cula, Wy. Thomson, ? (23) 



