88 



MEMOIRS NATIONAL ACADEMY OF SCIENCES. 



Table of interlacings for the system VC. 



[Vol. XTV. 



No column of VA agrees with any column in VC, therefore VA and VC are noncongruent. 



Table of interlacings for the system V4&1. 



Table of interlacings for the system V4^2. 



The two systems V431 and V4|82 show dissimilar columns a, and therefore are noncon- 

 gruent. 



Table of interlacings for the system 18. 



The tables of interlacings for the systems 18 and 29 show manj^ dissimilar columns, there- 

 fore these systems are noncongruent. 



Table of interlacings for the system 32. 



Table of interlacings for the system 35 [^Cole^. 



