NO. 3582 GENUS ENTOMACRODUS — SPRINGER 67 



positions occasionally including some pore pairs (usually at position 

 ninnber 6) ; 1-6 pores before each anterior nostril (2 or more in 32 of 

 34 specimens; total number of pores before anterior nostrils 3-9 in all 

 specimens) ; lateral line terminatino; on side in area below and between 

 segmented dorsal ray 4 and midcaudal peduncle (usually posterior 

 to dorsal ray 10 in specimens over 40 mm SL) ; ventral margin of 

 upper lip completely crenulate; lip crenulae number 27-39 (usually 

 30 to 36). 



Proportional measurements: See tables 3, 4, and 28. 



No males were seen with fleshy rugose modifications of the skin of 

 the anal spines and rays. The largest male examined was approxi- 

 mately 81 mm SL; the largest female examined was 95.6 mm SL. 

 The smallest specimen examined, 32.6 mm, was not an ophioblennius 

 stage. Only 8 of the 34 specimens available were males. 



Color pattern of preserved specimens. — Pacific Ocean speci- 

 mens: The sides of the body vary from almost uniformly pale to 

 bearing 4% or four and two half pairs of somewhat vertical series 

 of light to dark dusky spots. The half pair series of spots are on the 

 caudal peduncle and in the humeral region. A small, diffusely 

 dusky spot is noticeable in the humeral region of some specimens. 

 The ventralmost spots of each paired vertical series are least intense 

 and widely separated from each other. The most noticeable marking 

 on the side of the head is a slender, more or less vertical, irregular 

 stripe posterior to, and well separated from, the eye. Occasionally 

 this stripe expands into, and joins ventrally, an irregular dark blotch 

 (see: Schultz and Chapman, 1960, plate 114 D; Fowler, 1932b, 

 fig. 3). There may be other dusky markings with included pale 

 vermiculations, usually, but not always, between the eye and the 

 upper lip. Tlie poster odorsal portion of the opercle is occasionally 

 dark margined or completely dusky. The top of the head is irregu- 

 larly dusky. The ventral portion of the head always bears indica- 

 tions of dark or dusky chevrons, each sometimes with a distinct pale 

 margin (see Schultz and Chapman, 1960, plate 114 D). The upper 

 lip is marked by up to 22 dusky, sometimes irregular, stripes of 

 varying intensity, separated by narrower pale stripes, and arranged 

 in groups of equal intensity. Frequently the darkest stripes on each 

 side of tlie lip are in the area below the eye. 



The spinous dorsal fin usmxll}^ bears a narroAx dusky distal band 

 followed proximally by irregular, diffuse, dusky, and pale stripings. 

 There are up to five darkly dusky areas at the base of the fin which are 

 extensions onto the fin of the spots on the body. The soft dorsal rays 

 each bear t^^•() or three light to dark dusky spots arranged in diagonal 

 series across the fin. The tips of the anal fin rays are pale, especially 

 anteriorly on the rays. The remainder of the rays are dusky. The 



