FISHERY BULLETIN: VOL. 78, NO. 2 



FIGURE 13.— EscaotOneirodes thysanema n.sp.,USNM 207931, 

 holotype, 26.5 mm SL, left lateral view. 



■S mm 



Description. — Escal appendage pattern B (Pietsch 

 1974a, fig. 60B); esca with a stout, internally pig- 

 mented, anterior appendage, greater than length 

 of escal bulb, bearing along posterior margin a 

 single branched filament proximally, and a series 

 of unbranched filaments distally; medial append- 

 ages in three groups, a highly filamentous pair 

 lying between a similar, but unpaired appendage, 

 and a series of three, stout papillae situated at the 

 base of the terminal papilla; terminal papilla un- 

 usually long, directed posterodorsally; posterior 

 appendage as long as anterior appendage, highly 

 compressed, bearing one or two, short, lateral 

 filaments, and a considerably longer, branched, 

 filamentous, anterolateral appendage on each 

 side; distal tip of internal tube of anterior append- 

 age, and dorsal pigment patch of escal bulb with a 

 paired circular, translucent "eye spot" (Figure 13). 



Suboperculum short and broad, upper end 

 rounded without indentation on posterior margin 

 (Figure 14); length of lower fork of operculum 

 27.7-30.2% of SL; ratio of lengths of upper and 

 lower forks of operculum 0.48-0.50. 



Epibranchial teeth absent; teeth present on 

 pharyngobranchial II. 



Counts and measurements in Table 2. 



Etymology. — The name thysanema is derived from 

 the Greek thysanos, meaning a fringe, and nema, 

 thread, alluding to the numerous filaments fring- 

 ing the anterior escal appendage of this species. 



Oneirodes alius Seigel and Pietsch 1978, 

 Figure 15, Table 4 



Material.— hkCM 36026-1, 38 mm SL, stn 122 

 (holotype); LACM 36027-1, 18 mm SL, stn 147 

 (paratype); LACM 36028-1, 21 mm SL, stn 141 



Figure 14. — Subopercula of Oneirodes thysanema n.sp., right 

 lateral views: A. Paratype, LACM 36093-4, 13 mm SL; B. Holotype, 

 USNM 207931, 26.5 mm SL. 



September 1969. 

 mm SL, stn 94. 



Paratype: LACM 36073-4, 13 



Diagnosis. — A species of Oneirodes differing from 

 all previously described species in escal mor- 

 phology: anterior appendage with a series of fila- 

 ments along posterior margin; medial appendages 

 in three groups; terminal papilla elongate; poste- 

 rior appendage compressed and branched. 



Table 4. — Measurements and counts of specimens of Oneirodes 

 alius. Measurements expressed as percentage of standard 

 length. 



390 



