Physiology of Ventral Nerve Cord of Myriapoda. 279 

 TOTAL LATENT TLME IN SECONDS. 



Distal. Proximal. 



0.46 o.io 



0.48 0.1 1 



0.51 0.13 



0.40 0.10 



0.42 0.09 



0.46 O. II 



0.45 0.09 



0.45 0.13 



0.43 0.13 



0.45 O.I I 



0.46 0.13 



Average. . . 0.45 o.i i 



Transmission time 0-34 sec. 



Length of cord ( 100 segm.) 10 cm. 



Rate 26.4 cm. per sec. 



TABLE V. 



Summary of the measurements of the antero-posterior rate in 

 the nerve-cord of Himantarium. 



No. of pairs Transmission Length of cord 



