CHECK LIST OF NORTH AMERICAN BIRDS. 129 



838. Puffimis amanrosoma Coues. B . c 603. R 715. 



Spectral Shearwater. 



839. Puffinus tenuirostris Temm. B . C 604. R 716. 



Slender-billed Shearwater. 



840. Colymbns torquatus Briinn. B 698. C. 605. R 736. 



Great Northern Diver or Loon. 



841. Colyrnbns torquatTis adamsi (Gr.) Coues. B . c 605a. 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 701. c 607. R 740. 



Red-throated Diver. 



845. JEchmophorus occidentalis (Lawr.) Coues. B 704. c 608. R 729. 



Western Grebe. 



846. ^Eciimophoms occidentalis clarki (Lawr.) Coues. B705. ceosa. R730. 



Clark's Grebe. 



847. Podicipes griseigena holbcelli (Reinh.) Coues. B 702. c 6io. R 731. 



American Red-necked Grebe. 



838. P. a-mau-rS s5'-ma. Gr. a^avpos, dark, dim, dusky, and creD/to, body. 



NOTE. This is probably Proc. grisea Gm., as held by Finsch and Salvin. 



839. P. ten-ti-l-ros'-tris. See Priocella, No. 817. 



840. C6-lym'-bus tor-qua'-tus. The Latin colymbus 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. 

 K6\vfji0os or /eoAu/ijSis, a diver or swimmer; KoXv^dw, I dive, swim. The K6\v/j.fits of 

 Aristotle was a species of grebe (Podicipes). Lat. torquatus, see Asyndesmus, No. 456. 

 " 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-cus. See Sialia, No. 29. 



843. C. a. pa-cl'-fi-cus. See Anorthura, No. 77. 



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



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



845. Aech-m5'-ph5r-us oc-cld-en-ta'-lis. Gr. alx^, a spear, and <f>opos, bearing; in allusion 



to the long, slender, sharp bill. For occidentalis, see Dendrceca, No. 113. Grebe is a' 

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



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



847. Pdd-I'-ci-pes gris-6I'-ggn-a h81'-boei-ll. The extraordinary word "podiceps" has 



excited much curiosity, and stimulated some ingenious surmises. As it stands, podiceps^ 

 seems to be the Greek irovs, genitive TroS^s, foot, and the Latin termination -ceps, denot- 

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

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



