\ 



'w/^ 



/ \*l\ 



PI. 73- 



PcnnntnlcL pliosf>horca. 



A Luminous Sea pen, 



(pp. 70, 189 . 



iYi93. 



Pe/ag/n noctihicn. 



A Luminous Jellyfish. Natural size. 



(p. ISO;. 



