PARALICHTHIN^ 



135 



widely separated, largest at the sides. Gill-rakers very short, broad, strongly spinulate. 

 few in number ; lower pharyngeals each with a single row of slender, somewhat 

 curved, pomted teeth. Dorsal fin commencing above or in advance of nostrils of 

 blind side. None of the rays of pectoral fin prolonged. Scales small, ctenoid or 

 cycloid ; sometimes a few supplementary scales in region of lateral line. Lateral 

 line with a short, irregular supratemporal branch. Vertebrap 33. 



Four species from both coasts of tropical North and Central America. 



Synopsis of the Species. 

 I. Scales of ocular side cycloid [Cyclopsetta]. 



A. Dorsal 89-93, anal 70-74 ; lateral line tubules much branched ; 92 to 



98 scales in lateral line ; upper eye in advance of lower . i. querna. 



B. Dorsal 80-83, anal 60-68 ; lateral line tubules not much branched ; 



70 to 88 scales in lateral line ; anterior margins of eyes about level. 

 I. Scales firm, 83 to 88 in lateral line; hinder margin of left 



pectoral oblique . . . . . .2. chittendeni. 



1. Scales deciduous, about 70 in lateral line ; hinder margin of left 



pectoral subtruncate ...... i. fiinbriata. 



11. Scales of ocular side ctenoid [AzeviaJ. 



A. Dorsal 90-99, anal 70-78 ; eye 4! to 5J in head . . •4- panamensis 



B. Dorsal 85, anal 65-67 ; eye nearly 4 in head ... 5. maculijera. 



I. CYCLOPSETTA QUERNA (Jordan and Bollman). 



Azevia querna, Jordan and Bollman, 1890, Proc. U.S. Nat. Mus., xii, (1889), p. 174. 



Cyclopsetta querna, Jordan and Evermann, 1898, Bull. U.S. Nat. Mus., xlvii (3), p. 2675 ; Gilbert 



and Starks. 1904, Mem. Calif, .^cad. Sci., iv, p. 200 ; Meek and Hildebrand, 1928, Field Mus. 



I'ub. Chicago. Zool. Ser., xv, No. 249, p. 991. 



-Cyclopsetta q 



Depth of body 2j to 2j in the length, length of head 3^ to nearly 4. Upper profile 

 of head slightly and evenly convex. Snout longer than eye, diameter of which is 

 6 to 6J in length of head, and about twice interorbital width ; upper eye in advance of 

 lower and fairly close to edge of head. Maxillary extending to well beyond eye, 

 length I J to nearly 2 in that of head ; lower jaw i J to 15 in head. 8 or 9 gill-rakers 

 on lower part of anterior arch. Scales all cycloid, 92 to 98 in lateral line. Tubules 



