92 BULLETIN. 69, UNITED STATES NATIONAL MUSEUM. 



HYMENOLEPIS CLANDESTINA (Creplin in Krabbe, 1869) Cohn, 1904. 



For description see Krabbe, 1869b, p. 316, pi. 8, figs. 208, 209 {Txnia dandes- 

 <ma).— Cohn, 1904, pp. 243-246, pi. 11, figs. 9-12. 



Host. — Hsematopus ostralegus. 



HYMENOLEPIS COLLARIS (Batsch, 1786) Fuhrmann, 1908. 



For description see Krabbe, 1869b, pp. 298-299, pi. 7, figs. 151-153 {Tsenia 

 smiiosa).— Stiles, 1896f, pp. 40-41, pi. 10, figs. 116-124; pi. 11, figs. 125-139; 

 pi. 12, figs. 140-146; pi. 13, fig. 153 {Brejpanidotxnia sinuosa) . — Cohn, 1901b, 

 pp. 323-325 {Hymenolepis sinuosa). 



Hosts. — Dajila acuta, Mareca penelope, Anas platyrhyncJios , Anas 

 platyrhynchos domestica, Anser anser, Anser anser domesticus. 



HYMENOLEPIS COMPRESSA (Linton, 1892) Fuhrmann, 1906. 



For description see Linton, 18921, pp. 108-110, pi. 8, figs. 83-92 {Txnia com- 

 pressa). —KowALEWSKi, 1907, p. 775, pi. 23, figs. 7-11; 1908, pp. 638-641; 

 pi. 20, figs. 7-11. 



Hosts. — Oidemia americana, Aristonetta valisineria, Marila marila. 



HYMENOLEPIS CORONULA (Dujardin, 1845) Cohn, 1901. 



For description see Krabbe, 1869b, pp. 317-318, pi. 8, figs. 216-219 {Tsenia 

 coronula)' — Stiles, 1896f, p. 33, pi. 3, figs. 21-28 (Dicranotxnia coronula).^ 

 WoLFFHUGEL, 1900a, pp. 165-175, figs. 97-105 (Dicranotsenia coronula). — 

 Linstow, 1905dd, p. 5, pi. 1, figs. 16-18 {II. megalhystera) . 



Hosts. — Harelda Jiy emails, Clangula clangula, Marila marila, Mareca 

 penelope. Anas platyrhynchos , Avas platyrhynchos domestica, Anser 

 anser. 



HYMENOLEPIS CREPLINI (Krabbe, 1869). 



For description see Krabbe, 1869b, p. 317, pi. 8, figs. 214, 215, {Tsenia 

 creplini).—QoKN, 1901b, pp. 304-307, pi. 30, figs. 31-33. 



Hosts. — Anser anser, Anser alhifrons, Cygnus olor, Olor cygnus. 



HYMENOLEPIS ECHINOCOTYLE Fuhrmann, 1907. 



For description see Fuhrmann, 1907b, pp. 532-533, figs. 37, 38. 



Host. — Spatula clypeata. 



HYMENOLEPIS EXILIS " (Dujardin, 1845) Fuhrmann, 1906. 



For description see Dujardin, 1845a, p. 602 {Tsenia exilis). — Stiles, 1896f, p. 58 

 {Tsenia exilis). 



Host. — Gallus gallus domesticus. 



HYMENOLEPIS FALLAX (Krabbe, 1869) Cohn, 1901. 



For description see Krabbe, 1869b, p. 319, pi. 8, figs. 221, 222 { Tsenia fallnx). 

 Hosts. — Somateria mollissim,a, Marila marila, Mareca penelope. 



HYMENOLEPIS FARCIMINOSA (Goeze, 1782). 



For description see Krabbe, 1869b, pp. 321-322, pi. 9, figs. 230-232 {Taenia 

 farciminalis) . — Volz, 1900, pp. 32-35, pi. 2, fig. 10 {Diplacanthus farciminalis) . 



Host. — Sturnus vulgaris. 



a This species is perhaps identical with. Hymenolepis carioca, but the original de- 

 scription is so incomplete that this question can not be settled. 



