328 REPORT OF COMMISSIONER OF FISH AND FISHERIES. [622] 
SPIRORBIS LUCIDUS Fleming. 
Edinburgh Encyclop., vol. vii, p. 68; Johnston, Catalogue of British Non-Parasiti- 
cal Worms, p. 349; Malmgren, Annulata polycheta, p. 123. Serpula lucida Mon- 
tagu, Test. Brit., p. 506 (t. Johnston). Serpula porrecta Fabricius, Fauna Gren- 
landica, p. 378 (non Miiller). Spirorbis sinistrorsa Montagu, op. cit., p. 504; 
Gould, Invertebrata of Massachusetts, ed. i, p. 9, Plate 1, fig. 4, 1841. 
Deeper parts of Vineyard Sound, near the mouth, in10 to 12 fathoms, on 
hydroids and bryozoa; off Gay Head, 10 fathoms; off Buzzard’s Bay, in 
25 fathoms, on Caberea Ellisit ; off Block Island, in 29 fathoms, on Cabe- 
rea; Casco Bay, 6 to 20 fathoms, on alge, &c.; Bay of Fundy, 10 to 80: 
fathoms, on hydroids; Saint George’s Bank, 30 to 60 fathoms. Green- 
land; northern coasts of Europe. 
This species forms small, translucent, glossy, reversed spiral tubes, 
coiled in an elevated spire, the last whorls usually turned up, or even 
erect and free. 
There are six branchiz, which are large and broad, with long, slender 
pinne, which do not decrease in length till near the end; the naked tips. 
are short and acute.’ The operculum is sub-circular, somewhat obliquely 
attached to the slender pedicel, which is about half as long as the ex- 
tended branchiz, and enlarges rather suddenly close to the operculum ;. 
the outer surface of the operculum appears nearly flat, and is covered 
with adherent dirt. The collar is broad, with undulated and revolute 
edges. The three fascicles of sete are long and slender. Ocelli two, 
conspicuous. The animal, in expansion, is usually much exsert from 
the tube. Anterior part of the body bright red; branchiz pale green- 
ish; their bases and posterior part of the body bright epidote-green. 
It is the species catalogued as 8S. porrecta (?) on pages 498 and 504. 
OLIGOCH ATA. 
CLITELLIO IRRORATA Verrill, sp. nov. (p. 324.) 
Body very slender, the largest about 60™™ long, 0.75™™ in diameter, dis- 
tinetly annulated. Head conical, a little elongated, subacute; sete: 
commencing on the first segment; those on the anterior segments in 
fascicles of two or three, very short, small, in length not one-third the: 
diameter of the body, more or less curved like an italic f, obtusely 
pointed at the end; some of them are but slightly bent at the tip, others. 
are strongly hooked ; farther back there are three or four setz in the 
fascicles, and they are somewhat longer, and two or more in many of 
the fascicles are forked, the others simple, spinous, more or less curved ; 
in the upper fascicles posteriorly, and sometimes throughout the whole: 
length, there are two or three much longer, very slender, hair-like, flexi- 
ble bristles, but these are often absent from most of the segments,, 
perhaps accidentally. The intestine is voluminous, slightly con- 
stricted at the articulations; two bright red blood-vessels, distinctly 
visible through the integuments, run along the intestine, one above: 
and one below, following its flexures, without contractile lacunz. 
