686 



F. W. GAMBLt; -VXD F. W. KEEBLE. 



Table X. — Constant 



Piel, Aug. 26t]i — 28tli, 1898. — Constant dark experiment with 



of examination 



Flask B, air circulator, Aug. 26tbj 13 uoon. 



Large browu Hippolyte 

 Mid-sized, transparent, browu 

 Small, brown 



■ Flask A— 



I Large, browu ^ 



Mid-sized, light brown |_ Eyes 

 Larger, light browu j amputated 

 ivu J 



2 small, light browi 



Plasli A a — 



Large, dark, black-brown 

 Mid-sized „ „ 



Small 



MO p.m. 



Semi-nocturue 



Slightly nocturnal ; trans- 

 parent, grey 



Cut 

 veutrallv 



Dull grey 



Went slightly nocturnal 

 after operation and re 

 covered. At 7.10 p.m. all 

 dead. 



Xocturne; brown hind 



with view Nocturne 



of section- 

 ing nerve- 

 cord 



Xocturne 

 Transferred to flask A 



All with suggestion of grey 



Water ciroulator B — 



12.40 p.m. Scraps ofDictyota weed 

 ' Large, transparent, yellow-browu Unchanged 



Mid-sized, brown 



2 small, lightish brown 



Water circulator A. No weed- 

 Mid-sized, light brown 



Mid-sized, transparent green 



Mid-sized, yellowish green 



Unchanged 

 Unchanged 



Light brown 

 Light brown 

 Greyish brown 



Mid-sized, almost black, freckled with Unchanged 

 lighter spots 



10 p.m. 



Nocturne 

 Xocturne 

 Xocturne 



Good nocturne 

 Good nocturne 



One not seen 



Very transparent; 



almost colourless; 



tinge of green 



Unchanged 



2 nocturnes 



2 very transparent 



and almost colourless; 



1 of them slightly 



greenish 



