492 THE AMERICAN NATURALIST. | [Vor. XXXV. 
Pedicels scattered 
ore or less on the 
interambulacra. 4 
also C. miniata 
in the next section. 
Pedicels present 
Cucumaria. 
( Size large, up to 600 mm. ; deposits, when present, 
irregular smooth perforated plates C. frondosa (Gun.) 
Brown; practically circumpolar; on Atlantic coast of America 
) 
south to Florida; on Pacific coast, to Lower California (?). 
Size small, 40-50 mm.; Nae irregular 
knobbed buttons, sometimes with four symmet- 
rically placed holes, but more often wth several 
scattered ones . ^ lubrica Clark 
Pale brownish gray; n Sound. 
Size very small 15-20 mm.; deposits rather 
ho 
and, in the ventral wall, a few much larger 
plates with much larger holes . . C. curata Cowles 
Black; “eggs laid and cared for by mother; brooded under 
ventral surface,” “ FAM Grove, Cal, and possibly in region 
\ near San Francisco.’ 
( Deposits minute, reticulate cups and roundish or 
oval buttons with four holes C. quinquesemita Sel. 
Mendocino, Cal.. (Other specimens were labeled * Charleston,” 
but this is probably a mistake.) 
Deposits scattered irregular perforated plates, 
with one end drawn out as a spire or dentate 
process = = == =: . + C. albida Sel 
Yellowish (white in ae with brown spots; 80 mm. 
Mendocino and Pacific Grove, Cal. 
Deposits polygonal PM with 2 Sofi: holes 
a central sharp spin * jene (Stimp.) 
130 mm.; Sitka and oh Sound. 
Deposits an inner layer of narrow oblong plates 
o 
lacra, and there - with two or three rows of holes and an outer 
or two rows 
layer of tables . . . . . . C. caleigera (Stimp.) 
20 mm.; Massachusetts, Labrador, Greenland, and Arctic 
Ocean. Pacific Grove, Cal. 
Deposits irregular spinous rods or spicules 
C. nigricans (Brandt) 
Dusky yellowish-brown ; 60 mm.; Sitka and Puget Sound. 
Deposits a very crowded inner layer of hollow 
fenestrated ellipses and an outer Py of small 
reticulate cups or spheres . . Lbs Théel 
White; 7o mm.; Vancouver Island and Puget Sound. Pacific 
Grove, Cal. 
Deposits roundish perforated plates . C. minuta (Fabr.) 
- Clear brownish; 10 mm.; Grand Manan to Arctic Ocean. 
