Systematik. 1 59 



EcMurus abyssalis Skorikow 1905 (Syn. E. palasii Gu.); E. echiurus (Pallas) 

 1766 [Syn. 1766 Lmnbricus echiurus Pallas; 1809 Thalassema vulgaris 

 Savigny; 1817 Th. echiura Cuvier; 1824 Th. aquatica Leach; 1832 — 33 

 Echiurus pallasii Guerin-Meneville ; 1841 E. vulgaris Forbes; 1847 E. 

 gaertnerii Quatrefages; 1859 E. lütkeni Diesing; 1780 (E.) forcipatus 

 Fabricius (Syn. 1780 Holothvuüa foreipata Fabricius; 1851 Bonellia 

 fabricii Diesing; 1857 E. forcipatus Reinhardt); 1838 — 39 (E.) chryso- 

 canthophoras Couthouy (Syn. 1838 — 39 Holothuria chrysocanthophora 

 Couthoy; 1851 E. chrysocanthophorus Pourtales; 1900 E. pallasi 

 Wilson); 1835 E. sitchaensis d. Brandt (syn. E. unicinctus 1895, W. 

 Fischer)]; Skorikow. Echiurtis unicincttis ; Ostroumow. 



Hamingia; Skorikow. 



Investigator n. g. sicarius n. sp. ; Stewart. 



PhascoUon spitzbergense, Ph. strornbi; Moltschanow. 



Phascolosoma minututn; Southern. Ph. pavlenkoi n. sp. ; Ph. nigrum, 

 Ph. semperi; Ostroumow. 



Physcosoma japonicum; Ostroumow. 



Priapultis ; Stewart. 



Saccosoma; Skorikow 



Sipunculus nudus; Buytendyck. 



Spiroctetor n. g. „Nepliridia basi appendicibus binis spiralibus („infondi- 

 bulus") ornata. Anus corona unica spiniilarum aiirearum („anahum") 

 circumdatus" (p. 94); Sp. unicinctus (Dräsche 1881) [Syn. Echiurus sp. 

 WiUemoes-Suhm, 1876; E. unicinctus Dräsche, 1881); Sp. unicinctus 

 var, majus var. nov. ,,A forma japonica statura maxima distinguitur 

 (f. japonica 7 — 10 cm., f. ussuriensis I2V2 — 27V2 cm)" (p. 96); 

 Sp. chilensis (M. Müll.) 1852 (Syn. Echiurus chilensis M. Müller, 1852; 

 E. forcimen Baird, 1873); Skorikow. 



Tlmlassema ; Skorikow. 



Thalassematini u. subfam. (keine Diagnose); Skorikow. 



