DARTFORD WARBLERS 17 



substantial, with walls fully an inch thick. 

 Externally it is composed of, firstly, a few fine 

 heather-twigs, some broadish fronds of goose-grass, 

 some very fine spiculae of dead gorse, stems of 

 tapering grass and a few pieces of white down, in 

 addition to a yellowish cocoon or so, lined with 

 remarkably fine rootlets and grass stems, a little 

 black horse-hair in strands, two or three Ring- 

 Dove's small feathers and one tuft of rabbit's 

 14 fleck." 



The second, measuring 15 in. in circumference, 

 3^ in. across, with an " egg-cup " 2 in. in diameter 

 and 2 Jin. in depth, is chiefly made of goose-grass, 

 with a sprinkling of fine heath-twigs and cocoons 

 round the rim, as well as with some of the latter 

 just inside the rim, as also amongst the external 

 coating of grass, whilst the lining is of fine roots 

 and two strands of horsehair. 



The third a conspicuously neat specimen is 

 composed of fine grass-stems garnished with 

 cocoons, the outer rim profusely decorated with 

 twigs of fine heath, lined with very fine rootlets and 

 a small quantity of black horsehair, the inside of the 

 rim being adorned with small, grey, fluffy feathers. 

 Its circumference is 13 in., its external measurements 

 4 in. by 3f in. by 2^ in. ; its internal ones, 2 in. 

 by 2J in. by 1^ in. The fourth, 4^ in. across, with 

 an "egg-basin" 2-J- in. across by 2Jin. deep, is 

 constructed of fine heath and grass mixed with 

 wool, lined with a little hair and a few feathers. 



