206 MARIE V. LEBOUR. 
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e sul suo probabile ciclo evolutivo.” Trans. from TX. Congrés 
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1871.* Uniantn. ‘ Ueber die pelagische Fauna des schwarzen Meeres.” 
Verhandl. d. Moskauer Freunde d. Natur. 
1844. Witt, F. ‘“ Ueber Distoma heroés.” Archiv. f. Naturgesch., 
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* Not seen by the present writer. 
