158 



SUBKINGDOM TBETEBKATA. 

 Fig. i69. 



Rhynchops nigra^ Sciesors-bill. J. 



the short upper one, like a razor into its handle, 



Fig. 270. 



Darting 

 swiftly* along, cutting 

 the water with its lower 

 mandible, small fishes 

 struck by it slide upward 

 to the throat, and are im- 

 mediately swallowed. 



Procellariidse. — The 

 Albatross and Petrel are 

 characterized by a hooked 

 bill and nostrils united in 

 a double-barrelled tube. 

 ^ The CoDDiio/i Albatross is 



DiomecRa ex6lam, Wwaiermg Aibtdrom. j\. ^]^g largest Sea-bird hav- 

 ing an expanse of ten to fifteen feet. Reposing on the sur- 

 face of the water, with its 



head under its wing, it is 

 often found a thousand 

 miles from land. Once 

 elevated in the air, it sel- 

 dom flaps its wings, and 



innscle of tbe oyster and other bi- 

 valves which the scissors-bill finds 

 a little open on the beach. 



* In the swiftest swallow the ex- 

 pansion of wing is twice the length 

 of the body ; but in the scissors-biU 

 it is much greater, iriving corre- 

 sponding increase of power. 



Fig. 



Thalassidrmna 



Stormy Petrel. 



