ANNULATA. 245 
Tubercles of the feet similar in all the segments, supplied with 
a ventral cirrus only. 
Comp. Jounston, Ann. of Nat. Hist. Xvi. 1845, pp. 8—10, Spinther 
oniscoides, Pl. 11. figs. 7—14. 
Sigalion Auv., Epw. Body depressed, elongate, with numerous 
segments. Dorsal squame together with dorsal cirrus in most of 
the segments; the anterior segments that are without squame alter- 
nating with squamiferous segments. 
Sp. Sigalion Mathilde Aup. and Epw. Ann. des Se. nat. Tom, XXVII. 
pp. 441—443, Pl. 1x. figs. 1—10 ; Sigalion boa Jounston, Ann. of Nat. 
Hist. 11. pp. 439—441, Pl. xxi. figs. 6—15, (probably the same species as 
Sigalion Idune RatuHKE, Beitr. zur Fauna Norweg. pp. 130—155, Tab. 1x. 
figs. 1—8 ; comp. also Sigalion Estelle GuéR. Magas. de Zool. 1833, Annél. 
Pl 3): 
Acoétes Aup. and Epw. Body elongate, with numerous seg- 
ments. Branchial tubercles at the base of the pediform tubercles 
in all of them, dorsal squame large, the squamiferous segments, 
without dorsal cirrus, alternating with segments supplied with dorsal 
cirrus. A coriaceous tube longer than the body concealing the 
worm. 
Sp. Acoétes Pleei Aup. and Epw. Ann. des Sc. nat. XXVII. p. 437, Pl. x. 
figs. 7—14. 
Polyodontes Rentert, Aub. and Epw. (Phyllodoce Ranzant). 
Head small, with three tentacles and two pedunculate eyes. Dorsal 
cirri in the segments destitute of elytra, which alternate with squa- 
miferous segments; ventral cirri short, subulate in all the segments; 
distinct branchie none. Proboscis with two subulate cirri and warty 
margin, with four large denticulate jaws. 
Polyodontes Ranzanii, Phyllodoce maxillosa RANZANI, Opuscoli scientisict, 
Bologna, 1817, Tom. I. pp. 105—109, Tab. Iv. figs. 2—9, Mediterranean. 
Polynoé Sav. Body in some oblong or oval, in others slender, 
elongate. Head with four eyes set on tubercles, and five, sometimes 
four, tentacles. Jaws large, horny. Branchiw and dorsal cirri 
in pediform tubercles destitute of squama, which alternate with 
squamiferous feet. 
Sp. Polynoé squamata, Aphrodita squamata L., Baster, Natwurk. Uitsp. U1. 
Tab. vi. fig. v. Patuas Miscell. Zool. p. 91, Tab. vit. fig. 14 ; Polynoé 
levis, AuD. and Epw. Ann. des Sc. nat. XXVII. p. 421, Pl. 1x. figs. 11—19, 
GuERIN, Iconogr. Annél. Pl. 9, figs. 4, &e. 
