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PROCEEDINGS OF THE NATIONAL MUSEUM 



San Bias, Fla., lat. 29°31' N., long. 86°26' W., 100 fathoms, standard 

 length of 2 specimens 91 and 113 mm. USNM 155508, collected by 

 the Pelican Feb. 4, 1939, in the Gulf of Mexico, southeast of Corpus 

 Christi, Tex., lat. 29°02' N., long. 96°40' W., 48 fathoms, standard 

 length 130 mm. USNM 156706, Gulf of Mexico, south of Panama 

 City, Fla., Pelican station 154-2, Mar. 10, 1939, lat. 29°08.5' N., 

 long. 85°47' W., 70 fathoms, 1 specimen, standard length 77 mm. 

 USNM 156707, Gulf of Mexico, southeast of Pensacola, Fla., Pelican 

 station 143-4, Mar. 5, 1939, lat. 29°44.5' N., long. 86°34.5' W., 98 

 fathoms, 1 specimen, standard length 83 mm. USNM 156708, Gulf 

 of Mexico, southwest of New Orleans, La., Pelican station 85-3, 

 July 12, 1938, lat. 28°09' N., long. 91°27' W., 50 fathoms, 1 specimen. 



Figure 2. — Pikea mexicanus, new species, from Gulf of Mexico off Corpus Christi, Tex. 



standard length 79 mm. USNM 150709, Gulf of INIexico, southeast of 

 Corpus Christi, Tex., Pelican station 114-4, Feb. 4, 1939, lat. 26°56.5' 

 N., long. 96°27' W., 90 fathoms, 1 specimen, standard length 86 mm. 



The following paratypes are in the Tulane University collections, 

 New Orleans. All are from the Gulf of Mexico and were collected 

 by the Oregon: TU 12985, lat. 29°19' N., long. 86°04' W., 82 fathoms, 

 Oct. 31, 1953, 1 specimen, 71 mm. TU 11008, lat. 27°10' N., long. 

 96°20' W., 150 fathoms, June 5, 1954, 1 specimen, 112 mm. TU 

 14739, lat. 27°40' N., long. 95°45' W., 100 fathoms. May 7, 1956, 

 1 specimen, 106 mm. TU 12972, lat. 28°47' N., long. 85°19' W., 64 

 fathoms. Mar. 7, 1953, 11 specimens, 54 to 76 mm. TU 11004, lat. 

 27°10' N., long. 96°20' W., 150 fathoms, June 5, 1954, 6 specimens, 

 87 to 104 mm. 



Description: Counts made on the typos are recorded in table 1. 



Precision measurements were made on the holotype and three 

 paratypes. These data are recorded in thousandths of the standard 

 length, 101, 130, 113, and 91 mm., respectively. Greatest depth of 

 body 258, 254, 283, and 291; length of head 371, 354, 363, and 357; 



