ANNELIDKS. 
481 
behind the feet, and reaching from one branch to the other; the 
upper branches having a supplementary cirrus ; eyes two. 
Genus 2.—PLEIONE.—Za»iarc/o 
Generic Character. —Proboscis with a double protruding 
palate, and denticulated folds ; five doubly articulate, subulate 
autennse, the middle ones approximate, and inserted under the 
odd one; branchiae ramose, and somewhat fasciculated, sur¬ 
rounding the superior base of the dorsal branches of the papillae ; 
without supplementary cirri; having four eyes, the posterior ones 
indistinct. 
Genus 3.—CHLOEIA. —Lamarck. 
Generic Character .—Antennae five, subulate and doubly arti¬ 
culated, the central ones approximate and placed under the odd 
one; branchiae formed like tripinnate bones, and a supplemen¬ 
tary one at the upper branches at four or five of the first pairs 
of feet; two eyes. 
Section II.—Branchiae laminated, or crested filamentous, 
and pectinated on one side, sometimes quite indistinct. 
TRIBE II.-EUNICE. 
Branchiae, when conspicuous, placed uninterruptedly at all the 
pediform papillae ; with many jaws, always exceeding two, fewer 
on the right side than on the left; without the first pair of feet. 
Genus 4. — Oil NONE.— Lamarck. 
Generic Character .—Nine jaws, four on the right and five 
on the left, lower ones with strong dentations ; without project¬ 
ing antennae; head hidden under the first segment, which is 
large and rounded anteriorly ; eyes indistinct. 
Genus 5 .—AGLAURA. — Savigney. 
Generic Character _Nine jaws, four on the right side and 
five on the left, the under ones with strong dentations; three 
short antennae; head hidden under the first segment, with a 
bilobate forehead; eyes indistinct; destitute of tentacular cirri. 
