Compendium der neu beschriebenen Gattungen und Arten. 453 



wing-coverts dark slate-color (many shades darker than tlie back); 

 greater coverts, secondaries and tertials plumbeous - gray (more 

 silveiy toward edge of wing), very distinctly edged with pure white; 

 three outer primaries and primary coverts slate-black; the inner 

 quills gradually more grayish, and narrowly bordered with white; 

 bill uniform deep black; tarsi, most of basal phalanx of inner toe, 

 and basal portion of webs, light browiiish (apparently flesh-colored 

 or lilaceous in life), rest of the feet dusky. Wing 10, 15; tail 4, 

 slightly graduated; culmen 1; depth of bill at base 6,40; tarsus 

 1,35; middle toe 1,40. 



Most nearly allied to Oe. defillipiana. Hab.: Alaska. 

 T'3. Cymochorea Markhami. 



0. Salvin, Proc. Z. S. London Pt. 3, p. 430. 



Omnino fuliginosa fere unicolor, capite toto paulo plumbescen- 

 tiore , tectricibus alarum dilutioribus , cauda profunde furcata ; 

 rostro et pedibus nigerrimis. Long, tota 9,0 ; alae 6,9 ; caudae rectr. 

 med. 2,6; rectr. lat 3,8; tarsi 1,0; dig. med. 1,1; rostri a rictu 1,0. 



Obs.: C. melaniae Bp. apud Coues, certe similis, sed capite 

 plumbescente, tarsis brevioribus forsan diversa. 



Hab.: Coast of Peru lat. 19» 40' S. long 75^ W. 

 -+-4. Diomedea irrorata. 



0. Salvin, Proc. Z. S. London Pt. 3, p. 430. 



Supra dorso medio et alis extus fuliginoso-fuscis, dorso antico 

 et uropygio albis, nigro transverse variegatis; capite et cervice 

 toto albis, hac supra flavo lavata; subtus abdomine toto griseo- 

 fusco, albo praecipue in pectore et crisso, minutissime irrorato ; alis 

 intus quoque albo et fusco variegatis; cauda fusca ad basin alba; 

 rostro flavido, mandibulae apice corneo, pedibus corylinis. Long, 

 tota 35,0 ; alae 20,5 ; caudae 5,5 ; rostri a rictu 6,2 ; tarsi 3,8 ; dig. 

 med. 5,1. 



Hab.: Callao Bay, Peru. 

 f-5. Puffinus Edwardsii. 

 >i-E. Oustalet, Ann. Sc. Nat. Zool. Tome 16, Art. 5. 



P. cinereo minor, P. Baroli major, capite, dorso et tectricibus 

 alarum ex griseo infuscatis; plumis dorsi fulvo lavatis et pallidis 

 marginibus ornatis ; tergo cauescente, cauda vix cuneata nigricante ; 

 gula, pectore medio et abdomine caudidis; pectoris lateribus fuscis; 

 hypochondriis nigricantibus ; rostro gracili obscuro, mandibula basin 

 versus rubescente, unco flavescente ; pedibus roseis. Long. tot. 0,440 ; 

 long, de l'aile 0,320; 1. de la queue 0,150; long, du bec 0,050; 

 hauteur du bec ä la base 0,012; au milieu 0,010; long, du tärse 0,043; 

 long, du doigt median 0,053 m. (sans l'ongle). 



Hab.: lies du Cap-vert. 



Fam. LARIDAE. 

 -+•-6. Larus Kumlieni. 



W. Brewster, Bull. Nutt. Orn. Club. Vol. 8, p. 216. 



Similis L. glaucescenii, sed minor; magis candidus; pennis 

 candidioribus; colore atro in remigibus angustiore ac magis distincto 



