Parasitic Copepoda 9 l 



From the gills of the hump-back whitefish, Coregonus nelsonii Bean, in the 

 Yukon river, Alaska. 



Salmincola siscowet (Smith). 



Salmincola siscowet, Wilson, C. B. "The Lernaeopodidse." Proc. U. S. 

 Nat. Museum, vol. 47, 1915, p. 608; pi. 30, fig. 23-29. 



Three females belonging to this species were taken from the mouth of 

 Salvelinus alpinus alipes (Richardson), at Etah, Greenland, and are now in the 

 United States National Museum, Cat. no. 49767. 



Sphyrion lumpi (Kr^yer). 



Sphyrion lumpi, Stephensbn, K. "Gr^nlands Krebsdyr." Meddel. om 



Greenland, vol. 22, 1913, p. 340. 

 From the fins of the lumpfish, Cyclopterus lumpus Linnaeus, on the Greenland 

 coast. 



COPEPODA MONSTRILLOIDA. 



Bactropus cystopomati Gravier. 



Bactropus cystopomati, Gravier, C. "Sur un type nouveau de Crustac4 

 parasite d'un Serpulien de I'Antarctique sud-am6ricaine." Bull, du 

 Mus. Hist. Nat., Paris, vol. 18, 1912, p. 67; 1 text figure. 

 Bactropus cystopomati, Gravier, C. Deuxieme Expedition Antarctique 

 Frangaise. "Crustac4s Parasites." Expedition Charcot, p. 55; text 

 figs. 42-52. 1912. 

 Taken from the abdominal portion of the digestive tube of a new Serpulid 

 Polychaete, Cystopomatus macintoshi Gravier, from Petermann island, Antarctic 

 ocean. 



Choniostoma hanseni Giard & Bonnier. 



Choniostoma hanseni, Giard, A. & Bonnier, J. "Contributions a I'etude 



des Epicarides." Bull. Sci. France et Belgique, vol. 25, 1895, p. 479. 



Found on Spirontocaris polaris (Sabine) in the Kara Sea. 

 Choniostoma hanseni, Vanhopfen, E. "Crustaceen." Drygalski, Gronland 



Expedition der Gesellschraft ftir Erdkunde zu Berlin, 1891-93, 1897, 



vol. 2, p. 281. 

 Found in the gill cavity of two Greenland shrimps, Spirontocaris gaimardii 



(H. M. Edwards) and Sp. polaris (Sabine). 



Choniostoma mirabile Hansen. 



Choniostoma mirabile, Hansen, H. J. "Oversigt over de paa Djimphna 

 Togtet indsamlede Krebsdyr." Djimphna-Togtets zoolog.-bot. 

 Udbytte, 1886, p. 271; pi. 24, fig. 7 a-h. 



Choniostoma mirabile, Giard, A. & Bonnier, J. "Contributions a I'Etude 

 des Epicarides." Bull. Sci. France et Belgique, vol. 25, 1895, p. 479. 



Found in the gill cavity of the shrimp, Spirontocaris gaimardii (H. M. 

 Edwards), in the Kara sea. 



Crypsidomus terebellae Levinsen. 



Crypsidomus terebellae, Levinsen, G. M. R. "Om nogle parasitiske 

 Krebsdyr, der snylte hos Annelider." Vidensk. Meddel. Naturh., 

 Kj^benhavn, 1878, p. 375; pi. 6, fig. 19-20. 

 Found on the Annelid Thelepus cincinnatus Fabricius, on the coast of 

 Greenland. 



The name Crypsidomus was used by Giinther for a genus of reptiles in 1864, 

 and by Ausserer for a genus of arachnids in 1871, both of which are prior to the 



