J2 BULLETIN 16, UNITED STATES NATIONAL MUSEUM. 



LophaMerfurcUUger, to Galapag;os Islands. 



Ilymenaster quadrisjiinosus, probably to vicinity of Panama. 



5. Genera peculiar to the North Pacific, o 



Tlmssacanthins (extends into Japanese waters). 



Bunodaster Verrill (probably synonymous with Blakiaster). 



Nearchaster. 



Mijonotus. 



Gephyreaster. 



Dennasterias. 



Cnjptopeltaster. 



Ileterozonias. 



6. Species peculiar to the North Pacific; their distribution and probable affinities.* 



a aiyphaslrr Vprrlll, and Pttratlerida Verrill, I do not accept. 

 „ .K ,w"". '""^'VeiTill Is not Included. It Is stated to occur in 'Talitcmia." Probably 

 Bouin of Monterey Bay. ■' 



tiCommiiti'liT l^andsonly, not oil the mainland. 



' Uani;*'^* I<> .S»»;i of Jiipan. 



• To I-iwrr CalHomla. 



/ Krom north of Monterey Bay to Los Coronados Islands, Lower California. 

 9 Monterey Hay only. 



* To Oropon. 

 ' To Japan. 



> To W'aahingtOD. 



range should be given 



