A Si/nopsi's of the Geuus Liocassis. 547 



pubescence, in well-preserved specimens with pale stripes and 

 spots. Scutellum identical in colour and pubescence. Abdo- 

 men blackish, with a broad greyish stripe at each side, or sides 

 greyish, the grey median stripe and spots at sides usually 

 distinct. Le^s blackish, the fore tibire pale at base only, the 

 middle and posterior tarsi with the first joint almost wholly 

 whitish. Wings with four well-marked rosettes, the ajiical 

 band double, beginning as a broad spot from the apex of 

 second longitudinal vein, proceeding with its lower branch as 

 a narrow wavy line to the middle of the second submarginal 

 cell ; its upper branch crosses the apex of wing in a straight 

 line, but is usually broken up into two or three large spots, 

 which are often very faint and sometimes ol)literated ; below 

 the lower branch small half- moon white spots begin, one in 

 the second submarginal cell and two in the other cells as far 

 as the apical cell, almost touching the pale markings at border 

 in all the cells ; veins brown, stigma a darker brown. 



Male is identical, but smaller, the abdomen more reddish 

 brown, the spots not distinct. Ei/es copper-coloured, the 

 large facets take uj) two-thirds of tiie eye. Forehead covered 

 with grey tomentum ; a black spot between the antennse, the 

 first joint of which is stout, but shorter than the third, 

 blackish, with grey tomentum, the third reddish. Palpi 

 yellow, with black hairs. 



LXV. — A Synopsis of the Siluroid Fishes of the \ Genus 

 Liocassis, with Descriptions of new Species. By C. Tate 

 Kegan, M.A. 



(Published by permission of the Trustees of the British Museum.) 



Of twenty-four species of Liocassis* all but five, L. naso, 

 fuscus^mahalamensis, vaillanti, and liacanthus,a.re represented 

 in the British Museum collection. Of the last-named I have 

 seen one of the types, kindly sent to me for examination 



* Pimelodus rarna, Ham. Buch., from Bengal and Assam, is placed by 

 Day in Liocassis (Fish India, p. 451, pi. cxv. tig. 2); it seems im- 

 probable that this little fish really belongs to the genus ; but, if it does, 

 the large eye and minute mandibulary barbels distinguish it from all the 

 other species. Liocassis torosilabvis, Sauvage (Ann. Sci. Nat. (6) i. 

 1874, no. 5, p. 7), from China, is described as having movable labial teeth, 

 and is doubtless a Bagrichthy*, whilst Mile. Popta has shown that Lio- 

 cassis macropterus, ^'ai]lant, is a Bagroides (Notes Levden Mus. xxvii. 

 p. 228). 



