136 TflE FAMILY (IF TUE DESMACIDIXAE. 



the Suberitidae The anchors are rather stout : there are 

 two extremes, viz. those with short, thick shafts and those 

 with long , slender shafts ; transitions often occur between 

 these two. The three hooks are strong, and resemble 

 claws or the roman liarpago. I am not sure whether bows 

 and S-shaped spicules occur. I have noted at the time that 

 I have seen them, but I cannot find them again just now. 



Genus VIII. Hastatus ^) Nov. Gen. 



Acerate rods loith hastate ends; also simple acerate rods 

 and smooth or spined acuate spiades. Anchors equiended. 



1. Masluttis luridus (Bwk.) Vosm. 

 Synon. Isodictya lurida Bwk. '66. 



Litt Bowerbank. M. Br. Sp. II p. 336 , III p. 149. 

 Spic. tr. ac. (two kinds.) 



tr. ac. sp. 



ac"^. NB. 



ac^. (slender). 



anc^.3. 

 Loc. Northumberland. 



2. Mta status IficTtiei (Bwk.) Vosm. 

 Synon. Halichondria Dickiei Bwk. '^Q>. 



Litt. Bowerbank. M. Br. Sp. II p 253, III p. Ill, 

 Spic tr. ac. sp. 



ac2. NB. 



ac^. 



anc^3. (anc^2 ?) 

 Loc. Strangford Lough. 



Genus IX. Ceibrella. 0. S. '62. 



Rods smooth or spined. Anchors hi- or tridentate, equiended. 

 Pores congregated in sieve-like gronps. 



1. Crihrella Untnigem '62. 



]) Uasiatm, armod with a Jmsta. The roman hasta liail lanceolate points 

 at both extremities. 



Notes Irom the Leyden IVEuseuxxi, Vol. H. 



