QUEEN CHARLOTTE ISLANDS. 195 B 



the inner edge a rounded group of about six very slender, blunt spines, 

 the two lateral ones very short, the middle ones long ; outside of these 

 there is a transverse row, usually of three much longer and larger, 

 blunt spines." — Verrill. 



Dixon Entrance, in 111 fathoms, one fine, living specimen. 



Echinoidea. 



Dendraster excentricus, Yalenciennes. (Sp.) Beach in Virago Sound. 



I/oxechinus purpuratus, Stimpson. (Sp.) Near low- water mark and in 

 shallow water, common. Some of the specimens are six inches 

 and a quarter in diameter. 



Strongylocentrotus Drobachiensis (Muller) A. Agassiz. Masset Inlet and 

 elsewhere, at low tides, with the variety chlorocentrotus, Brandt. 

 Abundant. 



Brachiopoda. 



Laqueus Californicus, Koch. Fifty fathoms, mud, off Metla-Katla, a 

 few dead shells. 



Terebratella transversa, Sowerby. (T. caurina, G-ould.) Mouth of 

 Cumshewa Harbour, in 20 fathoms ; Houston-Stewart Channel, in 

 15-20 fathoms. Common, living, and of large size, at both local- 

 ities. 



Lamellibranchiata. 



Zirphcea erispata, Linnaeus. Beach north of Cumshewa Harbour, a 

 large, worn, right valve. 



Saxicava rugosa, Lamarck. Dolomite Narrows and Masset Inlet, first 

 expansion. 



Mya t?'uncata, Linnaeus. Dolomite Narrows and beach between 

 Virago Sound and North Island. 



Cryptomya Caltfornica, Conrad. Virago Sound, in 8 to 15 fathoms, one- 

 valve. 



Necera pectinata, Carpenter. Virago Sound, in 8 to 15 fathoms, and 

 Dixon Entrance, in 111 fathoms ; one specimen from each locality. 



Kennerlia filosa, Carpenter. Virago Sound, in 8 to 15 fathoms, three 

 specimens. 



Thracia curta, Conrad. With the preceding, one example. 



Lyonsia Californica, Conrad. One young, living specimen, from the 

 same locality as the two last-named species. 



