CHECK LIST OF NORTH AMERICAN BIRDS. 129 



838. Pufrmus amaurosoma Coues. b — . c 603. r 715. 



Spectral Shearwater. 



839. Puffinns tenuirostris Temm. b — . c G04. R 7i6. 



Slender-billed ShearAvater. 



840. Colymbns torquatus Brunn. b gos. c. con. r 736. 



Great Nortliern Diver or Loon. 



841. Colymbus torqnatus adamsi (Gr.) Coues. b — . c eosa. r 737. 



Yellow-billed Loon. 



842. Colymbus arcticus L. b 699. c 606. R 738. 



Black-throated Diver, 



843. Colymbus arcticus pacificus (Lawr.) Coues. B 700. c 606a. R 739. 



Pacific Black-throated Diver. 



"844. Colymbus septentrionalis L. b 70i. c 607. R 740. 



Red-throated Diver. 



845. -<Echmophorus occidentalis (Lawr.) Coues. b 704. c 6O8. R 729. 



Western Orebe. 



846. -^chm.opliorus occidentalis clarki (Lawr.) Coues. b 705. ccosa. R730. 



Clark's Grebe. 



•847. Podicipes griseigena holbcelli (Reinh.) Coues. b 702. c 610. r 731. 

 American Red-necked Grebe. 



838. P. a-mau-ro s6'-ma. Gr. a./j.avp6s, dark, dim, dusky, and tnS^a, body. 



Note. — This is probably Proc. yrisea Gm., as held by Finsch and Salvia. 



839. P. ten-ij-i-ros'-tris. See Pn'occlla, No. 817. 



840. C6-lym'-bus tor-qua'-tus. The Latin colipnhts is simply a transliteration from the Greek, 



and has nothing to do, notwithstanding the great similarity, with the purely Latin 

 columba. a dove; the latter being not Greek at all, nor the former Latin, except as 

 directly transferred from the Greek. The two words are consequently not related, 

 unless it be in a radical manner; Corssen, however, considers them to be the same. Gr. 

 k6Kv/x0os or KoAvfi^is, a diver or swimmer; Ko\vfil3aa>, I dive, swim. The K6KvfxPts of 

 Aristotle was a species of grebe (Podicipes). — Lat. torqualus, see Asi/ndcsmus, No. 450. — 

 " Loon " is an old Scotch word. See No. 874. 



841. C. t. a'-dams-I. To Dr. C. B. Adams, of the British Navy. 



842. C. arc'-ti-cijs. See Sialia, No. 29. 



843. C. a. pa-ci'-fi-cias. See Anortkura, No. 77. 



844. C. sep-ten-tri-6-na'-lis. Lat. septcntrionnlis, northern ; septentriones, the north, northern 



regions ; scptcm-trio, the constellation of the Wain. See Parus, No. 45. 



845. Aech-mo'-phor-ils 6c-cid-en-ta'-lis. Gr. a/'x/"'?, 'I spear, and (^op({s, bearing ; in allusion 



to the long, slender, sharp bill. — For occidcritnlis, see Dendrccca, No. 110. — Grebe is a 

 French word, the meaning of which we do not know. 



846. A. o. clark'-i. To J. H. Clark. 



847. P6d-i'-ci-pes gris-6i'-g6n-a hol'-boel-li. The extraordinary word " podiccps " has 



excited much curiosity, and stimulated some ingenious surmises. As it stands, /W/'y/w 

 seems to be the Greek irovs, genitive ttoSSs, foot, and the Latin termination -ce/).s, denot- 

 ing head ; and "foot-head " it has doubtless been taken to be by many, who, if thinking 

 of it at all, have felt vaguelv that sonic allusion was intended to the bird's somersaulting 



