GENUS ENTOMACRODUS — SPRINGER 



123 



gill-rakers on first arch 17-22 (17-20 in 90 percent of specimens); 

 pseiidobranchial filaments 5-7 (6 in 78 percent of specimens), not 

 increasing in number with increase in SL; vertebrae 34; supraorbital 

 cirri 1-15, number increasing with increase in SL (table 57), main or 

 longest supraorbital cirrus with most branches mesially, commonly 

 with several lateral branches; nape with 1 cirrus on each side; predorsal 

 connnissural pores 3-16 (rarely more than 11), number increasing with 

 increase in SL (table 58) ; preopercular series of pores with all positions 

 with simple pores; 1 pore before each anterior nostril; lateral line pores 

 terminating on side in area below and between dorsal fin spines 13 

 and dorsal fin ray 10 (usually between dorsal rays 3-6) ; ventral margin 

 of upper lip crenulate on lateral one-third, entire on middle third; lip 

 crenulae usually numbering 7-11 on a side. 



Proportional measurements: See tables 3, 4, and 59. 



No males with the skin of the anal spines and rays modified into 

 fleshy rugose pads were seen. A few males showed incipient develop- 

 ment of these modifications. It is presumed that all males available 

 were immature. The largest male examined was 68.8 nnn SL and the 

 largest female 66.9 mm SL. Males and females occurred with about 

 relative equal frequency in all size classes. The smallest specimen 

 seen was 17.5 nun SL. No ophioblennius stages were seen. 



Color pattern of preserved specimens. — In specimens with 

 what appears to be the most developed pattern there are 6)2 to 7 

 pairs of irregular dark bands on the sides of the body (except for the 

 anterior and posteriormost pairs, there were no fusions between the 

 midportions of the members of a pair). The anteriormost pair of 

 bands, over the pectoral base and axil, is the shortest and frequently 

 the darkest of the bands. Occasionally the anteriormost band pair 



TABLE 57. — Frequency distribution of number of supraorbital cirri of left eye of 

 specimens of Entomacrodus cadenati arranged by SL classes (in mm) 



Classes 



Number of cirri 

 1 2 3 ^ 5 6 7 8 9 10 11 12 13 U 



15 



Average 



15-19.9 



20 



25 



30 



35 



-iO 



45 



50 



55 



60 



65-69.9 



75-79.9 



1 2 



1 - 

 1 1 



- 2 



1-2 



1 



111 



1 - - 



1.0 

 3.4 

 5.0 

 5.4 

 6.9 

 6.2 

 7.7 

 7.6 

 9.7 

 9.9 

 11.5 



