426 



THE DIVING BIRDS — PYGOPODES. 



distinct tufts about head in breodinj^-ithnuago ; neck bright rufous, sides of head ash-grny, 

 pileuni and nape glossy black. Hah. North America. 



2. C. grisegena.1 Wing, 6.45-7.00 inches (average, 6.63); culinen, 1.50-1.55 (1.53); depth 



of bill through base, .45-50 (.48); tarsus, 1.98-2.15 (2.06); outer toe, 2.30-2.40 (2.35). 

 Colors of G. Holboellii. Hah. Palajarctic Region. 



3. C. cristatus.2 Wing, 6.80-7.75 inches (average, 7.10); cuhuen, 1.75-2.30 (1.96); depth 



1 CoLYMBUS GRISEGENA, Bodd. Rcd-ncckcd Grebe. 



Colymhts griscgcna, Bodd. Tabl. P. E. 1783, 55 (ex PI. Eul. 404, fig. 1). 



Podiccps (jriscUjciia, Gkay, Genera B. III. 633. 



Cohjmhus 2Mrotis, SpauujM. Mus. Carls. 1786, pi. 9. — G.mel. S. N. I. ii. 1788, 592. 



Colymbus subcristaius, ixcQ,. Beitr. 1784, 37, pi. 18. 



Podiccps subscrislatus, Bechst. Tasclib. Vog. Deutschl. 1803, 351. 



Podiccps rubricollis, Lath. Ind. Orn. II. 1790, 783. 



Cohjmbus cucullatus ei nccvius, Pall. Zoog R.-A. II. 1826, 355, 356. 



Podiccps cnnocjularis, Bueiim, Vog. Deutschl. 1831, 958. 



Sp. CThar. Exactly like C. Holhodlii, but much smaller. Wing, 6.45-7.00 inches; culmen, 1.50- 



1.55 ; depth of bill through base, .45-50 ; tarsus, 1.98-2.15 ; outer toe, 2.30-2.40. 



Following is a description of an example of this species in the down : — Downy Young: Head and 



neck longitudinally striped with dusky and dull white, the dusky stripes widest (except underneath the 



head), and about six in number ; the crown is divided 

 medially by a narrow stripe of white, which, how- 

 ever, does not extend anteriorly to the white of the 

 forehead ; the dusky stripe, extending back from the 

 lower eyeliil, terminates just behind the ears, but that 

 extending from above the ej'e is continued down the 

 side of the neck, there bt;ing between this and its fel- 

 low of the opposite side three dusky stripes down the 

 back of the neck ; there is a broad but short rictal 

 streak, with three narrower streaks on the chin ; there 

 are also three dusky streaks on the throat — one on 

 each side, and one between. The plumage of the body 

 is dullgrayisli-fuliginous, lighter beneath, where fading 

 into dull grayish white on the abdomen. (No. 57307, 

 Europe.) 



From the corresponding stage of C. cristatus, this 

 may be distinguished most readily by the mucli darker 

 lower parts, the abdomen only being light colored, and 

 this dull grayi.sh white, while in the young of C. cris- 

 C. griscgcna. tatus the entire lower parts, except tlie sides, are nearly 



pure white. There are also some differences in the 



markings of the head and neck, the most obvious of which consist in the absence of streaks on the throat 



in C. cristatus. 



2 CoLVMBUs ciusTATUS. The Crested Grebe. 



Colyvibics cristatus, Linn. S. N. ed. 10, I. 1758, 135 ; ed. 12, I. 1766, 222. 



Podiccps cjistatus, LATir. Ind. Orn. II. 1790, 780. —Sw. & Rich. F. B. A. II. 1831, 410.— 



NuTT. Man. II. 1834, 250. — AUD. Oni. Biog. III. 1835, 598, pi. 292 ; Synop. 1839, 356 ; 



B. Am. VII. 1844, 308, pi. 479. — Lawr. in Baird's B. N. Am. 1858, 893. — Baird, Cat. 



N. Am. B. 1859, no. 703. — Coues, Key, 1872, 336 ; Check List, 1873, no. 609 ; Birds N. 



W. 1874, 729. 

 Colymbus urinator, Linn. S. N. ed. 12, I. 1766, 223. 

 Podicei)s australis, GoiJLD, P. Z. S. 1844, 135. 

 Podiccps Hcctori, Buller, Essay on New Zealand Orn. 1865, 19. 



Hab. Northern part of the Pala^arctic Region ; also, New Zealand and Australia. No valid North 

 American record! 



Si'. CiiAi:. Adult, breeding -plumage : Pileuni, including an elongated tuft on each side of the occiput, 

 and outer margin (broadly) of the frill, black ; lores, postocular region, malar region, chin, and upper part of 



