

854 FROCEEDIXaS OF THE XATIOXAL MUSEUM. vol. xxx. 



AGONOSTOMUS MONTICOLA (Bancroft). 

 DAJAO. 

 One specimen 3 inches long. 



SICYDIUM BUSCKI Evermann and Clark, new species. 



Head 4.25 in liod}-; depth (!; eye -i.To in head; snout 2.37; maxillary 

 2; interorhital 3; scales ;")7-2i»; D. VI-I, 8; A. I, 7; P. 18. 



Body elongate, rather (juadrato in cross-section, the back broad and 

 flat or slightly concave, the caudal peduncle stout, its least depth 1.97 

 in length of head; head rather large, broad and flattish above, the 

 frontal profile rounded, the eyes near the top of the head and pro- 

 jecting above the i)rofile; mouth horizontal, small, the mandible not 

 reaching to anterior border of orbit, the blunt snout and upper jaw 

 much projecting beyond the small lower jaw; teeth minute, those in 

 upper jaw brown, curved, the posterior side concave, the anterior 

 convex, in a single rasp-like row hidden behind the thin but somewhat 



Fig. 3. — SicYDii'M mscKi. 



flesh}' upper lip. those in lower jaw small but stout and conical, ])rown- 

 tipped, iew in a single row which is interrupted in the middle and 

 terminated at each end by peculiar and conspicuous tul)ercles which 

 arise on a shar}) ridge situated on or just within the fleshy lower lip; 

 a thin fold with a central projection just back of the teeth, con-e- 

 sjionding to the ])roader palatine fold above; gill-slits rather narrow, 

 gill-membranes ])roadly joined to the isthnuis. 



S})inous dorsal rather low, its longest spine 2.1«) in head, its ])ase 

 1.32. its origin al)()ut one-third the distance from tip of snout to base 

 of caudal, its contour gently rounch^d, the posterior rays \ying close 

 to back; soft dorsal similar in shape but more produced l)ehind, its 

 longest ray 2.71 in head, its l)ase longer than head, about 1.25 in body, 

 its origin midway l)etween eye and base of caudal; anal similar in shape 

 to soft dorsal and inserted somewhat behind it, its longest ra}' 2.71 in 

 head, its base 1.13 in head; pectoral l)road and rounded, extending 

 back to about middle of spinous dorsal, its length 1.39 in head; ven- 

 trals united into a round disk, rather straight in front, but rounded 

 behind, displaying in the bottom H stout radiating ridges (3 on each 



