in d. Naturgesch. der niedern Thiere während d. J. 1880 u. 1881. 505 



ten Gephyreen; es wurden gefunden Sipunculus pria- 

 puloides Kor. et Dan., Pbascolosoma strombi Mont., 

 Ph. eremita M. Sars, Ph. margaritaceum M. Sars, Ph. 

 squamatum Kor. et Dan., Fh. LiUjeborgii n. sp. (Abb.), 

 Stephanostoma Ha n s eni n. g. n. sp. (Abb.), 

 Onchnesoma Steenstrupii Kor. et Dan., On. glaciale n. sp. 

 (Abb.), Äspidosiphon armainm n. sp. (Abb.); Priapulus 

 caudatus Lam., Priapuloides typicus Kor. et Dan. (= Pr. 

 bicaudatus Dan.), Halicryptus spinulosus v. Sieb., Hamin- 

 gia arctica n. g. n. sp. (Abb.), Saccosoma vitreum 

 n. g. n. sp. (Abb.) und Epithetosoma norvegicum n. g. 

 n. sp. (Abb.) 



Stephanostoma n. g. „Oral disk exceedingly broad, bearing 

 10 large tentacular groups, disperscd between which are a few iso- 

 lated tentacles; anal opening immediately posterior to the base 

 of the proboscis". 



Hamingia n. g. „body cylindrioal; mouth at the anterior 

 extremity, nearest the ventral surface; anal opening in the centre 

 of posterior extremity; a lunate somewhat prominent fold round 

 the mouth (rudim. proboscis); on the anterior portion of the ven- 

 tral surface two long cylindrical papillae, having each at the apex 

 a round aperture for the eferent duct of the corresponding uterus; 

 no bristles; the intestinal canal with numerous circumvolutions, 

 but no Spiral coil; it disembogues into a cloacum from both sides 

 of which issues a ramifying glandulär apparatus; the central nervous 

 chord smouth, destitute of nodes or ganglious; one ovary, proten- 

 ding along the nervous chord in the posterior half of the perivis- 

 ceral cavity ; two uteri, each with an eferent duct and funnel-sha- 

 ped tube". 



Saccosoma n. g. „body cucurbit-like in form; the anterior 

 portion cyliudric, opaque, with a round buccal opening at the free 

 extremity; the posterior portion, containing the whole of the intestinal 

 canal, almost globular, hyaline, terminating in an opaque conus, at 

 the apex of which is the anal aperture; the ovary in the anterior 

 portion of the perivisceral cavity; no bristles". 



Epithetosomatidae n. f.: „Body furnished with a cylindrical, 

 hollow tube, communicating with the perivisceral cavity; posterior 

 to this tube, on either side of the anterior extremity of the trunk, 

 a cleft, or fissure, the bottom pierced with apertures; no bristles. 



Epithel osom an. g. : Body cylindric. furnished at the anterior 

 extremity with a long, non-retractile, tubiform appendix (proboscis) ; 

 posterior to the appendix, on the ventral surface, the round buccaL 

 opening; on either side of the anterior extremity of the trunk, a 



