490 



THE DIVING BIRDS — PYCJOPODES. 



2. C. grylle. Greater wiiig-covcrts with iit least their basal liall" black, this often showing 

 as a narrow bar buyoiul tips of anterior row of coverts. About tlie same dimensions ns 

 Miln(^Hi,^)l\t bill larger and stouter. Culnien, 1.20-1.30: goiiys, .;V)-.(iO ; depth of bill 

 tiirouj,'ii middle of nostril, .■10-.45. JIab. Coasts of Northern Euroi)e, .-^outh to Denmark 

 a'ld northern ])arls of liriti.sh Islands ; coast of Newfoundland (!); Eastport, Me. ; south 

 in winter to Philadidiihia. 

 b. Linini; of winj,' smoky },'ray. 



;}. C. columba. Greater \viii;,'-coverts black ba.-ially, this increasing in extent toward edge 

 of wing, where occupying almost the whole of tiie outermost feather, thus producing a 

 broad black "wedge '' between the twt) white areas. Wing, about 7.(K) inches ; culmen, 

 1.20 ; gonys, . ; depth of bill, . ; tai-sus, 1.2") ; middle toe, with claw, l.!M). J/ub. 

 Pacific coast of North America, from California lo the Aleutian Islands, and across to 

 Kamtschatka and Northern Japan. 

 B. No wiiite on outer surface of wing. 



4. C. carbo. A whitish jiatch surrounding the eye. Wing, about 7.".') inches ; culmen, 



1.5.5-1.70 ; gonys, .75-80 ; depth of bill tl.mugh nostril, .50 ; tarsus, about, l,:5(i ; niiil- 

 dle toe, with claw, -2. UK Hub. Coasts of Northeastern Asia, from Northi'rn .lajian and 

 Kuriles to the Okot.-ik Sea; Uehring Island, Kamtschatka, accidentaU (Stk.ixkhkb); 

 Uuala.slika (( (P.M,i..\s). 



5. C. Motzfeldi. No wiiite on side of head. I'ulmen, 1 inch !) lines ; commissure, 2 inches 



:? lines ; bill from nostril, 1 inch ; tarsu.s, 1 inch ti lines. JJab. High North Atlantic 

 (west side of Cumberland Gulf, Greenland, an<l Iceland). 



Cepphus Mandtii. 



MANDT'S OXriLIEMOT. 



Cohjmhmgritlle, rriiiTs, Voy. X. \\ 1774, 18(3 (not of Linn.). 



Uria iirijlh; Cass, in lUinl's H. N. .\in. IS.'tS, !)11 ; Phil. Acad. 1SC.2, 32:?. — IVvinn, Cat. X. Am. 



I!. 18,")!>, no. 72(i. —Xklson, Ciuiso Corwin, 1883, 117. — Coii;.s, Key, 1S72, 345 (part) ; Clicck 



last, 1873, no. ti:il ; 2il cd. 1SS2, no. 871. — ItiDGW. Xoiii. X. Am. li. 1881, no. 7(50. 

 Ct-i>jiliiis ij<-iil/i\ Xr.wroN, P. Z. S. IStil, iVii. 

 (iriji/r .wipiihiris, Lkauii, Uoss's Voy. X. \V. Pass. App, ISlit, p. li, in Tlioms. Ann. Pliilos. XIII. 



1819, 00 (part). 

 I'ria scitpiilaris, Sir.ni. Ocn. Zool. XII. 1821, 250, (il. C4. 

 Uria MiviiUii, Licnx. in Mamlt's Obs. Itin. Dissert. 1822, 30; Vkp.z. Doubl. 1823, 88. — K.\nr,i!, 



Isis, 1824, DSO. — Kkys. i Hl.vs. Will.. Kur. I. 1840, p. xcii. — X.um. Xat. IVnt.seh. XII. 



1814, 4(i2. 

 Cfpithii.i Mandlii, Newto.v, Ibis, 1865, p. 517. — Sri;.iN. Tr. P. .S. Xat. Jhi.s. 1884. 

 I'liiKjriiHe Miiiul/ii,Sim\.VM. Kev. Crit. 1844, p. cvii. 

 Urid i/fiifidlix, Hkkiim, Lchrb. Viig. Eur. 1824, it24, 1008. 

 I'ria Mcisiuri, Huku.m, t. c. lOOti. 

 UriJi iji-i/Ui; Viir. yhiciolin, Scndkv. Voy. Scaiul. Atl. 1847, Livr. IV. pi. 



Hah. Circunqiolar Regions ; on the western coasts of the Atlantic, breeding south to Hudson's 

 Day and coa.-<t of Labrador, and in winter migrating as far as the coast of New Jei-sey ; in AVestern 

 Arctic America passing througii Behring's Straits in winter as far as Norton Sound. 



Si*. Chah. Adult, in sumiwr : Uniform black (more sooty below), showing a faint gloss of 

 "invisible" green in certain liglits. Wings with a lai-ge unbroken patch of white, including the 

 greater, middle, and posterior les.ser coverts, tlusf fcathir-i nil vliite to the bane. A.xillars, entire 

 lining of the wing, and basal half (or more) of inner webs of the jirimaries, inibrokcn puiv white. 

 Bill deep black ; interior of mouth, with legs and feet, deep vermilion-red ; claws black ; iris dark 

 brown. U'iiitir pliimige: Wings and tail as in the summer plumage; rest of the iiluinago juiro 

 white, the pileum, back, scapulars, and upper jiart of lump varied with black, the wiiole of the 

 concealed, and part of the e.xposed, portion of the feathei-s k-ing of tiie latter color. Feet dull red. 

 Young, Jimt iiluiiuKje: Similar to the winter plumage, but white wing-patch broken by blackish 

 tips to all the feathers (their b;ises still white, however), tlie secondaries and primary coverts with 



