's RIJKS MUSEUM VAN NATUURLIJKE HISTORIE — LEIDEN. 79 



p. 469, PI. XXX, figs. 1—4. Kaiser Wilhelm-land, Siid Victoria-land. 



obscurci Yerr. Invertebr. animals of Vineyard Sound etc. U. St. Comm. 

 of Fish and Fisheries, Pt. I, 1873, p. 589, PL XII, fig. 61. Province- 

 town and Wellfleet. 



pallida (Clpd.). Glan. Zootom. p. 1. Annél. de Port-Vendres, 1864, 

 p. 61, PI. IV, fig. 1. Pruvot et Kacovitza, Annél. de Banyuls. Arch. 

 Zool. exp. (3e Sér.). Vol. Ill, p. 423, PI. XVIII, figs. 77—83. Mediter- 

 ranean (Port Vendres et Banyuls). 



pugettensis Johns. Proc. Bost. Soc. Nat. Hist. Vol. XXIX (1901), 

 p. 397, PI. Ill, figs. 23—25. Percy Moore, Polych. Annél. from 

 Montereybay and San Diego, Proc. Acad. Nat. Sc. Philadelphia, 1909, 

 p. 243. San Diego. 



viridescens Ehl. Ehlers, die Borstenwiirmer, p. 194, PL VIII, figs. 6 — 8. 

 Marion et Bobretzky, Annelid, du Golfe de Marseille, p. 49. Quarnero. 

 Golf of Marseille. 



Genus Opliiodromus Sars. 



(Stephania Clap.). 



(Orthodromics Ehl.). ! ) 



Body elongated. Cephalic lobe with 3 antennae on its anterior mar- 

 gin; palps present. Two pairs of eyes. Proboscis not armed. 3 pairs of 

 smooth tentacular cirri on each side. Parapodia distinctly biramous, with 

 an elongated, cirrus-like anterior lip. Dorsal setae capillary and lyrate. 



ftexuósus Dl. Ch. Mc Intosh, loc. cit., p. 117, Pits. 58, 69 and 79. 

 Southern, loc. cit., p. 47, PL V, fig. 9. Coast of Europe. 



spinosus Ehl. Bodens. Annel. d. deutschen Tiefsee-Expedition, p. 61, 

 PL VII, figs. 1 — 7. Augener, Beitr. z. Kenntnis d. Meeresfauna West- 

 Afrikas, Polychaeta, 1918, p. 224. West-Coast of Africa (Angola, Congo). 



Genus Periboea Ehlers. 



Body short. Cephalic lobe with 2 antennae and two palps. Two pairs 

 of eyes present. Proboscis with papillae and hairy appendages on its 

 anterior margin. 7 (3 -f 2 pairs) tentacular cirri on each side. Parapodia 

 uniramous. 



longocirrata Ehl. loc. cit. p. 199, PL VIII, figs. 12 — 16. Quarnero. 



Genus Dalhousiella Mc Intosh. 

 Body of the typical form. Cephalic lobe with 2 antennae on its an- 

 terior margin and a frontal tubercle; palps present. 4 eyes. Proboscis 



1) According to Augener, who could examine the typical specimen, the genus Orthodromus 

 is identical with Opliiodromv.s ; for he could not approve Ehlers suggestion, that in his species 

 the palps were not articulated. 



