1910.] 



AND BIOLOGY OF THE LARGER OETACEA. 



78? 



remarkably free from parasites, the only species found being 

 Balcen.ophiliis unisetas Aurivillius on the baleen plates. No 

 internal parasites could be found. 



Text-%. 76. 



orsal iins of a. Baleennptera musculus Linnseus ; h. Balcenoptera sihbaldii Gray. 



Text-fig. 77. 



Paddles of <7. 'Bal(?»optei'a musculus Linriieus; h. Balcenoptera sihbaldii Gvaj', 



