APPENDIX. 



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



waig. 



3. Black-billed, Carfil gylfinddu. 



4. Puffin, Pwffingen. 



5. Little, Carfil bach. 



XLL 

 GUILLEMOT. 



745 



XLIL 

 DIVER. 



1. Black-backed, Gwylan gefn-ddu. 



2. Skua, Gwylan frech, 



C c 4 3, Black 



