xviii. LIST OF PLATES 



XLTV. NEST OF BLACK-HEADED GULL ...To face p. 416 

 (KITTIWA 

 (GREAT 



IcBLAND 



(KITTIWAKE GULLS AND YOUNG (Fig. 1) 

 (GREAT BLACK-BACKED GULL (Fig. 2) f 



XLVI. 



(LEFT WING OF ICELAND GULL (Fig. 2) 



XLVIL A BEETLING ROCK PINNACLE ...... ,, 446 



XLVIII. KITTIWAKE GULLS ......... ,, 448 



(ARCTIC OR EICHARDSON'S SKUA (Fig. 1) ] 

 XLIX ' (ARCTIC OR RICHARDSON'S SKUA (Fig. 2) } " 



L. RAZORBILL ............ ,, 468 



(GREAT AUK (Fig. 1) 

 LT< (GREAT AUK (Fig. 2) 



(HEAD OF GREAT AUK (Fig. 1) 

 T TT 



' {HEAD OF GREAT AUK (Fig. 2) 



LIII. EGGS OF GREAT AUK ........ , ,, 482 



LIV. FORKED-TAILED PETREL. NEST AND 



EGG ............... 540 



(MANX SHEARWATER (Fig. 1) ...... ) 



lV ' WMAB (Fig. 2) ......... I " 



LVI. FULMAR ON ITS NEST .. 566 



