236 ROYAL SOCIEIY OK CANADA 



28. UnIO MAUOAIUTIFEHUS, Liiin. 



Jioth thcso shells are generally distril)uted in Britisli Columbia, the 

 formor in hikes and the latter in streams near the coast. Specimens of 

 both species are in the Provincial Museum, labelled Skeena River, a more 

 northerly locality than any in which I have collected, 



31. XrcuLA Bellotf, a. Adam?. 



Dr. Dall considers that the shells referred to in former papers as 

 JV. tenuis, Mont., and j\\ lurùla. G-)uld.. should be referred to N. Belloii. 

 A. Adam?, 



?>\a. Nlcula Caelottensis, D.iU. 



/. c, p. 6, pi. i, figs. 15 and 10. 



Off Queen Charlotte Islands, in 876 fathoms, U. S. Fish Commission 

 steamer "Albatross." 



Ij2. Leda fo.'^sa, Baird. 



This shell is figured by Dall {I. c, pi. ii, figs. 3 and 13), who points 

 out that it was described from a young specimen, so that the original 

 diagnosis is hardl}' sufficient. Dr. Newcombe has dredged this species at 

 Yietoria and Cumshewa Inlet. 



33. Leda acuta, Conv. 



Common at Cumshewa, SUidegate and Dawson Harbour, Q. C. I. 

 (Dr. Newcombe, "Nautilus," x, 19.) 



34a. Leda extenuata, Dall. 

 I. c.,p. 8, pi. ii,fig'. 2. 



346. Leda leonina, Dall.' 



Niiutilus, vol. X, no. 1, p. 2 (May, 1896). 

 Bull. >iat. Hist. Soc. B. C. p. 7, pi. ii, fig. 12. 



34c. Leda oellulita, Dall.^ 



Nautilus, X, no. 1, p. 1 ; Bull. N. H. S, B. C, p. 7, pi. ii, figa. .5 and 7. 



34(1. Leda conceptionis, Dall. 



Nautilus, X, no. 1, p. 2 ; Bull. N. H. S. B. C, p. 7, pi. ii, fig. 1. 



The first of these four species of Leda was obtained in very deep 

 water (1,569 fathoms) off Dixon Entrance, British Columbia, by the 

 U. 8. Fish Commission. The second and third have occurred in the 

 Straits of Fuca, and may therefore be included in our fauna; and the 



' New species of Leda from tlie Pacific coast. 



