TABLE OF CONTENTS 



Pages 



Introduction 7 



Historical Data 8 



Explanation of Terms 10 



Key to the Families, Subfamilies, Genera and Species 11 



Order PSEUDOPHYLLIDEA 13 



Family DIPHYLLOBOTHRIIDAE 15 



Ligulinae Luhe 1899 •. 16 



LigulaBloch 1782 17 



Ligula intestinalis (Linnaeus 1758) 18 



Schistocephalus Creplin 1829 30 



Schistocephalus solidus (O. F. Miiller 1776) 30 



Haplobothriinae Cooper 1917 42 



Haplobothrium Cooper 1914 43 



JJaplohothrium globuliforme Cooper 1914 44 



Cyathocephalinae Liihe 1899, e. p 53 



Cyathocephalus Kessler 1868 53 



Cyalhocephalus americanus Cooper 1917 53 



Bothrimonus Duvernoy 1842 62 



Bothrimonus intermedius Cooper 1917 , 63 



Marsipometrinae Cooper 1917 70 



Marsipometra Cooper 1917 70 



Marsipometra hastata (Linton 1897) 71 



Triaenophorinae Luhe 1899 „ 81 



Triaenophorus Rudolphi 1793 81 



Triaenophorus sp. larv 82 



Fistulicola Liihe 1899 88 



Fishdicola plicatus (Rudolphi 1819) 89 



FamUy PTYCHOBOTHRIIDAE 93 



Ptychobothriinae Liihe 1899 94 



Bothriocephalus Rudolphi 1808 95 



BothriocepJialus scorpii (Miiller 1776) 96 



Dibothrium angustatum (Rudolphi) 112 



Bothriocephalus claviceps (Goeze 1782) 114 



Bothriocephalus cuspidatus Cooper 1917 123 



Bothriocephalus manubriformis (Linton 1889) 133 



Dibothrium laciniatum (Linton) 145 



Bothriocephalus histiophorus (Shipley) 147 



Bothriocephalus occidentalis (Linton 1898) 149 



Clestobothrium Liihe 1899 153 



Clestobothrium crassiceps (Rudolphi 1819) 154 



Amphicotylinae Liihe 1902 171 



Abothrium van Beneden 1871 171 



Abothrium rugosum (Bats6h 1786) 172 



Abothrium crassum (Bloch 1779) 186 



