﻿SWALLOW, 569 



This is common about the banks of rivers apd fand-pits, where Placb and 

 it digs deep horizontal holes in the fides ; at the end of which is 

 the neft, which is compofed only of a few dried fibres, or ftraw, 

 mixed with feathers. It is faid to lay only once in a year (the 

 eggs five or fix in number, quite white and tranfparent) and to 

 produce its young more early than the reft of its tribe *. 



Salerne obferves, that the young are very fat, and in flavour 

 fcarce inferior to the Ortolan. 



This fpecies is found throughout Europe. It does not always 

 take pains to make an hole for a neft ; frequently laying in cavi- 

 ties of quarries, and in hollows of trees, where it is convenient. 

 It is likewife an inhabitant of North America throughout; making 

 the neft in the fteep fhores of rivers and lakes, in the fame man- 

 ner as in England f . 



Hirundo rupeflris, Scop, ann.'i. p. 167. N° 253. n. 



ROCK SW, 



CIZE of the Martin. Bill black: upper parts of the plu- Description, 



mage moufe-colourj quills and tail darkeft; beneath whitifh: 

 the tail nearly even at the end, or at leaft very little forked ; on 

 each feather a white fpot on the inner web : legs naked, and 

 black. 



Inhabits Carniola. Makes its neft of clay, in the hollows of Place amb 

 rocks. Manners. 



• Fri/ch.—lih, one would fuppofe the probability of having two broods in a 

 year, at leaft. 



f Kalm. — Called in America, Ground Siva/lotv. 



VOL. II. 4 D L'Hirondelle 



