LIVING LIGHTS 



complicated organs. And when we see a female 

 glowworm with luminescent organs on the under side 

 of the body turning herself back downwards with 

 the result, at any rate, that her light is visible, we 

 find it difficult to believe that the light is not a 

 signal to the male. Many animals move towards 

 a light, and it is a very probable view that the lumin- 

 escence of many marine animals helps to bring food 



A remarkable fish, Lamprotoxus flagellibarba, from deep water off 

 S.W. of Ireland. The small spots and the " looped band " 

 seem to be luminous organs. The feeler or barbule is many 

 times longer than the body, which is about seven inches 

 in length. (After Holt and Byrne.) 



to them. Professor Max Weber mentions the very 

 interesting fact that the fishermen of Banda cut 

 out the luminous organ of certain fishes, such as 

 Anomalops, which we have mentioned already, and 

 use it as a bait, for it keeps on shining for hours. A 

 sudden illumination of a luminous organ, or a sudden 



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