﻿ICIITHYOLOGICAL RECOXXAISSAXCE OF COLOMBIA 



21 



The reerli number 3 in tlie first row of six iireniaxillaries. 4 in 

 twenty-two. o in eleven. G in one and 2 in one: tln^y number 4 in tlie 

 second row in tliirty-seven. five in fi'ur ami tliree in une. Tlie maxillary 

 teeth are i., ^. 4, i, i. ^- j\, where the numerator represents the 

 number of the teetli and tlie denominator the number (^f individtials 

 having them. 



Briiconn iiif rir-v s toliiiKT. drriii-j-rjis. iifiitatiis with the present spec-ies. 

 form an alniMst eom^ilete bridge between the scJeroparius branch of the 

 genus Brijcona mcricus and Hemiljrucon. 



