Table 1. Periods of the Tb rhythm in DD and phase relationship between wheel running and Tb rhythms in LD.

	Period in DD		Phase relationship1 in LD
Animal	With wheel	Without wheel	Tb and wheel running
#45	24.2 h	24.2 h	32 min
#46	23.9 h	23.9 h	−35 min
#52	24.2 h	24.12 h	10 min
#69	24.2 h	24.2 h	−115 min
#97	24.3 h	24.2 h	30 min
#98	24.1 h	24.2 h	5 min

¹ Phase relationship  =  onset Tb - onset wheel running