by C. Tate Regan. 207 
Synopsis of Genera. 
I. Pelvic fins equal, short-based. (PARALICHTHIN#). 
Mouth moderate or large ; eyes separated by a ridge ; lateral 
line developed on both sides. 
Pelvic fins symmetrical ; teeth universal. 
1. PsEUDORHOMBUS. 
Left pelvic fin median, right lateral; teeth pluri- 
SEMA etc suc dae oe eee testo 2. PARACITHARUS. 
II. Left pelvic fin median, with base much longer than that of 
right. (Boruin2). 
Mouth rather small; interorbital region concave; lateral 
line on left side only ; teeth equal, uni- or bi-serial. 
Gill-opening extending upwards to lateral line; 
Seales lancer a: ehctee isan .ce x. 3. ENGYPROSOPON, 
Gill-opening ending a short distance above pectoral 
fin; scaling of head and body continuous below 
lateral line; scales large....4. CrossonHoMBUS. 
Gill-opening ending a short distance above pectoral 
fin; membrane connecting operculum with 
shoulder scaleless ; scales small..... 5; Boraus. 
1. PsEUDORHOMBUS. 
Pseudorhombus, Bleek., C.R. Acad. Amsterdam, XIIT, 1862, Pleuron. 
Dp. o: 
Eyes on the left side, separated by a ridge. Mouth moderate or 
rather large; teeth in jaws conical, pointed, uniserial ; palate tooth- 
less. Gill membranes united. Dorsal fin originating above posterior 
nostril of blind side. Pelvic fins short-based, symmetrical. Scales 
small or of moderate size, ctenoid on left side. Lateral line developed 
on both sides, with a strong curve anteriorly and with an accessory 
branch running upwards to or towards the eighth to eleventh ray of 
dorsal fin. 
Several species from the Indo-Pacific ; two known from Natal. 
