[49 ] FLOUNDERS AND SOLES. 273 
bb. Dorsal rays 85 to 90; anal 68 to 72; lat.1. 55 to 60; head 32 in length; depth 
24; eyes large, separated by a sharp, scaleless ridge ; maxillary 
2% in head; teeth slender, rather long; gill-rakers share rather 
slender; pectoral 12 in head; color olivaceous, the scales edged 
with darker; fins dusky; a small ink-like spot on the middle of each 
seventh to tenth ray of each of the vertical fins. ....STIGMUS, 52. 
aa. Vertebre 33 to 36; interorbital ridge low and narrow, the head closely com- 
pressed (Citharichthys). 
c. Eyes large, 3 to 44 times in the head. 
d. [Head large, 3} in length; pectoral of left side elongate, one-third longer 
than head; maxillary 24 in head; ‘‘lateral line slightly curved 
over the pectoral”; scales thin, deciduous, cycloid ; eye 341n head, 
five times interorbital space, which is a rather prominent narrow 
sharp ridge; a strong spine on the snout over the upper lip, above 
this another shorter spine ; caudal fin subsessile ; head, 34; depth, 
24; D. 91; A. 73; Lat.1. 48. Color grayish-brown.] (Goode § 
IBPAINO) We cmc ies Bret ne Sei ie SES a ae pes a ae eA to a DINOCEROS, 53. 
dd. Head smaller, about 4 in length. - 
e. Body comparatively elongate, the depth about 24 in length; mouth very 
small; the maxillary 34 in head; teeth very small, the anterior 
scarcely enlarged; eyes large, 4 in head, separated by a very nar- 
row, sharp scaleless ridge, one-sixth diameter of the eye; snout 
with a small blunt spine; rays of vertical fins all exserted; left 
pectoral twice length of right. Head, 4 in length; depth, 24; D. 
83; A. 67; Lat.1. 40. Color light brown -...---.. ARCTIFRONS, 54. 
ee. Body comparatively broad, the depth about half the length ; mouth larger, 
f. [Snout with a strong sharp spine on eyed side, above upper lip. Eyes 
‘large, 3 in head; greatest depth of body over the pectorals ; inter- 
orbital space with a wide ridge, about half diameter of eye; teeth 
ininute, close-set, stronger on blind side; body extremely thin; D. 
73 to 75, A. 60, Lat. 1.40. Ashy gray, with dark lateral line. 
Deep-water species with loose scales.] (Goode) -.--UNICORNIS, 55 
ff. Suout without distinct spine. Eyes moderate, 34 to 44 in head; great- 
est depth of body under middle of dorsal; interorbital space a nar- 
row, scaly ridge with aslight median groove ; maxillary 2} in head; 
teeth small, those in front slightly enlarged ; body not very thin; 
gill-rakers moderate, 6-++ 13. 
g. Dorsal rays .80; anal 56; scales large, cycloid ; no accessory scales ; 
head 4 in length; depth 2; D.80,A.56, Lat.1.41. Vertebrie 9+ 
2534. Eye 32'in head. Gain light slivedbrawst with some 20 
dark brown spots, the largest about as large as eye; four of these 
spots arranged at equal intervals along the lateral line, the second 
being most prominent ; dorsal and anal with round dark spots, one 
on the middle of each sixth to seventh ray, besides smaller, irregu- 
lar spots and mottlings; caudal spotted; two brown spots, one 
above the other, at base of caudal; shallow-water species. 
Macrops, 56. 
99. Dersal rays 68; anal 52; scales smaller, the lateral line with about 53 
pores ; quilts eooalaely oval, without angle ; eyes moderate, 44 in” 
head, close together, the orbital ridges Coaleseens: the lower fear 
Teeth small, uniserial; maxillary 2+ in head; gill-rakers short and 
very slender, X-+-12. Color dark brown, with whitish blotches, the 
fins MOthletlees es sc <o8 Se OOS A SEE Ee Eee repr UMLERT, 57, 
S. Mis. 90-——-18 
