426 ME. G. A. BOTJLENGEB ON FISHES 



23. Stegophilus nemurus Gthr. 



24. Vandellia cierhosa C. & V. 



See remarks in P. Z. S. 1897, pp. 901 and 902. 



The following is a description of the four specimens in Dr. Bach's collection : — 



Depth of body 7 to 10 times in total length, length of head 8 to 10 times. Head 

 much depressed, nearly as long as broad; snout rounded, as long as the diameter of 

 the eye, which is 3| times in length of head ; interorbital space one half to two thirds 

 diameter of eye ; mouth inferior ; posterior nostrils between the eyes ; maxillary barbel 

 nearly half length of head ; opercle and prseopercle each with a bundle of erectile 

 spines. Body slightly compressed. Pectoral as long as head minus snout. Dorsal 9, 

 in the posterior fourth of the body. Anal 8-9, originating below middle of dorsal. 

 Caudal truncated. Caudal peduncle twice as long as deep. Uniform white. 



Total length 62 millim. 



CHAKACINID.E. 



25. Curimatus dobula Gthr. 



26. Cueimatus alburnus M. & T. 



27. Tetragonopterus multiradiatus Stdr. 



28. Tetragonopterus orbicularis C. & V. 



29. Tetragonopterus maculatus L. 



30. Chirodon alburnus Gthr. 



31. Chalcinus nematurus Kner. 



32. Gastropelecus stellatus Kner. 



33. Gastropelecus pectorosus Garm. 



34. Anactrtus knerii Stdr. 



35. Anactrtus lim^esquamis Cope. 



36. Anactrtus affinis Gthr. 



37. Ctnodon pectoralis Gthr. 



38. Cynodon yulpjnus Spix. ' 



39. Serrasalmo piraya Cuv. 



40. Myletes albiscopus Cope. 



