38 BULLETIN 82, UNITED STATES NATIONAL MUSEUM 



Blake station 298; off Barbados (lat. 1303'28" N., long. 5937'40" W.); 220 

 meters; rock; bottom temperature 16.11 C.; March 10, 1879 [Hartlaub, 1912] (1, 

 M. C. Z., 65). 



Blake station 299; off Barbados (lat. 1305'00" N., long. 5939'40" W.); 256 

 meters; coral and broken shells; bottom temperature 13.6 C.; March 10, 1879 [Hart- 

 laub, 1912]. 



Barbados [A. H. Clark, 1913, 1921] (1, B. M.). 



Blake station 231; off St. Vincent (lat. 1312'10" N., long. 6117'18" W.); 174 

 meters; sand and broken shells; bottom temperature 16.4 C.; February 20, 1879 [Hart- 

 laub, 1912]. 



Blake station 232; off St. Vincent Gat. 1306'45" N., long. 6106'55" W.); 160 

 meters; coral; bottom temperature 16.67 C.; February 21, 1879 [Hartlaub, 1912] 

 (11, U.S.N.M., 35884; M. C. Z., 116, 302). 



Blake station 269; off St. Vincent (lat. 1307'55" N., long. 6105'36" W.); 227 

 meters; coral; bottom temperature 14.17 C.; March 3, 1879 [P. H. Carpenter, 1881; 

 von Graff, 1883, 1884; Hartlaub, 1912] (14, U.S.N.M., 22456; M. C. Z., 67, 301). 



Blake station 259; off Grenada (lat. 1203'15" N., long. 6146'25" W.); 291 meters; 

 sand and ooze; bottom temperature 11.9 C.; February 28, 1879 [Hartlaub, 1912]. 



Blake station 249; off Grenada (lat. 1148'15" N., long. 6148'45" W.) ; 479 meters; 

 coarse sand; bottom temperature 8.33 C.; February 27, 1879 [Hartlaub, 1912] (3, 

 M. C. Z., 66). 



From Santa Cruz (St. Croix) to Grenada; 147-543 meters [P. H. Carpenter, 

 1881]. This refers to the specimens collected by the Blake. 



Caribbean Islands; 146-543 meters [P. H. Carpenter, 1888]. This refers to the 

 specimens collected by the Blake. 



Geographical range. Bahamas and Greater and Lesser Antilles westward to Cozu- 

 mel Island off the coast of Yucatan and southward to Grenada. 



Bathymetrical range. From 102 to 508 (?548) meters; the average of 24 records is 

 265 meters, but the true average depth is probably considerably less than this. 



From the records it would appear that this species occurs in somewhat deeper 

 water in the Bahamas and Greater Antilles (average of 10 records 300 meters) than 

 in the Lesser Antilles (average of 14 records 245 meters) but this probably is due to the 

 fact that most of the specimens from Cuba were collected during intensive work on and 

 about the so-called "Pentacrinus grounds" off Habana. 



This species occurs in water of less depth than would appear from the records, for 

 the type specimen from Guadeloupe and the specimen in the British Museum from 

 Barbados were brought up on fishermen's lines. 



Thermal range. From 8.33 to 23.6 C.; the average of 12 records is 15.93 C. 



Bottom. This species inhabits hard bottom, 70 percent of the bottom records being 

 coral, alone, or in a few cases with broken shells, or broken shells and coarse sand. 

 Three records show rocky bottom. A single bottom sample showed sand and ooze. 



History. The first known specimen of this species was brought from the Danish 

 West Indies (now the Virgin Islands) to the Copenhagen Museum where it received 

 from Prof. Andreas S. Oersted the manuscript name of Alecto serrata, though he never 

 described it. 



