278 BULLETIN 180, UNITED STATES NATIONAL MUSEUM 



plain, pale; midbase of caudal fin with a pale oblong bar, bordered 

 with diffuse blackish ; pectoral and pelvics plain pale. 



Salarias lineatus Valenciennes 



3&. Dorsal rays XII, 16 or 17; anal rays 19 or 20; soft dorsal free from 



caudal fin ; nasal tentacles probably simple ; cirrus over eye simple ; 



pair of simple tentacles on ua-pe; depth about 4i/^ ; head 4%; eye 



3% ; height of longest ray of soft dorsal about 1% in head. 



5a. Color light brown, everywhere with numerous small white spots. 



Salarias alboguttatus Kner 

 5&. Color pale brown, with about four rows of brown six>ts made up of 

 fine .sijecks, the spots in the two lower rows much larger than 

 those in the upper rows; two rows of oblong, pearly white spots, 

 commingled with the two lower rows of brown spots; above these 

 are numerous small pearly spots; head covered with many pearly 

 and brown specks; a dark streak behind eye; behind this a dark 

 band extending from nape diagonally downward and forward to 

 throat; under side of head pale, with white specks; a small black 

 spot on each side of throat; chin and upper lip with black streaks; 

 margin of dorsal dark, base of pectoral covered with pearly white 



spots (after Jordan and Seale) Salarias g'uttatus Valenciennes 



26. Canines present near corners of lower jaw inside of mouth. 



6a. Background color of body pale, with four distinct, parallel, black, longi- 

 tudinal lines on midsides of body, these ending on region of caudal 

 peduncle in series of broken lines or black dots, the upper three black 

 lines in a group, then a space and the fourth line in middle of lower 

 half of side ; anal with a black line near its base, rest of fin dusky ; 

 caudal fin barred ; in small specimens, in addition to black lines 

 side of body with seven or eight bars, ventrally U- or V-shiip^d ; 

 lower lip pigmented, then a pale area or bar behind it on chin ; gill 

 membranes ventrally dusky ; pelvics and pectorals plain pale ; snout 

 with bar in midline, then one each side ; a trace of black pigment 

 area behind eye; dorsal rays XIII, 20 or 21; anal about 22; peri- 

 toneum jet black ; nasal tentacle trifid from pediclelike base ; simple 

 cirrus on each eye V2 to % of eye; no cirrus on nape; crest un- 

 developed ; soft dorsal not joined to caudal ; depth in length 4% ; 

 head 4\i- to 4i/^ ; eye 3% ; longest pelvic ray l%o to 2 in head; longest 

 soft d(n-.sal ray 1% in head ; dorsals deeply notched. 



Salarias caudolineatus Giinther 

 (ib. Color not as in 6a. 



7o. Dorsal rays XII or XIII, 13 to 17; anal rays 17 to 19 (usually 18) ; 

 cirri on eye multifid, either a central axis with long filaments com- 

 ing off its sides (not mere fringes but long cirri) or a long simple 

 cirrus at outer side of eye with multifid cirri coming off its inside 

 base ; nape with a pair of simple cirri ; nasal cirri multifid ; soft 

 dorsal not joined to caudal. 

 8a. Peritoneum blackish ; a central cirrus over each eye with long 

 filaments coming off its sides, one-third length of eye ; crest un- 

 developed; upper lips crenulate; dorsal rays XII or XIII, 15 

 to 17 ; anal 18 or 19 ; depth 5Y-, ; head 3% to 4 ; eye 4Vr, ; pelvics 

 IVi in head ; longest soft dorsal ray 2 in head ; deep notch be- 

 tween dorsals; color light brownish, body everywhere covered 

 with small black spots most intense on sides, these helping to 

 form about five or six vertical bars, often unbroken on upper 

 sides ; ventrally white predominates between the fewer black 



