816 CONTRIBUTIONS TO NORTH AMERICAN ICHTHYOLOGY IV. 
cycloid, loosely imbricated; those of the blind side a little smaller; no 
bony tubercles; vertical fins scaly. Anterior rays of dorsal elevated, 
branched, with free tips. Head 3f ; depth If. D. 65; A. 52; Lat. 1. 
85. L. 18 inches. Atlantic coast of United States, very common north- 
ward; size rather small. 
(Plem-onecte» maciilatm Mitch. Rept. in Part Fish. N. Y. 1814, 9: Plenrovectes aquosus 
Mitch. Trans. Lit. & Phil. Soc. i, 389, 1815: lihomhiis ai/MOSMS Giinther, iv, 411: Lophop- 
setta maculata Gill, Proc. Acad. Nat. Sci. Phila. 1862, 21G.) 
450.— CITHARICHTMYS Bleeker. 
(Heniirhombus Bleeker: Orthopsetta and ATetoponops Gill.) 
(Bleeker, in Giinther, iv, 420, 1832, and in Compt. Rend. Acad. Sci. Amsterdam, xiii, 
1862: type Citliarichthijs cayennensis Bleeker.) 
Eyes and color on the left side. Body oblong ; mouth of the large type, 
but comparatively small, with one or two series of small, sharp teeth in 
each jaw; no teeth on vomer or palatines. Gill-rakers moderate, slender. 
Dorsal fin beginning just in front of eye; all the fin rays simple; vent- 
rals of colored side on the ridge of the abdomen; no anal spine; caudal 
fin convex or double-truncate behind. Scales thin, slightly ctenoid. 
Lateral line nearly straight, simple. Lower pharyngeals separate, each 
with a single row of teeth. {Githarus, an allied genus; fish — a 
fish which lies on its xiOapoe; or ribs — that is, on its side.) 
a. Teeth in upper jaw in two rows. (Hemirhombus* Bleeker.) 
b. Intm’orbital space broad; left pectoral filamentous. 
1356. C. aramaca (Cnv.) J. & G. 
Light-brown, with blackish blotches; fins mottled; left pectoral 
barred. Body elliptic-ovate, the anterior profile regularly decurved, 
forming an angle above the snout. Mouth rather -large, arched ; max- 
illary 2f ill head, extending to below eye; teeth in uititer jaw in two 
series, some of the outer forming small canines ; lower teeth in one row. 
Eye large, 4 in head; lower eye in advance of upper, especially in the 
adult; interorbital space broad, concave, as broad as eye in adult, much 
narrower in tbe young. Gill-rakers short, flattish. Dorsal rather low, 
the longest rays 2f in head; anal without spine; pectoral of left side 
with two filamentous rays, its length If to 2 times head. Scales small, 
thin, weakly ciliate, with smaller ones intermingled. Head 3|; depth 
* Bleeker MSS. Giinther, Cat. Fish. Brit. Mus. iv, 423, 1862: type Hemirhombus 
^itiweejisis Bleek. (f/zz, half; pop/So?, Ehombus.) 
