50 bulletin: museum of compaeatiye zoology. 



Arhno Atoll, Marshall Islands; January 24-26, 1900; lat. about 7° N. ; 

 long, about 171° 30' E. ; surface of the lagoon, electric light. 



Polyptis macropus, jnv. [H. 111.] 

 Polypus, sp. juv. [H. 112, 11.3.] 



Eiiprymna stenodactyla, 2 $ [H. 114, 116], 1 9 [H. 115] ; 4 juv. 

 [11. 117-120.] 



Arhno Atoll, January 27, 1900 ; surface of the lagoon, electric light. 

 Poll/pus, sp. juv. [H. 121.] 

 Euprymna stenodactyla, 1 9 [H. 122], 1 juv. [H. 123.] 



Station 236 ; southwest of Arhno Atoll, Marshall Islands ; January 28, 

 1900; kt. 6°34'N., 170° 59' E. ; temperature, surface 81°; surface, electric 

 light. 



Argonauta, sp. 1 9 [H. 127], 1 ^ [H. 145]. 



