226 



BULLETIN OF THE BUREAU OF FISHERIES. 



Comparative Measurements of Polistotrema stouti and P. deani. 

 Polistotrema stouti. 



a Not including tentacles. 



Polistotrema deani is known from 4 specimens, all in rather poor condition: Two, no.28fi6 and 2sr,7. 

 10 and 21 inches long, respectively, dredged by the Albatross in 1903, in 130 to 193 fathoms at station 

 1235, in Spacious Bay, Cleveland Peninsula, Alaska; and two, no. 2S77 and 2880, 24.5 and 18.5 inches 

 long, dredged on same date in 229 to 231 fathoms at station 4238, in Behm Canal off Xose Point. 



Type no. 57820 I . S. National .Museum (field no. 2880), Albatross station 4238 in Behm Canal off 

 Nose Point, in 229 to 231 fathoms. The three other specimens are cotypes, of which two are deposited 

 in the U. S. National Museum and one in the Museum of Stanford University. 



We take great pleasure in naming this interesting species for Prof. Basbiord Dean, of Columbia 

 University, in recognition of his excellent work "On the Embryology of Bdellostoma stouti." 



