APPENDIX. 



2. Razor-bill, Carfil, Gwalch y pen- 



waig. 



3. Black-billed, Carfil gylfinddu. 



4. Puffin, Pwffingen. 



5. Little, Carfil bach. 



745 



XLL 

 GUILLEMOT, 



1. Foolifh, 



Gwilym. 



2. Leffer, 



Chwilog. 



3. Black, 



Gwilym d&, 



XLII. 



E R, 



f. Northern, 



Trochydd mawr. 



* 2. Imber, 



Trochydd, 



3. Speckled, 



Trochydd back. : 



4. Red-throated, 



Trochydd gwddfgoch 



5. Black-throated, 



Trochydd gwddfdu, 



XLIII. 



G U 



L L, 



i, Black-backed, Gwylan gefn°ddu ? 



2. Skua, Gwylan frech, 



C c 4 3, Black 



