130 DR. B. D. STEELE, DR. D. McINTOSH AND DR. E. H. ARCHIBALD 



5 l-O 1-5 2-0 2-5 3-0 3-5 4-0 4-5 5'0 5-5 6'0 6 



Fig. 5. 



5 7-0 7-5 8-0 8-5 



