ANNELIDA. 
Verm. 35 
Pygospio, 2 spp., viz. P. seticornis , Oerst., and P. elegans, CIp., recognised ; 
MfssNiL (2) p. 85. 
Romanckella , n. subg. of Spirorbis for S. (R.) perrieri, n. sp., and ? for 
S. verruca , Fabr., possibly coinciding with the subg. Lcodora , St.-J. ; 
M^snil & Caullery (4) p. 210. 
Sabella sulcata , n. sp., Zanzibar, ? to include (S. fusca , Mcl.) non Gr. ; 
Ehlers, Nachr. Ges. Gottingen, 1897, p. 173 & (2) p. 109. 
Sabellides , position of genus in the Ampharetidce ; Fauvel (3) p. 179. 
(S. lcowalewslcii , Grimm ) — Hypania invalida ; Birula (1). 
Samytha adspersa, Grube, external and internal anatomy; Fauvel (3) 
pp. 155-162. 
Scalibregma inflatum , Rathke, var. corethrurus , n. var., Mchlsn., Little 
Karajakfjord, Greenland; Vanhoeffen, p. 223. 
Scolecolepis glutcea , n. sp., Straits of Magellan; Ehlers, Magal. Reise, 
p. 83. S. viridis , Verr., early development (cleavage); Mead, p. 270. 
(Serpula narconensis , Baird) and ( S . n. var. magellanica , Mcl.) and (S. 
patagonica, Gr.), all = $. vermicularis, L. ; Ehlers (1) p. 140. 
S phcerosyllis hirsuta , n. sp. (? the type of a new genus), and S. retrodens , 
n. sp., Straits of Magellan ; Ehlers, Magal. Reise, pp. 48 & 46. 
(Spio seticornis, Oerst.) non Fabr., referred to genus Pygospio : (S. ratli- 
buni, Webst. & Ben. ) = Pygospio elegans , Glp. : Spio flicornis , Fabr., 
compared with S. martinensis, Mesn. ; M^snil (2) p. 84. S. martinensis , 
Mdsnil, gregarine-parasite with another new kind of parasite inside 
it ; Caullery & Mj^snil (2). 
Spiophanes , 2 spp., viz. S. Jcroyeri , Gr., and S. bombyx , Glp., recognised, and 
distinguished from one another; M^snil (2) p. 91. 
Spirorbis , splitting up of genus into the following subgenera : — 
Subg. Dexiospira, for species with right-handed twist and 3 tho- 
racic segments, with 6 species, including S. marioni , n. sp., Panama, 
p. 199; 
Subg. Lceospira, for species with left-handed twist and 3 thoracic 
scgmonts, with 10 species, including S. bernardi , n. sp., probably from 
the Indian Ocean, p. 214, S. koehlcri , n. sp., Mediterranean, p. 214, 
S. langerhansi , n. sp., Panama, p. 217, S. mediterraneus , n. sp., Medi- 
terranean, p. 211 ; 
Subg. Paradexiospira, for species with right-handed twist and 3^ 
thoracic segments, with 3 species, all from Iceland or Greenland, 
p. 195; 
Subg. Paralceospira, for species with left-handed twist and 3| 
thoracic segments, with 6 spp., viz. : S. aggregatus , claparedei , lebruni , 
levinseni , patagonicus , n. spp., Coast of Patagonia, and S. malardi, 
n. sp., St Vaast-la-Hougue, pp. 202-207 ; 
Subgg. Romanchella and Lcodora , for left-handed species with 
characteristic chootoe in first chootiferous segment, with 3 species, in- 
cluding S. (It.) perrieri, n. sp., with 3 varr., all from Coast of Patagonia, 
pp. 208-211 ; Mi^snil & Caullery, Bull. Sci. France Belgique, xxx. 
S. borealis , anatomy; Schiveley. 
Sternaspis thalassemoides, Otto, genital organs, nephridia, muscular system 
and cuticle ; Goodrich (2). 
Sthenelais haddoni, n. sp.?, S. W. Ireland, at depth of 328 fathoms; 
McIntosh, P. Dublin Soc. viii, p. 403. S. sarsi , n. sp., Hardanger 
Fjord, and S. hetcrochivta, n. sp., also from Coast of Norway; 
McIntosh, Ann. Nat. Hist, xx, pp. 174 & 176. 
S. picta , segmentation of egg ; Treadwell. 
Syllides articulosus , n. sp., Straits of Magellan, and another, ? n. sp. ; 
Ehlers, Magal. Reise, p. 42. 
Syllis anops , n. sp., Straits of Magellan, S. bracliycola , n. sp., Straits of 
Magellan and S. Georgia ; Ehlers, Magal. Reise, pp. 39 & 38. 
