10 L Canadian Arctic Expedition, 1913-18 



appearance of Levinsen's paper in 1878. Hence it cannot stand for a copepod 

 genus, and in its place is suggested the name Aphanodomus, from 'A<t>avrjs 

 hidden and 8dvs house, meaning dwelling in secret places, and thus having 

 the same significance as Crypsidomus. 



Eurysileniopsis sarsi Gravier. 

 Thylacoides sarsi, GRAVIER, CH. "Sur un nouveau genre Crustace" parasite 



d'un Syllidien de 1'Antarctique sud-ame*ricaine (Thylacoides, nov. g., 



sarsi, nov. sp.)." Bull. Mus. d'Hist. Nat., Paris, 1912, p. 71, 2 text 



figs. 

 Eurysileniopsis sarsi, GRAVIER, CH. Deuxi&me Expedition Antarctique 



Franchise. "Crustaces Parasites." Sci. Nat.; Documents scient., 1912, 



p. 51; text figs. 33-41. 

 Found on the back of Trypanosyllis gigantea (Macintosh), an antarctic 



annelid. 



Eurysilenium oblongum Hansen. 

 Eurysilenium oblongum, HANSEN, H. J. "Oversigt over de paa Djimphna 



Togtet indsamlede Krebsdyr." Djimphna-Togtets .zool.-botan. 



Udbytte, 1886, p. 82 (264) ; pi. 24, fig. 1-10. 

 Found on the annelid Harmothoe badia Theel, from the Kara sea. 



Herpyllobius affinis Hansen. 

 Herpyllobius affinis, HANSEN, H. J. Oversigt over de paa Djimphna 



Togtet indsamlede Krebsdyr." Djimphna-Togtets zool.-bot. Udbytte, 



1886, p. 81 (263); pi. 24, fig. 2. 

 Herpyllobius affinis, GIARD, A. & BONNIER, J. "Contributions a 1'Etude 



des Epicarides." Bull. Sci. France et Belgique, vol. 25, 1895, p. 480. 

 Found on Harmothoe badia Theel, an annelid from the Kara sea. 



Herpyllobius arcticus Steenstrup & Liitken. 

 En ny . . . Lernaea, KR^YER, H. "Gr^nlands Amfipoder." Kongl. 



Danske Vidensk. Selsk. math.-naturvid. Afhand., vol. 7, 1838, p. 321; 



no. 58. 

 Silenium polynoes, KR^YER, H. "Snyltekrebsene." Naturhistorisk 



Tidsskrift, ser. 3, vol. 2, p. 403; pi. 18, fig. 6, a-g. 1863. 

 Herpyllobius arcticus, STEENSTRUP, J. & LUTKEN, CH. "Snyltekrebs og 



Lernaeer." Kongl. Danske Videns. Selsk. Skrifter, ser. 5, vol. 5, 1861, 



p. 426; pi. 15, fig. 40. 

 Herpyllobius arcticus, LEVINSEN, G. M. R. "Om nogle parasitiske Krebsdyr, 



der snylte hos Annelider." Vidensk. Meddel. Naturh. Foren., Kjoben- 



havn/1878, p. 363; pi. 6, fig. 12-18. 



Herpyllobius arcticus, JENSEN, S. "Nogle Oplysninger om . . . Her- 

 pyllobius arcticus." Oversigt Kongl. Danske Vidensk. Selsk. Forhand., 



1900, p. 84; pi. 1, fig. 8-9; pi. 2, fig. 10-18. 

 Herpyllobius arcticus, STEPHENSEN, K. "Gr0nlands Krebsdyr." Meddel. 



om Gr^nland, vol. 22, 1913, p. 343. 



Found on the outside surface of Harmothoe imbricata (Linnaeus) , Harmothoe 

 spinosa Kinberg, Harmothoe gourdoni Gravier, Enipo rhornbigera Ehlers, Polynoe 

 cirrata Fabricius, Polynoe scabra Oersted, Nychia amondseni Malmgren, arctic 

 annelids found in the Kara sea and on the Greenland coast. 



Saccopsis terebellidis Levinsen. 



Saccopsis terebellidis, LEVINSEN, G. M. R. "Om nogle parasitiske Krebsdyr, 

 der snylte hos Annelider." Vidensk. Meddel. Naturh. Foren., Kjobenhavn, 

 1878, p. 374; pi. 6, fig. 21-22. 



