LT TOO ee EF TRG ARTO AE RR OT PASE AEE 7 
height 3.5, diameter 2 mm. North to Tillamook, Oregon. _ 
21:0064 Yoldia sanesia Dall. Alaska (to Point Conception Cal.). 
21:0065 Yoldia cecinella Dall. Gulf of California (north to 
Aleutian Islands). 
21:0066 Yoldia capsa Dall. Off Tillamook bay, Oregon, in 786 
Fathoms. 
21:0067 Malletia (Minormallettia) talama Dall. Bering Sea (to 
Oregon). 
21:0068 Malletia (Neilo) fiora Dall. Sitka bay, Alaska, 1567 
fathoms. 
21:0069 Tindaria californica Dall. Off Santa Barbara Islands, 
Cal. : 
Shell small, olivaceous, darker distally, inflated, smooth ex- 
cept for incremental lines, polished, swollen, inequilateral; beaks 
inconspicuous, with a large escutcheon bounded by an angle of the 
surface, but no lunule; anterior end rounded, plump, 4 mm in- 
front of beaks; posterior dorsal slope being somewhat concave; 
the base evenly arched, hinge with 13 anterior and 18 posterior 
teeth; ligament strictly external, pallial sinus deep. Length 
10:5, height 6, diameter 4.5 mm. South to San Diego, Cal. 
21:0070 Tindaria brunnea Dall. Bering Sea. 
21:0071 Tindaria martiniana Dall. Off Santa Barbara Islands, 
Cal. 
Shell small, solid, olivaceous, inflated, subtriangular, in- 
equilateral, the beaks nearer the anterior end; sculpture of fine 
concentric and still finer radial striae only visible under magnifi- 
cation; beaks full, incurved, 3.5 mm from anterior end, a small 
lanceolate lunule and a narrower and longer escutcheon are in- 
dicated only by the brown color of their areas against the pale 
olive of the shell; shell rounded in front, pointed bluntly behind, 
base arcuate, dorsal slopes nearly straight; hinge with 14 an- 
terior and 16 posterior slender teeth, ligament entirely external 
and posterior. Length 8.6, height 6.5, diameter 5 mm. Cape 
San Martin, deep water. 
21:0072 Tindaria ritteri Dall. Off La Jolla, Cal., 293 fathoms. 
Shell small, plump, smooth except for incremental lines, 
brilliantly polished, pale olive, darker near margin, rounded in 
front, inequilateral, slightly recurved, and bluntly pointed and 
attenuated behind; beaks low, ligament very short and wholly 
posterior, 10 to 11 slender V-shaped teeth on either side. Length 
7, height 4, diameter 2.6 mm., the beaks 2.5 mm, behind the 
anterior end. 
21:0073 Tidaria dicofania Dall. Off San Diego, Cal., 822 fathoms. 
Shell small, olivaceous, callistiform, arcuate, with swollen 
beaks, concentrically uniformly sculptured, nearly equilateral, the 
anterior end shorter; a small lanceolate lunule and escutcheon 
present; both ends rounded, base conspicuously arcuate, the pos- 
terior end slightly attenuated; about 11 teeth on each side of 
hinge, ligament, wholly external. Length 4.5, height 32, diam- 
eter 2 mm. ; 
i 
' 
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