SOLENIDiE. 339 



the tubuli being below the surface, and the simple or fringed 

 siphonal end projecting about an inch above the surface. 



Species of Brechites. 



agglutinans, Lam. ornatus, Chenu. 



aquarius, Bnrroiv. Philippinensis, Chenu. 



australis, Chenu. Recluzianus, Chenu. 



clavatus, Chenu. strangulatus, Chenu. 



Delessertianus, Chenu. tuberculatus, Chenu. 



dichotomies, Reeve. vagiuiferus, Lam. 



iucrassatus, Chenu. Zebuensis, Chenu. 

 Javanus, Lam. 



Sub-gen. fcegia, Gray. 



Tube naked, posteriorly clavate ; the disk of the club terminal, 

 small, porous, not fimbriated. 



Cumingianus, Chenu. Nova? Zealandiae, Gray. 



incertus, Chenu. semifimbriatus, Chenu. 



Novae Hollandia?, Chenu. Strangei, A. Adams. 



Fam. SOLENIDjE. 



Palpi triangular, broad. Mantle-lobes united, except 

 anteriorly, for the passage of the foot; siphons short and 

 united, or longer and partly separate, orifices fimbriated; 

 gills two on each side, narrow, and prolonged into the 

 branchial siphon. Foot large, elongated, thick, club- 

 shaped, truncated in front, not byssiferous. 



Shell transversely greatly elongated, sub -cylindrical or 

 oblong, equivalve, gaping at both extremities. Hinge with 

 two or three compressed teeth in each valve, the hinder one 



