1886.] PROCEEDINGS OF tlNlTUD STATES NATIONAL MUSEUM. 265 



CCELOPLEUEUS Agasaiz. 



21. Ccelopleurus floridanus A. Agassiz. 



Off Cape Hatteras, N. C. ; lat. .35° 08' 50" N., long. 75° 07' 20" W., 68 fath., M. 



S. ; U. S. Fish Comm., sta. 2267, 1884 (12345). 

 Off Cape Lookout, N. C. ; lat. 34° 39' 15" N., long. 75° 33' 30" W., 107 fatli., gy. 



S. P.; U. S. Fish Comm., sta. 2601, 1885 (14302). 

 Off Cape Fear, N. C. ; lat. 33° 38' N., long. 77° 36' W., 15 fath., gy. S. brk. Cr. ; 



U. S. Fish Comm., sta. 2622,, 1885 (12943). 

 Off Key West, Florida ; lat. 24° 25' 30" N., long. 81° 47' 45" W., SO fath.; U. S. 



Fish Comm., sta. 2316, 1885 (10653). 

 Off Havana, Cuba; lat. 23° 09' 30" N., long. 82° 21' 30" W., 242 fath. ; U. S. 



Coast Survey str. Blake, A. Agassiz, sta. 11, 1877-'78 (6798). 

 Off Havana, Cuba; U. S. Fish Comm., 1884-'85: 

 Sta. 2164, 192 fath., Cr. (7048). 

 Sta. 2166, 196 fath., Cr. (7047). 

 Sta. 2167. 201 fath., Cr. (8398). 

 Sta. 2319-2348, 67-216 fath., Cr. S. (10654). 

 Off Havana, 1886 (14582). 

 Oft' the Windward Islands; U. S. Coast Survey str. Blake, A. Agassiz, 1878-79: 

 Off Barbados, 73-82 fath., sta. 290, 293 (6786, 6804). 

 Off Montserrat, 88 fath., sta. 155 (6794). 

 Lat. 23° 52' N., long. 88° 05' W., 95 fath. ; U. S. Coast Survey str. Blake, A. 

 Agassiz, sta. 32, 1877-'78 (6801). 



The specimens of this species from station 2267 (12345), and station 

 2022 (12943) are all much larger than any described from the Gulf of 

 Mexico, one of the largest measuring about 50™"^ in diameter. The 

 spines sometimes attain a length of over 130™™. This species is here 

 recorded for the first time from north of the Gulf of Mexico. 



Family DIADEMATID^ Peters. 

 DIADEMA Schynvoet. 



22. Diadema mexicanum A. Agassiz. 



Lower California: 



La Paz; L. Beldiug (.5393). 



Cape St. Lucas ; John Xantus (3246, 3.558). 

 St. Josef Island, Gulf of California; W. J. Fisher, Stearns's Coll. (10006). 

 Acapulco, Mexico; A. Agassiz (3467). 



23. Diadema setosum Gray. 



Nassau, New Providence, Bahamas; IT. S. Fish Comm., 1886 (^14533). 

 Florida : 



Cape Florida; E. Palmer, 1834 (8701). 



Indian Key; E. Palmer, 1884 (87.32, 8763); H. Hemphill, 1885 (12934). 



Big Pine Key; H. Hemphill, 1885 (12922). 



Key West; E. Palmer, 1884 (7497). 



Dry Tortugas ; L. Agassiz (2485) ; E. Palmer, 1884 (8762). 

 Gulf of Mexico; U. S. Fish Comm., 1885 : 



Off Havana, Cuba, 169 fath., Cr. ; sta. 2333 (10667). 



Lat. 28° 45' N., long. 8.5° 02' W., 30 fath., Cr. ; sta. 2405 ( 10666). 



Off Cape Catochc, Yucatau, 21 fath., Cr. ; sta. 2363 (10059). 



