Smith and Verrill—Dredgings in Lake Superior. 451 
‘ 
dorsal fascicles with four or five shorter, stouter, and straighter, 
acute sete. 
Six miles S.E. of Passage Island, 47 fathoms; on line from the 
teriorly, more slender posteriorly (02 in diameter). Cephalic 
lobe short, conical; one specimen apparently had two minute 
about ten small lobes. Seta in four fascicles upon each seg- 
ment. Those of the lateral fascicles three anteriorly, often but 
two, short, slightly curved, mostly with minute forked and 
hooked tips; those of the ventral series in fascicles of four to 
six, three or four times longer than the upper ones, considerably 
bent, the ends minutely hooked and forked. 
Neepigon Bay, 32 fathoms. ; 
Nephelis fervida Verrill, sp. nov. Leech two or three inches 
long, 20 to 0 wide, elongated and slender in full extension, 
very little depressed, most so posteriorly, often round and 
M 
‘tapering anteriorly. outh large, nearly circular, subterminal, 
the upper lip, in contraction, short and rounded; corrugated 
within the oesophagus with three conspicuous folds, eyes eight, 
blackish, conspicuous, two pairs, a little apart, on the first 
anteriorly to the anterior sucker, which is broad and thin, 
sub-cireular, about three times as wide as the neck where it is 
attached, Oeelli four, on the upper side of the anterior sucker, 
the two larger, black ones, in front, and two minute ones wider 
apart and farther back. Posterior sucker large, rounded or 
oval. Color translucent greenish, with minute black specks 
arranged in transverse band 
Among the Slate Islands, 6 to 8 fathoms. 
