319] 



PSEUDOPHYLLIDEA FROM FISHES— COOPER 



31 



1824 Boihriocephalus solidus 



1829 Boihriocephalus solidus 



? 1863 Schistocephalus rhynchich- 

 thydis 



1896 Schistocephalus dimorphus 



1896 Schistorhynchus dimorphus 



1898 Schistocephalus dimorphus 



1898 Schistocephalus solidus 



1898 Schistocephalus solidus 



1899 Schistocephalus solidus 

 1909 Schistocephalus solidus 



ADULT stage: 



1782 Taenia lanceolata nodosa 



1786 Taenia lanceolata var. [i 



1788 Taenia nodularis 



1790 Taenia lanceolata nodosa 



1790 Taenia gasterostei 



1793 Taenia lanceolata nodosa 



1800 Halysis lanceolata nodosa 



1810 Boihriocephalus nodosus 



1819 Boihriocephalus nodosus 



1819 Boihriocephalus nodosus 



1824 Boihriocephalus nodosus 



1829 Schistocephalus dimorphus 



1839 Schistocephalus dimorphus 



1845 Schistocephalus dimorphus 



1850 Schistocephalus dimorphus 



1853 Schistocephalus dimorphus 



1854 Schistocephalus dimorphus 



1858 Schistocephalus solidus 



1859 Schistocephalus solidus 

 1863 Schistocephalus dimorphus 

 1869 Schistocephalus dimorphus 

 1877 Dibothrium ligida 



1881 Schistocephalus dimorphus 



1882 Schistocephalus dimorphus 



1889 Schistocephalus solidus 



1890 Schistocephalus dimorphus 

 1893 Schistocephalus dimorphus 

 1896 Schistocephalus dimorphus 

 1896 Boihriocephalus zschokkei 

 1898 Schistocephalus zschokkei 



1898 Schistocephalus solidus 



1899 Schistocephalus nodosus 



1900 Schistocephalus dimorphus 



1910 Schistocephalus gasterostei 



1911 Schistocephalus dimorphus 



Specific diagnosis : With the characters of the genus. Medium sized worms, 

 length 30 to 300mm., breadth 3 to 9mm. First segment or " scolex " 0.4 to 0.8mm. 

 in length and 1 to 1.3mm. in width. Strobila ovate-lanceolate and depressed, 

 maximum breadth anterior to the middle ; hindermost segments narrower and 



