BIOLOGICAL BULLETIN, VOL. XII 



PLATE xxv 



Fig. 7 



Lob.Olf. 



Cor. Pin. 



'-Fed. Cer. 

 Tub. Ac. L 

 Tub. Ac. M 

 Ven. IV 



Fig. 10 



Tig. 18 b 



Fig. 15 d 



Fig. 16 



Fig. 11 



Fig. U 



Fig 17 



