Silvery-bat 



1173 



Little Brown-bat 



Red-bat 



7-3° 



Silvery-bat 



Big Brown-bat 



8.30 



I 

 Hoary-bat 



9-3° 



Bat scale for evening early in August, near Toronto, Can., sun setting just before 8. In the morning it is 

 probably reversed. (This is, of course, diagrammatic rather than literal.) 



There seems little doubt that each of our Bats gathers all meals 

 its food in the two twilights, retiring between times to its lurk- 

 ing place all day and all night. Moonlight probably has a 

 modifying effect. 



The following interesting record, by M. Figaniere, ap- habits 

 peared in Allen's "Monograph."^ It is not by any means cer- 

 tain which kind of Bat was meant; the probabilities are that 

 there were several species, with the present one predominant, 

 since he twice calls them very small and very black: 



"In the winter of 1859, having purchased the property 

 known as Seneca Point, on the margin of the North-east River, 

 near Charlestown, in Cecil County, Md., we took possession of 

 it in May of the next year. * * * Having been uninhabited 

 for several years, it exhibited the appearance, with the excep- 

 tion of one or two rooms, of desolation and neglect. * * * 

 The weather which was beautiful, balmy and warm, invited 

 us towards evening to out-door enjoyment and rest after a 

 fatiguing day of travel and active labour; but chairs, settees, 

 and benches were scarcely occupied by us on the piazza and 

 lawn, when, to our amazement, and the horror of the female 

 portion of our party, small black Bats made their appearance in 

 immense numbers, flickering around the premises, rushing in 

 and out of doors and through open windows. 



"* * * Evening after evening did we patiently, though not 

 complacently, watch this periodical exodus of dusky wings into 



" H. Allen, Monog. Bats N. A., 1864, pp. xvii-xviii. 



