TJ5NI0ID CESTODES OF NORTH AMERICAN BIRDS, 



109 



Florida cserulea (LinnsBUs). 



Dilepis papillifera, p. 72. 



Anomotaenia aurita, p. 77. 

 Casmerodius egretta (Gmelin). 



Dilepis unilateralis, p. 72. 

 Ardea cinerea Linnseus. 



Dilepis unilateralis, p. 72. 



Gryporhynchus cheilancristrotus , p. 83. 



Hymenolepis microcephala, p. 94. 



Tsenia leuckarti, p. 107. 



Plegadis guarauna (Linnaeus). 



f Anonchotsenia longiovata, p. 87. 



Dioicocestus paronai, p. 103. 

 Plegadis autumnalis (Linnaeus). 



Dilepis urceus, p. 72. 



Hymenolepis microcephala, p. 94. 

 *Ajaia ajaja (Linnaeus). 



*Dilepis transfuga, p. 72. 



*CyclUstera capita, p. 82. 



ANSERIFORMES. 



Mergus serrator Linnaeus. 



Ophryocotyle, species, p. 67. 

 Hymenolepis gracilis, p. 93. 



tenuirostris , p. 97. 

 Diorchis parviceps, p. 99. 

 Fimbriaria fasciolaris , p. 105. 

 Mergellus albellus (Linnaeus). 



HrjTnenolepis tenuirostris, p. 97. 

 Oidemia americana Swainson and Ri.ch- 

 ardson. 



Hymenolepis compressa, p. 92. 

 Fimbriaria fasciolaris, p. 105. 

 Tsenia macrocantha, p. 107. 

 Oidemia fusca (Linnaeus). 



Lateriporus biuterinus, p. 73. 

 Hymenolepis microsoma, p. 95. 

 tenuirostris, p. 97. 

 Fimbriaria fasciolaris, p. 105. 

 Somateria spectabilis (Linnaeus). 

 Hymenolepis microsoma, p. 95. 

 retracta, p. 96. 

 sibirica, p. 96. 

 Aploparaksis birulai, p. 99. 

 Somateria mollissima« (Linnaeus). 

 Tetrabothrius arcticus, p. 60. 

 Lateriporus teres, p. 73. 

 Hymenolepis fallax , p. 92. 



microsomia, p. 95. 

 tenuirostris, p. 97. 

 Fimbriaria fasciolaris, p. 105. 

 Harelda hyemalis (Linnaeus). 

 Lateriporus teres, p. 73. 

 Choanotsenia borealis, p. 75. 

 Hymenolepis coronula, p. 92. 



grosnlandica, p. 93. 

 TTiicrosoma, p. 95. 

 Fimbriaria fasciolaris , p. 105. 



Histrionicus histrionicus (Linnaeus). 

 Hymenolepis pachycephala, p. 95. 

 Clangula clangula 6 (Linnaeus). 

 Hymenolepis coronula, p. 92. 



macracanthos , p. 94. 

 Diploposthe laevis, p. 101. 

 Fimbriaria fasciolaris , p. 105. 

 Aristonetta valisineria (Wilson). 



Hymenolepis compressa, p. 92. 

 Marila marila (Linnaeus). 



Hymenolepis ssquabilis, p. 90. 

 arcuata, p. 91. 

 compressa, p. 92. 

 coronula, p. 92. 

 fallax, p. 92. 

 gracilis, p. 93. 

 megalops, p. 94. 

 microsoma, p. 95. 

 pigmentata, p. 95. 

 tenerrima, p. 97. 

 tenuirostris, p. 97. 

 species, p. 97. 

 Diploposthe Isevis, p. 101. 

 Fimbriaria fasciolaris , p. 105. 

 Netta rufina (Pallas). 



Hymenolepis lanceolata, p. 94. 

 Diploposthe Isevis, p. 101. 

 Fimbriaria fasciolaris , p. 105. 

 Cairina moschatac (Linnaeus). 

 Lateriporus biuterinus, p. 73. 

 f Biuterina longiceps, p. 88. 

 Hymenolepis bisaccata, p. 91. 

 lanceolata, p. 94. 

 megalops, p. 94. 

 papillata, p. 95. 

 Cairina moschata domestica. 

 Fimbriaria fasciolaris , p. 105. 



a The typical form occurs only in the Old World; the North American form is 

 Somateria mollissima borealis Brehm. 



bThe typical form occurs only in the Old World; C. cla,ngula americana Bonnpsirte 

 is the North American form. 



c In its natural state this species occurs only in South America, but is domesticated 

 in the United States. 



