172 PROCEEDINGS OF THE ACADEMY OF [1889. 



The specimens received from Mr. Lockington resemble the single 

 specimen presented by Mr. Joseph Jeanes from San Diego, Cal. They 

 are small, the largest not exceeding 8 mm. in diameter, but other- 

 wise thoroughly agree with descriptions of Linkia Guildingii. This 

 species has not been recorded before from the West Coast of 

 North America. 



Linckia l.evk;ata, Lam. (= L. Pacifica, Gray). 3 Navigator's 

 Isles, Dr. Eckstein ; 1 Navigator's Isles and 3 Arica, Peru, Dr. 

 W. S. W. Ruschenberger. 

 Linckia nodosa, Perrier. 2 locality undetermined. 

 Linckia unifascialis, Gray. 1 Central America, Dr. LeConte; 2 

 Honduras, Capt. J. M. Dow ; 1 Lower California, Wm. M. Gabb ; 

 2 Magdalena Bay, Low. Cal, W. N. Lockington ; 2 Pacific 

 Coast of Mexico, Dr. W. H. Braden ; 2 (alcoholic) Panama, 

 McNeil Expedition ; 7 (alcoholic) Pichilinque Bay, West Coast 

 of America, Dr. W. H. Jones ; 3 localities undetermined, W. 

 N. Lockington. 

 Linckia, species undetermined. 1 Christmas Island, W. N. Lock- 

 ington. 

 This specimen does not appear to be Linckia laevigata Lam. (L 

 Pacifica, Gray), the only species of Linckia recorded from Christmas 

 Island by Prof. F. Jeffrey Bell. 



Linckia, species undetermined. 1 Lower California, W. M. Gabb. 

 Ophidiaster gracilis, Gray. 1 locality undetermined, W. N. 



Lockington. 

 Ophidiaster pusillus, M. and T. 5 (alcoholic) Oahu, Sandwich 



Islands, Dr. W. H. Jones. 

 Ophidiaster pyramidatus, Gray. 1 Honduras, Capt. J. M. 

 Dow ; 1 La Paz, Low. Cal., and 1 Magdalena Bay, Low. Cal., 

 W. N. Lockington ; 6 (alcoholic) Panama Bay, McNeil Expedi- 

 tion ; 1 (alcoholic) Pichilinque Bay, West Coast of America, 

 Dr. W. H. Jones. 

 Ophidiaster, species undetermined. 1 West Coast of Honduras, 

 Capt. J. M. Dow; 3 locality undetermined. 



GONIASTERIDJE. 



Pentagonaster dilatatus, Perrier. 1 New Zealand, Messrs. 



Warwick and Argent. 

 Pentagonaster (Stellaster) equestris, Retzius. 1 New 



Zealand, Messrs. Warwick and Argent. 



