Fig. 1. Hemigrammus ulreyi (Boulenger). 
3050 C.M. 44mm. Jauru, Brazil. 
Fig. 2. Hemigrammus coeruleus Durbin. 
20801 M. C. Z. 40mm. Type. Manacapura, Brazil. 
r Fig. 3. Hemigrammus elegans (Steindachner). 
20869 M. C. Z. 35mm. Tapajos, Brazil. 
