Trans. Nat. Hist. Soc. Glasgow, Vol. V. (N.S.) 



Plate III. 



From Photograph by 



John Flemhig. 



Natural Arch, "Ship" Rock, Sanda. 



From Photograph by John Fleming. 



Nest of Great Black-Backed Gull {Larus marinus^ Linn.) on Glunimore. 



