176 PROCEEDINGS OF THE ACADEMY OF [1889. 



Coast presented by Mr. Geo. Davidson there are only two such spines, 

 and in one of the specimens received from Mr. Lockington, some of 

 the plates have two, and some three arm spines. 

 Ophioplocus imbkicatus, M. and T. 1 Bay of Islands, New- 

 Zealand, W. N. Lockington. 

 Ophioncus granulosus, Ives. Type specimen (Proc. Acad. 1889, 



p. 1-43), locality undetermined, W. N. Lockington. 

 Ophioglypha albida, Forbes. 3 Belfast Bay, W. Thompson. 

 Ophioglypha ciliata Retzius. 3 Belfast Bay, W. Thompson ; 



27 "British," E. Wilson. 

 Ophioglypha lockingtoni, Ives. 2 type specimens (Proc. Acad. 



1889, p. 143), locality undetermined, "W. N. Lockington. 

 Ophioglypha lutkeni, Lyman. 4 dried and 2 alcoholic, locality 



undetermined, \V. X. Lockington. 

 Ophioglypha nodosa, Liitken. 1 locality undetermined, W. N. 



Lockington. 

 Ophioglypha robusta, Lyman. 3 Bay of Fundy, U. S. Fish 



Commission. 

 Ophioglypha sarsi, Lyman. 3 dried and 7 alcoholic (20-125 fath.) 



U. S. Fish Commission. 

 Ophiopholis aculeata, Retzius. I Belfast Bay, \V. Thompson ; 



1 "British" ; 9 dried and 6 alcoholic, Maine, and 2 alcoholic, 



Nahant, Dr. J. H. Slack ; 12 (alcoholic) Massachusetts Bay 



and Gulf of Maine (10-100 fath.) U. S. Fish Commission ; 15 



(alcoholic) Mt. Desert, Me., Dr. H. C. Chapman ; 6 locality 



undetermined. 

 Ophiopholis caryi, Lyman. 1 (alcoholic), W. N. Lockington. 

 Ophiopholis japonic a, Lyman. 1 (alcoholic) Dr. S. B. Howe). 

 This specimen agrees closely with Mr. Lyman's description of 0. 

 Japonica. The arm spines, however, are slightly longer and also 

 more slender, and there are on the upper surface of the disk a few 

 scattered spines of about the size of the smallest arm spines. 

 Ophiopholis kennerlyi, Lyman. 4 (alcoholic), AVest Coast of 



Mexico, and 11 (alcoholic) Alaska and California, Dr. W. H. 



Jones. 

 Ophiactis mulleri, Liitken. 2 (alcoholic) Bermuda, Heilprin 



coll. July 1888. 

 These specimens which were identified as Ophiactis Krebsii in 

 Professor Heilprin's " Contributions to the Natural History of the 



