STERNA CANTIACA : SANDWICH TERN. 357 



occurrence in Westerly, R, I., is noted in Orn. and 

 Ool., vi, 1881, p. 44. 



ROYAL TERN ; CAYENNE TERN. 



Sterna maxima Bodd. 



Chars. Scarcely less in linear dimensions than the Caspian Tern, 

 owing to greater length of tail, but much less bulky. Length, 

 18.00-20.00; wing, 14.00-15.00; tail, 6.00-8.00, deeply forked, 

 with narrow lateral feathers ; tarsus, about 1.25 ; middle toe, 

 1.25 or more ; bill, 2.50-2.75, 0.50-0.67 deep at base ; gonys, 

 about 1. 00 long. Bill orange ; feet black ; occiput lightly crested ; 

 cap black, but often, even in summer breeding birds, the black 

 chiefly restricted to the lengthened feathers of the hind head ; 

 mantle pale grayish-blue ; quills silvered-dusky with long white 

 stripe. 



This is only a straggler from the south, of casual 

 occurrence. Messrs. C. J. Maynard and Wm. Brewster 

 made captives of a male and female at Nantucket Island, 

 July I, 1874. "The female bore marks of having just 

 laid. Both specimens were in somewhat peculiar plu- 

 mage " (Am. Sports, v, Jan. i6, 1875, p. 249). While at 

 Penikese Island, I had brought to my notice a specimen 

 seen there about the same time. 



SANDWICH TERN. 

 Sterna cantiaca Gin. 



Chars. Bill black, tipped with yellow ; plumage as in the fore- 

 going, but mantle extremely pale. Length, 15.00-16.00; wing, 

 about 12.00; tail, 5.00-6.00; bill, 2.00-2.30, the yellow end from 



