30 NATURAL HISTORY ESSAYS 



is grotesque, pseudo-reptilian, almost unearthly ; the 

 other is an attractive and indeed beautiful animal. 

 Perhaps, however, the orange tint in the fur of the 

 adult is due to the prolonged action of the spirit; 

 just as museum specimens of the lime hawk moth 

 become reddish after a time. 



In taking leave of the Hying lemur one is again 

 reminded of the usefulness (or otherwise) of the lower 

 animals to man, as pointed out in the essay on the 

 vampire bat ; by this, is not, of course, meant domes- 

 tic animals, whose value is undoubted. The rare 

 and little-known cobego has yielded its contribution to 

 scientific progress in the matter of the upas juice, just 

 as in the hands of Charles Waterton the Brazilian sloth 

 demonstrated the effects of the curare poison used in 

 Indian blowpipes. The study of zoology offers a 

 boundless field to the patient worker, and a thousand 

 paths await his feet. 



Ardttus ad so km ! 



