Fisher: Hypophthalmid.e, Diplomystid.e, Silurid.e. 417 



39. Phractocephalus hemiliopterus (Bloch & Schneider). 



7023a, C. M., one, about 410 mm., Maciel, Rio Guapore, July 9, 1909. 

 Haseman. 



40. Platynematichthys punctulatus Kner. 



7020c, C. M., one, 330 mm., Manaos, Nov. 28, 1909. Haseman. 

 702 ic, C. M., one, about 570 mm., Cachoeira de Giral, Rio Madeira, 



Oct. 26, 1909. Eigenmann. 

 7022a, C. M., one, about 477 mm., Cachoeira Theotonio, Rio Madeira, 



Oct. 30, 1909. Haseman. 



41. Sciades pictus Miiller & Troschel. 

 7016a, C. M., one, about 570 mm., Manaos, Nov. 28, 1909. Haseman. 



42. Sciades marmoratus Gill, 

 70170, C. M., one, about 560 mm., Manaos, Dec. 2, 1909. Haseman. 



43. Steindachneria parahybae (Steindachner). 



7035a, C. M., one, 370 mm., Entre Rios, June 3, 1908. Haseman. 



44. Pseudoplatystoma fasciatum? (Linnseus). 



7030a, C. M., one, 310 mm., Puerto Suarez, May 6, 1909. Haseman. 

 6798a-c, C. M., three, Uruguayana, Feb. 7, 1909. Haseman. 

 7031a, C. M., one, 305 mm., Manaos, Nov. 16, 1909. Haseman. 

 6799a, C. M., one, Santarem, Dec. 15, 1909. Haseman. 

 7032a, C. M., one, 220 mm., Manaos, Nov. 16, 1909. Hasemait. 



In these specimens the dark lateral bands are represented by short 

 oval spots. Barbels extending beyond tip of dorsal. 



45. Pseudoplatystoma coruscans (Agassiz). 



7028a, C. M., one, about 370 mm., Joazeiro, Rio San Francisco, Nov. 



28, 1907. Haseman. 

 7029c, C. M., one, about 350 mm., locality ? Haseman. 



46. Platystomatichthys sturio (Kner). 



7025a-&, C. M., two, 250 mm. to base of caudal, Para, Jan. 16, 1910. 



Haseman. 

 7122C-C, C. M ., three, 165-185 mm., to base of caudal at middle, 



Para, Jan. 5 and 18, 1910. Haseman. 



