418 PROCEEDINGS OF UNITED STATES NATIONAL MUSEUM. 



Head naked; scales of body very small, about 100 in a longitudinal 

 series. Lateral line ceases near middle of trunk. 



Dorsal fin low, continuous, the soft rays but little higher than the 

 spines, which are slender and flexible, the longest contained 3^ times in 

 length of head. Caudal short, rounded, its length 5| times in total to 

 its own base. Anal similar to soft dorsal. Pectoral half as long as bead 

 and a little longer than ventral, which does not quite reach the vent. 

 Vent midway between front of eye and base of caudal. 



Color grayish olive, much variegated with whitish and dark olive ; 

 about 6 irregular dusky bands on the body, which extend up on the 

 dorsal fins; the bands are widest near the middle; the whitish markings 

 on the body form roundish si^ots and are surrounded by reticulations of 

 grayish olive. Head marbled, its posterior part as well as the sides of 

 back and the pectoral base, with small blackish dots. Membrane lin- 

 ing the inside of the maxillary with two curved inky black bands on a 

 white ground. Angle of mouth with a black spot. Lining of opercle 

 inside black. Fins all variegated like the body. Pectorals jiale, with 

 small olive spots. Obscure blackish spots on the 6th and 7th dorsal 

 spines ; soft parts of vertical fins with a narrow dusky margin. 



D. XI, 16; A. 18; Y. I, 5; P. 17. 



7. Gobius stigmaturus, u. sxi. 



Head contained 4, depth 6 times in total to caudal base. D. YI, 12 ; 

 A. 12; Y. I, 5; scales about 30 in lateral line. 



Body rather elongate, little compressed. Head moderate, not very 

 blunt, the anterior profile somewhat evenly decurved, the snout not very 

 short, little shorter than the eye. Mouth rather large, nearly horizon- 

 tal, jaws even, the upper jaw extending nearly to below middle of eye, 

 its length 2f times in that of head. Teeth in upper jaw in narrow bands, 

 the outer series much enlarged, some of the anterior teeth canine-like. 

 Teeth of lower jaw apparently in a single, somewhat irregular series, 

 slightly smaller than those in the outer series of upper jaw. Eyes placed 

 high, about 3;^ in head ; interorbital space very narrow— -a mere ridge. 

 Scales large, ctenoid; those on the nape much smaller. Gill-openings 

 not continued forward above opercle. Dorsal spines very slender, none 

 of them filamentous, the longest three-fourths as long as the head, soft 

 dorsal low, its longest ray two-thirds as long as head. Anal similar to 

 soft dorsal. Caudal as long as the head. Pectorals slightly longer 

 than the head. Yentrals about as long as head. Upper rays of pectoral 

 not silk-like. 



Color light olive, the sides marbled with whitish, the back with dark 

 punctulations. A dark spot on opercle and one below eye, sides with 

 about 5 dusky blotches along the median line, the last one forming a 

 distinct round black spot at caudal base. Yertical fins with wavy, 

 blackish bars; paired fins plain. 



