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U.S. NATIONAL MUSEUM BULLETIN 2 02 



Vol. 2 



3a. 



3b. 



26. Pectoral rays 19 to 22; dorsal 8; anal 7; usually 2 or 3 spiny points on 

 preopercular spine. 

 Spiny dorsal fin with 3 or 4 distinct black ocellate spots; characteristic 



dark brown and white bars on bodj' S. ocellatus Pallas 



Spiny dorsal without black ocellate spots, instead narrow black streaks 

 mostly parallel with fin rays; head and body with numerous brown 

 spots but body lacking dark brown and white bars. 



S. morrisoni, new species 

 16. Pectoral rays 23 to 32. 



4a. Pectoral rays 23 or 24 S. delandi Fowler 



and S. zaspilus (Herre) 



46. Pectoral rays 29 to 32 S. picturatus (Peters) 



and S. splendidus (Herre) 



Figure 131. — Synckiropus laddi, new species, holotype, USNM 141127, from Bikini Atoll. 

 Drawn by Dorothea B. Schultz 



SYNCHIROPUS LADDI, new species 



Figure 131 



Holotype. — USNM 141127, a male specimen, 24.3 mm., standard 

 length, from Bikini Atoll, Bikini Island, ocean reef, March 22, S-46-15, 

 Schultz and Brock. 



Paratypes. — USNM 141128, Bildni Atoll, Cherry Island, ocean reef, 

 April 18, S-46-98, Schultz, 2 specimens, 8 to 14 mm.; USNM 

 141129, Bikini Atoll, Keere Island, lagoon reef, August 12, S-.36-332, 

 Herald and Brock, 1 specimen, 23mm.; USNM 141130, Rongelap 

 Atoll, Yugui Island, ocean reef, July 31, S^6-304, Herald, 2 speci- 

 mens, 15 and 16 mm.; USNM 141132, Rongerik Atoll, Bock Island, 

 ocean reef, June 27, S-46-237, Schultz and Herald, 8 specimens, 15 

 to 22 mm.; USNM 141131, Eniwetok Atoll, Rigih Island, lagoon 

 reef, May 30, S-46-189, Schultz, 1 specimen, 20 mm. 



Description. — The following counts were made on the holotype 

 and paratype, respectively: Dorsal rays IV-viii,l and IV-viii,l; 

 anal vii,l and vii,l; pectoral ii,16-ii,16 and ii,15-ii,15; pelvics 1,5 



