SPECIES OF ECHINORHYNCHUS PARASITIC IN THE CETACEA 



263 



which the body expands rat lier abruptly to its full size without 

 any graduai transition ». 



Malin (1) gives an account of a species oi Echinorhyrichus which 

 lie calls E. brevkollis. He ligures this species and although the 

 ligures are not very good, they, 

 and his description of the ani- 

 mal, afford no indication that 

 there exist any features of spé- 

 cifie value to justify us in sepa- 



Fig. i. — Echinorhynchus ruber Col- 

 lett. — A, natural size; B, magnified. 



Igtl: 



Fig. 2. — Echinorhynchus turbinella 

 Diesing. — A , maie ; B , female ; 

 C, head, X about 15. 



rating this animal from the E. turbinella of Diesing (fig. 3). Malm 

 washed his species out of the small intestine of Balœnoptera 

 Sibbaldi Gray. He found six females and three maies. The largest 

 female measured about 23 mm 75, the shortest 45 mm and the maies 



(1) Malm, Monographie illustrée du Baleinoptère trouvé le 29 octobre 1865 sur 

 la côte occidentale de Suède. Stockholm, 1867. 



