File:The structure and classification of birds (1898) (14746468421).jpg

Identifier: structureclassif00bedd (find matches)
Title: The structure and classification of birds
Year: 1898 (1890s)
Authors: Beddard, Frank E. (Frank Evers), 1858-1925
Subjects: Birds -- Anatomy Birds
Publisher: London New York (etc.) Longmans, Green, and co.
Contributing Library: MBLWHOI Library
Digitizing Sponsor: MBLWHOI Library

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Text Appearing Before Image:
ines agree ab-solutely with those of Plialctcro-corax and Plot us, but the interor-bital septum is not so completelyvacuolate. It rises up, mure-over, in front, as in Pelcconnx,and a faint crest from the pala-tines ascends into the vacuity.The lacrymal is, however,different ; the orbital part is-small, but the descending bar is large and joins the jugal;the ectethmoids appear to be deficient as bony structures. 1 J. A. JEFFRIES, The Osteology of the Cormorant, Science, ii. p. 739, iii.pp. 59, 274 ; GILL, Osteology of the Cormorant, ibid. iii. p. 404 : SHUFELDT, Remarks upon the Osteology of Ph. bicrisidtii*, ibuL ii. p. 640, and Osteologyof the Cormorant, ibid. iii. p. 143; DOLLO, Bull. Mus. Roy. BcUj. iii. 18S4, p.130. This bone (xiphoid, YAKEELL; nuchal, MARSH ; intranuchal, DOLLO) hasbeen wrongly compared with the post-occipitals of dinosaurs. It is merely asesamoid. LUCAS, Description of some Bones of Pallass Cormorant (Ph.pers2>icillaiuis), 1. U. S. Nat. Mus. xii. 1889, p. 88.
Text Appearing After Image:
FIG. lV-2.—SKULL(AFTER. BEPI>AI:I>!AS IN FIG. 191. OF PhaetonLETTERING 412 STRUCTURE AND CLASSIFICATION OF BIRDS The lacrymal, as in Pelecanusand. Fregata, is deeply notchedlaterally. MIVAET, from his investigations into the axial skeletonof this group,1 set aside Phaeton and Fregata by reason oftheir possessing twelve or thirteen cervical vertebrae andthe doubly notched (on each side) sternum of Phaeton,besides a number of other points. There are seventeen cervical vertebra- in Pelecanus,eighteen in Sula, twenty in Phalacrocorax. The atlas vertebra is notched for the reception of theodontoid process in Pelecanus, perforated in Sula and Plotus ;in Phalacrocorax the conditions are intermediate, a perfora-tion being only just closed above. The Steganopodes have catapophyses upon some of thecervical vertebrae which enclose a canal ; in Pelecanus thisis found on vertebra? 8-15. In Sula the canal may com-mence on the same vertebra, but more usually on the ninth,extending to the thi

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