Jfoma/opteraort/wgoniataovfler,Proc.A.c&d.Na.t.Sci. Philad.(2)LVII. 1905, p. 475. 

 Homaloptera orthogoniata Topta, Notes Leyden Mus. XXVII. 1906, p. 181. 



D. 23.89; A. 2 3.5 6; P. 5.10.1; V. 2.8; L. 1. 6367; 



10 



L. tr. T. 

 ii 



Height about 5, 6.7 in length with caudal. Head 4.5 5, 

 5.7 in length with caudal, its breadth i J / 4 in its length. Eye 

 10, situated in the fourth fifth of the head and 4 times in inter- 

 orbital space. Lips thick and fleshy, lower lip formed into 



9 Fig. 4. Homaloptera orthogoniata Vaill. (After Vaillant). 



three thick fleshy folds. Barbels equal, robust, short. Origin 

 of dorsal before middle of length, a little before origin of ven- 

 trals. Dorsal truncate, its height about equal to that of the 



