776 mr. c. tate eeqax ox asiatic [nov. 9, 



7. SpHjErichthys. 



Sphcerichthjjs Canestrini, Yerh. ZooL-Bot. Gesellsch. x, 1860, 

 p. 707. 



Body deep, compressed. Jaws with very small, fixed teeth ; 

 palate toothless. Praeorbita] and lower limb of prseopercvilum 

 serrated. Dorsa,! with YIII-XII 7-10 rays; origin a little 

 behind that of the anal, which has VIII-X 18-22 rays; anal 

 scaly at the base and with the rays simple. Pelvics inserted a 

 little in advance of the pectorals, each of a spine and 5 soft jays, 

 the first somewhat produced ; scales large, regularly ari'auged ; 

 lateral line vestigial or absent. 



A single species from the Malay Peninsula. 



1. Sph^richthys osphromenoides. 



Sphcerichthys osphromenoides Canestrini, Yerh. Zool.-Bot, 

 Gesellsch. x. 1860, p. 707. 



Osvhromevms malayanus Duncker, Monatsb. Mvis. Hambui'g, 

 xxi. 1904, p. 163, pi. i. fig. 8. 



Body deep, compressed. Dorsal YIII-XII 7-10, Anal 

 YIII-X 18-22. 26 to 29 scales in a longitudinal series. 

 Brownish ; four whitish nearly vertical stripes on the posterior 

 part of the fish, of which one connecting the posterior dorsal and 

 anal spines and a second running downwards from the end of the 

 doi-sal fin are the most conspicuous, the third and fourth bordei iug 

 a dark spot on the upper part of the base of the caudal ; some- 

 times a similar stripe on the head, running obliquely from the 

 tempoial region to the base of the pelvic fins. 



Hah. Malay Peninsula. 



Two specimens, types of 0. mcdayamis, 40 mm. in total length, 

 from Kuala Lumpur {^Robinson). 



8. Otenops. 



Cteno]^s McClelland, Calc. Journ. Nat. Hist. v. 1844, p. 281. 



Trichojysis (Knei-) Canestr. Yerh. Zool.-Bot. Geselkch. x. 1860, 

 p. 708. 



Body oblong, compressed. Jaws with fixed conical teeth. 

 Prseorbital and prseoperculum serrated. Dorsal with II-YII 6-8 

 rays, commencing above the anal, vv'hich has lY-YIII 24-28 

 rays ; anal scaly at the base, with simple rays. Pelvics inserted 

 a little in advance of the pectorals, each of a spine and five soft 

 rays, the fii'st produced into a filament. Scales large, regularly 

 ari-anged ; lateral line vestigial or absent. 



Two species from India, Cochin China, Siam, and the Malay 

 Archipelago. 



1 . Ctenops vittatus. 



Osphromenus vittatus Cuv. & Yal. Hist. Nat. Poiss. vii. p. 387 

 (1831). 



