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THE GENITAL ORGANS OF TAENIA SINUOSA 



By T. B. Bosseter, F.R.M.S. 



(Read March 18th, 1904.) 



Plate 5. 



Taenia sinuosa, Zeder (Diijardin). 



1782. Taenia collar i-nigro, Block. 



1782. „ infundibidiformis, Goeze. 



1786. „ collaris, Batsch. 



1790. „ torqttata, Ginelin. 



1800. Alyselminthus sinuosus, Zeder. 



1800. Taenia breviarticulata, Goeze. 



1803. Halysis sinuosa, Zeder. 



1803. Halysis torquata (Gmelin, 1790). Zeder, vide Bud, 1810. 



18-45. Taenia sinuosa, Diijardin. 



1858. Hymenolepis sinuosa, Weinland. 



1869. Taenia sinuosa, Krabbe. 



1893. Drepanidolaenia sinuosa, Railliet 



1903. Taenia sinuosa, Bosseter. 



From the time that Block (1782) found this worm parasitic in 

 the intestine of Anas boschas fera, until Krabbe (1866) took it 

 from Anas boschas dom., much uncertainty seems to have existed 

 as to the true character and identity of this avian helminth. 

 Krabbe, following Dujardin's determination of Zeder 's Taenia 

 sinuosa, adopted the same, and this basis is likewise adopted by 

 the author of this memoir. 



Dujardin's description is as follows : — 



" Long de 50 a 160 mm. (a 330 mm., Bud), capillaire en avant, 

 large de 2*25 mm. en arriere ; tete presque globuleuse avec un 

 prolongement conique tubuleux, plus on moins saillant qui contient 

 la trompe ; trompe retractile, aussi longue que la tete, mince, 



•Journ. Q. M. 0., Series II. — No. 55. 6 





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