34 ALLAN HANCOCK PACIFIC EXPEDITIONS VOL. 9 



Julidio notospilus (Giinther) 



One from Mazatlan, Mexico, December 7, 1931. Length 57 mm. 

 Color greenish, with a lighter stripe from head to caudal. A black blotch 

 on the anterior portion of soft dorsal. No posterior canines. Scales 26. 



Thalassoma lutescens (Lay and Bennett) 



One from Tower Island, Galapagos, January 21, 1932. Length 84 

 mm. Head naked except for a small patch of scales three rows deep on 

 upper portion of opercle. Scales 28. 



Eleotridae Sleepers 



Gymneleotris seminuda (Giinther) 



One from Port Utria, Colombia, February 15, 1934. Length 35 mm. 

 Ventrals well separated at base, caudal with numerous short rays at base. 

 Posterior half of the fish scaled. Color red with numerous well-defined 

 white narrow bands, 12 of which are posterior to pectoral axil. 



Gobiidae Gobies 



Bathygobius soporator (Cuvier and Valenciennes) 



Nine from Mazatlan, Mexico, December 7, 1931. Length 40-50 mm. 

 Five from Isabel Island, Mexico, February 16, 1932. Length 25-95 mm. 

 Fourteen from Espiritu Santo Island, Mexico, February 18, 1932. 

 Length 37-85 mm. Two from Charles Island, Galapagos, January 3, 

 1932. Length 32-87 mm. One from Narborough Island, Galapagos, Jan- 

 uary 6, 1932. Length 82 mm. Seventy-seven from South Seymour Island, 

 Galapagos, January 15, 1932. Length 23-98 mm. Eighteen from Black 

 Beach Anchorage, Charles Island, Galapagos, January 13, 1934. Length 

 35-78 mm. One from Cabita Bay, Colombia, February 13, 1934. Length 

 37 mm. Distinguished by the free silky rays at the upper margin of the 

 pectorals and the slight constriction of the tip of the tongue, making it 

 somewhat bilobed. Color greenish with darker mottlings and spots. Speci- 

 mens from Narborough Island are darker, which may be due to the dark 

 lava pools in which they live. 



Odontogobius gilberti (Heller and Snodgrass) 



Two from Tagus Cove, Albemarle Island, Galapagos, January 12, 

 1934. Length 19-21 mm. One from Charles Island, Galapagos, January 



