PAKALICHTHIN^ 125 



body, with a distinct curve above the pectoral fin ; a suprateraporal branch present. 

 Vent on blind side, in advance of or above first ray of anal fin. Vertebrae 35 (9 + 26). 

 Three species from both coasts of North America. 



Synopsis of the Species. 

 I. Pelvic of ocular side about as long as or longer than head, twice or more 

 than twice as long as that of blind side ; depth about twice in length. 



A. Anterior dorsal rays not prolonged ; tubules of lateral line much 



branched ; gill-rakers rounded, as broad as long ; anal 63-66 



I. dendritica. 



B. Some of the anterior dorsal rays prolonged, forming a distinct lobe ; 



tubules of lateral line simple ; gill-rakers pointed, longer than broad ; 



anal 54-56 ......... 2. dilecta. 



II. Pelvic of ocular side (in adults) less than | as long as head, not much longer 



than that of Wind side : depth i§ to i| in length . . 3. quadrocellata. 



I. ANCYLOPSETTA DENDRITICA, Gilbert. 



AncylopscUa dndritica, Gilbert, 1891, Proc. U.S. Nat. Mus., xiii, (1890), p. 121 ; Gilbert and Starks, 



1904, Mem. Calif. Acad. Sci., iv, p. 199, pi. xxxiii, fig. 62. 

 Kamularta dendritica, Jordan and Evermann, 1898, Bull. U.S. Nat. Mus., xlvii (3), p. 2633. 

 Hippoglossina sabanensis, Boulenger, 1899, Boll. Mus. Zool. Anat. Torino, xiv, No. 346, p. 4. 

 Pseudorhombus dendritica, Meek and Hildebrand, 1928, Field Mus. Pub. Chicago, Zool. Ser., xv, No. 



249, p. 972. 



Depth of body about twice in the length, length of head nearly 4. Upper profile 

 of head very slightly notched in front of eyes. Snout with a blunt bony knob on 

 ocular side, shorter than eye, diameter of which is 5 to 5J in length of head, and more 

 than twice the interorbital width ; eyes separated by a flat scaled space, anterior margins 

 about level, the upper close to edge of head. Maxillary extending to below posterior 

 part of eye, length 2i to 2} in that of head : lower jaw a httle more than twice in 

 head. Teeth directed obliquely inward. Gill-rakers rounded, as broad as long : 

 5 or 6 on lower part of anterior arch. 86 to 88 scales in lateral line. Tubules of 

 lateral lines (in adults) much branched ; suprateraporal branch well developed. 

 Dorsal (76) 80-82 (84) ; commencing just behind posterior nostril of blind side and 



