

“vance to oo be fatigue. of a migration; or ‘ mot, dat 
-thefe faéts may apply only to fome fpecies. Nor fhouldit be 
tin, was accurately fearched, in order to find fome of thefe 
"birds, but without fuccefs. It is farther objeéted, that ifthis 
“opinion, of their torpor arifing from cold, was well founded, 
i - when the feafons are mild, in autumn, they ought not to dif- 
| ag fo {oon ; and when we have warm weather in Febru- 
ay or March, they fhould appear fooner ; this, it is sfaid, is , 
| ‘not the cafe, 
2 st ‘The third notion, that they remain concealed under water, 
: o int the mud, during the winter, is fill mere extraordinary ; ; 











and from its being contrary to all analogy, feems to re=— 
. quite t the flrongeft fupport from aftual obfervation. 
: Tt was firlt fuggefted by Olaus Magnus, Archbifhop of 

by experienced fifhermen, they throw them in again; 
warmth, revive them, it is true, but that this premature 
relyrreftion is is attended only by a fhort renewal of their 
powers, | : 
~ Some very refpeftable Natural Hiderians have favoured 
ef a : pong? pe! the anes and founder of this 
I a : Etmulles 
‘Upfal, who fays, that they are often found in cluftered 
mafles at the bottom of the northern lakes, beak to beak, 
“Wing to wing, and foot to foot. ‘That when they are taken 
’ “omitted, that in 1757, by the direétion of Mr. Collinfon, a - | 
bank of a river, perforated with the holes of the Sand Mare 
but thofe who are unexperienced, by expofing them to - 
= 
