1885.] PEOCEEDINGS OF UNITED STATES NATIONAL MUSEUM. 617 



GULF OF MEXICO. 



Between the delta of the Mississippi Kiver and Cedar Keys, Fla., 



1885. 



21 to 60 fathoms; sand, gravel, coral, broken shells; stations 2369-2375, 2388,2404- 

 2408. 



Cidaris tribuloides. 



Dorocidaris papillata, var. 



Arhacia punctulata. 



Diadema setosum. 



Temnechinus inaculatus. 



Toxopneustes variegatus. 



Clypeaster Eavenellii. 



Clypeaster sithdepressus. 



Encope Michelini. 



Brissopsis lyrifera. 



Meoma ventricosa. 

 68 to 169 fathoms ; gray and green mud ; stations 2378, 2400-2403. 



Clypeaster BavenelUi. 



Brissopsis lyrifera. 



Schizaster [Periaster) Umicola. 

 324 to 730 fatlioms ; gray mud ; stations 2376, 2385, 2392,'2393, 2395. 



Aspidodiadema antillarum. 



Fhormosoma placenta. 



940 to 1330 fathoms ; mud ; stations 23HI, 2383, 2384. 

 PJiormosoma placenta. 

 Hemiaster Mentzi. 

 Brissopsis lyrifera. 

 Between Tampa Bay and the Dry Tortugas, Florida ; 24 to 28 fath- 

 oms, coarse and fine sand, and broken shells. Stations 2409-2414 (1885). 

 Cidaris tribuloides. 

 Arhacia punctulata. 

 Clypeaster subdepressus. 

 Encope Michelini. 

 Meoma ventricosa. 



0£f Key West, Fla. ; 37 to 50 fathoms; coral bottom. Stations 2315- 

 2318 (1885). 



Cidaris tribuloides. 

 Dorocidaris papillata, var. 

 Ccelopleurus floridanus. 

 Toxopneustes variegutus. 

 Clypeaster BavenelUi. 

 Clypeaster subdepressus. 



Off Havana, Cuba; 29 to 387 fathoms ; coral and sandy bottoms. Sta- 

 tions 2152-2154, 2157, 2159, 2161-2164, 2166, 2167 (1884); 2319-2327, 



