ANNULATA. 241 
Aup. and Epw. 1.1. p. 248, Pl. 16, figs. 9—13; Phyllod. saxicola QUATRE- 
FAGES, GuGRIN Magas. de Zool. 1843, Annél. p. 1, Pl. 1, &e. 
Psamathe Jounst. 
Loida Jounst. 
Comp. JOHNSTON, Ann. of Nat. Hist. Iv. pp. 229—231. 
Myriana Sav. 
Alciopa Aup. and Epw. Eyes large, lateral. Tubercles lobate 
(glandular) at the base of the pediform tubercles. Other characters 
as in Phyllodoce. 
Sp. Ale. Reynauditi Aub. and Epw. Ann. des Sc. nat. XXIx. pp. 236—238, 
Tab. xv. figs. 6—11; Comp, A. Kroun, Zool. und anat. Bemerkungen 
ueber die Alciopen, ERIcHSON’S Archiv. 1845, s. 171—184, Tab. vi. Besides 
the description of some new species this memoir contains also anatomical 
details, amongst which, especially those upon the eyes are worthy of notice 
(see above, p. 217). The glandular appendages of the rudimentary feet 
AUvUDOUIN and MILNE EpwarDs consider to be gills. 
Hesione SAv. Head broad, truncated, furnished with four lateral 
eyes and four small tentacles. Long tentacular cirri at the sides of 
the head. Setigerous tubercles of the segments undivided, with 
dorsal and ventral cirrus filiform, the dorsal long. Body oblong, 
with segments not numerous. Proboscis large, without jaws. 
Sp. Hestone splendida Sav. Descr. de P Egypte, Annél, Pl. 111. fig. 3, Guar. 
Iconogr. Annél. Pl. 8, fig. 3. 
Note.—Genus Halimede Ratuxe is distinguished from Hesione 
by three branchiz (lobed appendages) at each of the pediform 
tubercles (Beitr. x. Fauna Norw. pp. 166—169). 
Syllis Say. Head bilobed, anteriorly emarginate, with four 
eyes placed in transverse row, and three tentacles, thin, moniliform. 
Setigerous tubercles of the segments undivided, with dorsal cirrus 
long, moniliform. Proboscis without jaws. Body elongate, slender, 
with numerous segments. 
Sp. Syllis monilaris Sav. Deser, de V Egypte, Annél. Pl. Iv. fig. 3, GuéR. 
Iconogr. Annél. Pl. 8, fig. 1; Syll. Maculosa Epw., Cuv. R. Ani. éd. ill., 
Annél, Pl. 15, figs. 1, &e. 
Nereis Cuy. (spec. of gen. Nereis L., Lycoris Sav. and Lycastis 
Sav.) Head anteriorly attenuated, with four eyes arranged in two 
series and four short tentacles, the external larger,conical. Subulate 
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