FRESH AND RRACKISH WATER FISHES. 149 



b. RIVERS BETWEEN MENGILI AND WASANG. 



4. Dules rupestris (Lacep.). 



Giiuther, Cat. of Fishes, T. I, p. 268, nee macuUitus C. V. 

 Bleaker, Atlas Ichthyologiqi;e , T. VII, p. 121, tab. 339, fig. 2. 



m 5169. 5 Ex. Length 51 — 132 mM. 



The black dots on the centre of the scales and those 

 on the lower and upper part of the caudal fin are very 

 distinct. 



Except these are to be found in the Leyden collections: 

 N». 326. 1 Ex. Java. Coll. Kuhl and v. Hasselt. 

 NO. 4419. 1 Ex. Madagascar. Coll. Pollen and v. Dam. 

 NO. 5i68. 6 Ex. Timor and Amboina. Coll. Bleeker. 



5. Dules marginatus C. V. 



GüQther, Cat. of Fishes, T. I . p. 268. 



Bleeker, Atlas Ichthyologique , T. Vll, p. 120, tab. 316, fig. 1, 



nee Percci ciliata K. et v. H. nee Percichthys ciliala Giinther 



nee Kuhlla ciliata Gill. 

 Day, Fishes of India, p. 67, pi. 18, fig. 1. 



NO. 5170. 1 Ex. Length 117 mM. 



Day, in describing this species, gives the following re- 

 mark: »Perca ciliata (K. et v. H.) C. V. =: Percichthys 

 » ciliata (C. V). Gunther = this species according to Bleeker." 



Bleeker, in his treatise »Sur le genre Moronopsis Gill 

 i>{Paradules Blkr.) et les espèces Indo-Archipélagiques , 

 »Arch. Néerl. d. Sc. Ex. et Nat., T. VII," as well as in 

 his Atlas Ichthyologique, considers Perca ciliata (K. et 

 V. H.) C. V. synonymous with Dules marginatus C. V. 



Sub N". 328 is preserved in our collection the type of 

 D. marginatus 0. V., collected by Kuhl and v. Hasselt 

 in Java. The specimen is long 122 mM., according with 

 the »4'/2 pouces" of Cuvier et Valenciennes. With this ex. 

 the following specimens, together with the above men- 

 tioned N^. 5170, correspond: 

 N". 327. 1 Ex. Borneo. CoU. S. Muller. 



Notes from the Leyden Museum, Vol. X"VI. 



11 



