96 BULLETIN 69, UNITED STATES NATIONAL MUSEUM. 



HYMENOLEPIS POCULIFERA (Linstow, 1879) Fuhrmann, 1906. 



For description see Linstow, 1879a, pp. 186-187, pi. 12, figs. 37, 38 (Tsenia 



poculifera) . 



Host. — Fulica atra. 



HYMENOLEPIS PODICIPINA Szymanski, 1904. 



For description see Szymanski, 1904a, pp. 342-344, pi. 8, figs. 1-5; 1905b, pp. 

 733-734, pi. 16, figs. 1-5. 



Host. — Colymhus auritus. 



HYMENOLEPIS RECTACANTHA Fuhrmann, 1906. 



For description see Fuhrmann, 1906b, pp. 446-447, fig. 27. 



Host. — JEgialitis hiaticula. 



HYMENOLEPIS RETRACTA Linstow, 1905. 



For description see Linstow, 1905dd, p. 4, pi. 1, fig. 15. 

 Host. — Somateria spectabilis. 



HYMENOLEPIS ROSTELLATA (Abildgaard, 1790) Fuhrmann, 1908. 



For description see Krabbe, 1869b, pp. 286-287, pi. 5, figs. 112, 113 (Tsenia 

 capitellata). — Fuhrmann, 1896k, pp. 443-449, pi. 14, figs. 5-10 {Tsenia capi- 

 tellata) . 



Hosts. — Gavia stellata, Gavia arctica, Gavia immer. 



HYMENOLEPIS RUGOSA Clerc, igo6. 



For description see Clerc, 1906a, pp. 433^34, figs. 1-4. 

 Host, — Columba livia. 



HYMENOLEPIS SAGITTA (Rosseter, 1906) Fuhrmann, 1908. 



For description see Rosseter, 1906b, pp. 275-278, 1 pi. {Drepanidotsenia sagitta). 



Host. — Anas iiHatyrhynclios domestica. 



HYMENOLEPIS SERPENTULUS (Schrank, 1788) Weinland, 1858. 



For description see Volz, 1900, pp. 135-140, pi. 7, fig. 8 (Diplacanthus ser- 

 pentulus). —ConN, 1901b, pp. 294-297, pi. 29, figs. 23,24; pi. 30, fig. 25, 1 text 

 figure. — Clerc, 1903, pp. 295-296, pi. 8, fig. 8 {Drepanidotsenia serpentulus) . 



Hosts. — fPlanesticus migratorius, Pica pica, Corvus corax. 



HYMENOLEPIS SETIGERA (Frolich, 1789) Cohn, 1901. 



For description see Krabbe, 1869b, pp. 289-290, pi. 6, figs. 117-121 {Tsenia 

 setigera). —S,TiLF.s, 1896f, pp. 41-42, pi. 12, figs. 147-150; pi. 13, figs. 154-164 

 {Drepanidotsenia setigera). —C1.-E-RC, 1903, pp. 298-302, pi. 8, figs. 3, 6, 7, 12, 22 

 {Drepanidotsenia setigera). 



Hosts. — Branta hernicla, Branta leucopsis, Anser anser, Anserfahalis, 

 Cygnus olor domesticus, Olor cygnus. 



HYMENOLEPIS SIBIRICA (Linstow, 1905) Fuhrmann, 1908. 



For description see Linstow, 1905dd, pp. 6-7, pi. 1, fig. 22 {Diorchis sibirica) . 



Host. — Somateria spectahilis. 



HYMENOLEPIS SPH^ffiROPHORA (Rudolphi, 1810) Fuhrmann, 1906. 



For description see Rudolphi, 1810a, pp. 119-120 {Tsenia sphserophora) . — Cob- 

 bold, 1858b, p. 164, pi. 33, figs. 63-67 {T. sphserophora). 



Hosts. — Gallihago gallinago, Scolopax rusticola. 



