6 University of Michigan 



times in standard length in the Telembi series, 4.0 to 4.5 times 

 in the Istmina and Tado series. 



Like the other species of the genus, T. colonihiensis is a silvery 

 fish, the color darkening on the back and on the front of the jaws 

 to a purplish brown (in alcohol); regions over orbits, premaxil- 

 laries and occiput blackish. Dorsal and caudal fins, the base of 

 the anal, and the upper edge of the pectoral fin darkened. 



