
Euphyllopoda : @ ll 
the latter as an almost worm-like, a 
: , apparently very contractile and movable paired 
_ appendage. Murdoch does not mention nor figure these ‘‘accessory daeeere but 
records the longest of the three branches of the large claspers (A2) as a large, 
curved process (armed on the tip and inner surface with numerous fine teeth) 

Fig. 2. Polyartemiella hazeni (Murdoch). Male. Teller, Alaska, August 3, 1913. 
a. Ventral view of head. About x 50. 
b. “genitalia and abdomen. About x 50. 
c. Dorsal view of head (claspers only indicated). About x 50. 
projecting from the middle of the lower surface of A2. He also mentions that 
the extremity of the large claspers is bifurcated into two short, blunt branches, 
also armed on the inner side with fine teeth, which correspond with my specimens 
(see above). 
Ekman (1902), Daday (1910) and Pearse (1918) in describing the large claspers 
as quadriramose, apparently include the ‘‘accessory claspers’’ as one of the branches 
of the large claspers (A2), which is perhaps correct, considering that the “‘acces- 
