INDEX 



701 



NanseN; Fridtjof. fChanges in 

 oceanic and atmospheric temper- 

 atures and their relation to 

 changes in the sun's activity. 

 135. 



Nelson, J. A. fA microcephalic 



drone bee. 376. 

 Notes, A. A. , The nitrogen problem 



in relation to the war. 381, t663. 

 Oberholser, H. C. *The birds of 



the Anamba Islands. 131. 



*Autumn water-bird records at 



Washington, D. C. [1916] 602. 



*Second annual list of pro- 

 posed changes in the A. O. U. 

 check-list of North American 

 birds. 96; third annual list. 608. 



*The birds of Bawean Island, 



Java Sea. 132. 



*Birds collected by Dr. \V. L. 



Abbott on various islands in the 

 Java Sea. 605. 



[Birds of the] Washington 



region. 134, 174, 407. 



*A cooperative bird census at 



Washington, D. C. 97. 



*Description of a new sub- 

 species of Perisoreus obscurus. 

 174. 



Diagnosis of a new genus of 



Anatidae from South America. 

 571. 



- Diagnosis of a new genus of 

 Timaliidae. 394. 



- *The Great Plains waterfowl 

 breeding grounds and their pro- 

 tection. 605. 



- *New light on the status of 

 Empidonax trailii (Audobon). 

 608. 



A remarkable martin roost in 

 the city of Washington. 175. 



The migration of North Amer- 

 ican birds, I. Five swallows. 

 207. 



- *Mutanda ornithologica, I. 

 134; II, 408; III, 604. 



Oberholser, H. C. *A new subspecies 

 of Geolhlypis beldingi. 175. 



*Notes on North A -nerican 



birds, II. 130; III, 176; IV, 607. 



*Notes on the subspecies of 



Numenius americanus Bechstein. 

 604. 



*A review of the subspecies of 



the Leach petrel, Oceanodroma 

 leucorhoa (Vieillot). 174. 



*A second bird survey at Wash- 

 ington, D. C. 603. 



Osborne, N. S. *Latent heat of 

 vaporization of ammonia. 202. 



*The latent heat of pressure 



variation of liquid ammonia. 201. 



fLatent and specific heats of 



ammonia. 103. 



*Specific heat of liquid am- 

 monia. 201. 



Paige, Sidney. fCoal and iron in the 

 terms of peace. 101. 



Fluorine in sericitization. 234. 



Palmer, T. S. *Costa's humming- 

 bird — its type locality, early his- 

 tory, and name. 602. 



• • tA key to ornithological liter- 



.ature. 26. 

 Pardee, J. T. *The Dunkleberg 



mining district, Granite County, 



Montana. 249. 



*Manganese at Butte, Montana. 



450. 



— — *Ore deposits of the north- 

 western part of the Garnet Range, 

 Montana. 290. 



Pearl, Raymond. Biology and war. 

 341, t663. 



Peters, C. G. fThe refractive index 

 and optical dispersion of air. 181. 



Peters, J. L. *The Porto Rican 

 grasshopper sparrow. 133. 



Peters, O. S. *Ground connections 

 for electrical systems. 576. 



Peters, W. J. fNotes on dip-of- 

 horizon measurements made on 

 the "Galilee" and "Carnegie." 

 505. 



