492 



LESTRIS RICHARDSONIT. RICILiRDSON'S SKUA. 



ARCTIC GULL. MAN-OF-WAR BIRD. BOATSWAIN. TEASER. DUNG-BIRD. 



DUNG-nUNTER. DIRTEN ALLEN. SCOUTE-ALLEN. ALLEN. SCULL. 



BADOCK. FASGADIR. 



Fig. 91. 



Stercoraire Richardson. Lestris Eichardsonii. Temm. Man. d'Ornith. 



III. 499. 

 Lestris Richardsonii. Richardson's Jagcr. Swains, and Richards. Fauna 



Bor. Anier. Tart II. 433. Young. 

 Richardson's Jagcr. Lestris Richardsonii. Audub. Amer. Omith. Riogr. 



III. 503. Yonng. 

 Arctic Gull. Mont. Ornith. Diet. Adult. 

 Black-toed Gull. Mont. Ornith. Diet. Young. 

 Arctic Skua. Cataractes parasiticus. Sclby, Illustr. II. 620. 

 Lestris Richardsonii. Richardson's Skua. Jenyns, Brit. Vert. Anim. 282. 

 Lestris Richardsonii. Bonap. Comp. List, 63. 



Bill an inch and a third in length, tarsus an inch and two- 

 thirds ; middle tail-feathers three inches longer than the rest, 

 broad, tapering moderately zintil near the end, when they 

 rapidly narroxo to a fine point ; feet hlach. Male in summer 

 ivith the tipper part of the head blackish-hroicn ; the nape and 

 upper sides of the neck yellowish-white ; all the upper parts 



