DAPHNELLA. 317 



the species cannot be a Surcula. I place it here temporarily, but 

 it is not unlikely that a new group, perhaps a genus, will need to 

 be made for it. 



Section MITROMORPHA, A. Ad., 1865. 

 D. FILOSA, Carpenter. PL 25, fig. 63. 



Equally spirally lirate throughout, lip scarcely sinuous, with 

 about a dozen minute internal denticles ; purple-black, or choco- 

 late-color, without and within. Length, 5-6 mill. 



So. California, Lower California. 

 D. ASPERA, Carpenter. PL 25, figs. 61, 62. 



Spirally lirate and longitudinally closely costulate, the inter- 

 sections forming a roughly asperated surface ; reddish brown. 

 (Length, 3-5 mill. 

 S. California, Lower California. 

 Yar. GRACILIOR, Hemphill. Fig. 62. 



Decussation not so deep, so that the surface is smoother, the 

 tuberculation smaller ; sometimes the clathration of the body- 

 whoii is onlvseen on the upper portion, the longitudinal costulae 

 becoming obsolete below. Length, 4-5 mill. 

 D. EFFUSA, Carpenter. 



Shell graceful, much effused, reddish brown ; whorls narrow, 

 elongate, sutures impressed ; spirally striate, decussated by 

 growth-lines ; lip thin, scarcely sinuate ; reddish brown. 



L. 15*5 mill, diam. 5'5 mill. 



Neeah Bay, Washington Terr. 



Described from a single broken specimen (not figured \ 

 D. LTRATA, A. Adams. 



Shell whitish or light brownish, mitriform, acuminated below, 

 spire and aperture of equal length ; normal whorls five, convex, 

 transversely lirate, the lirse about equal and equidistant ; aperture 

 narrow, columella arcuately truncate, with an anterior incon- 

 spicuous plication, lip smooth within, margin crenulated. 



Japan. 



"A variety or allied species has the whorls longitudinally 

 plicate, and some of the transverse lirse corrugate or undulated." 

 No figure ; dimensions not given. 

 D. FLORIDANA, Dall. PL 34, fig. 12. 



Cancellated by longitudinal and spiral sculpture, the inter- 

 sections nodulous, suture distinct, not channeled, outer lip thick, 



