332 



U.S. NATIONAL MUSEUM BULLETIN 2 02 



Vol. 2 



several somewhat distinct streaks; in some specimens these pigment 

 cells are arranged to form more or less distinct specks below eye. 



Ecology. — This species of blenny was taken on those reefs where the 

 surf was strong. It appeared along the outer edge of the reef when 

 the surf was poisoned with rotenone in the vicinity of the Lithotham- 

 nium ridge. 



Remarks. — E. thalassinus is a small species, the longest specimen 

 seen by us measures about 36 mm. in standard length. 







i-'~r-'-<v,''<^j-id£k^^ 



Figure 118. — Entomacrodus incisolahiatus, new species, holotype, USNM 142188, from 

 Bikini Atoll. Drawn by Dorothea B. Schultz. 



ENTOMACRODUS INCISOLABIATUS, new species 



Figure 118 



Holotype.— VS^M 142188, Bikini Atoll, Enyu Island, ocean reef 

 and surf, southeast end, August 13, S-46-333, Herald, standard 

 length 45 mm. 



Paratypes. — USNM 142189, Bikini Atoll, Namu Island, ocean reef 

 and surf, August 7, S-1019, Brock, Hiatt, and Schultz, 1 specimen, 

 37 mm.; USNM 111882, Saipan, June 1945, T. D. Wliite and F. B. 

 Shroyer, 1 specimen, 36 mm.; USNM 123934, Guam, Ritidian Point, 

 July 12, 1945, M. H. Markley, 1 specimen, 27 mm.; USNM 111881, 

 Guam, Frey, 1 specimen, 49 mm.; USNM 147654, Swains Island, 

 1939, Schultz, 1 specimen, 46 mm.; USNM 111883, Tutuila Island, 

 Fagasa Bay, June 5, 1939, Schultz, 7 specimens, 15 to 31 mm.; 

 additional specimen (not a paratype) Bikini Atoll, lagoon light at 

 night, April 23, S-46-111, Schultz and Morrison, 1 specimen 16, mm., 

 in Ophioblennius stage. 



Description. — Dorsal raj^s XIII, 14 to 16; anal 11,16 or 17, usually 

 16; pectoral 14, with lower 4 raj^s enlarged; pelvics 1,4; branched 

 caudal 5+4; orbital tentacle single, with 2 to 4 cirri on inner edge and 

 none on outer edge; nuchal cirrus simple; nasal cirri 4 to 7. 



Certain measurements were made on the holotype and one paratype 

 from Tutuila Island and these data are recorded in table 112. 



