J. S. NATIONAL MUSEUM 



BULLETIN 113, PL. 



It* 



A' 



V V 



9^ ^ 



4" ''"V 



> 



m^ 





s^ 



%^ 



•>>'4«ieMr.. 





K t 





1^' 



f^« 



J' ... • * 





^. \ 







•^^. ,'"^ 



A Hoen I Cb e»lwr,«^^ 



1 AND 2. Caspian Tern 

 3, 4 AND 5. Royal Tern 



FOR DESCRIPTION SEE PAGE 339 



