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Thoracic and Coracoid Arteries In Two Families of Birds, Columbidae and Hirundinidae   By:

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UNIVERSITY OF KANSAS PUBLICATIONS

MUSEUM OF NATURAL HISTORY

Volume 12, No. 13, pp. 553 573, 7 figs.

March, 2, 1964

Thoracic and Coracoid Arteries In Two Families of Birds, Columbidae and Hirundinidae

BY

MARION ANNE JENKINSON

UNIVERSITY OF KANSAS LAWRENCE 1964

UNIVERSITY OF KANSAS PUBLICATIONS, MUSEUM OF NATURAL HISTORY

Editors: E. Raymond Hall, Chairman, Henry S. Fitch, Theodore H. Eaton, Jr.

Volume 12, No. 13, pp. 553 573, 7 figs. Published March 2, 1964

UNIVERSITY OF KANSAS Lawrence, Kansas

PRINTED BY THE STATE PRINTER TOPEKA, KANSAS 1964

[Transcriber's Note: Words surrounded by tildes, like ~this~ signifies words in bold. Words surrounded by underscores, like this , signifies words in italics.]

Thoracic and Coracoid Arteries In Two Families of Birds, Columbidae and Hirundinidae

BY

MARION ANNE JENKINSON

CONTENTS

PAGE

INTRODUCTION 555

METHODS AND MATERIALS 556

MYOLOGY AND ANGIOLOGY: HIRUNDINIDAE 557 Myology 557 Angiology 558

MYOLOGY AND ANGIOLOGY: COLUMBIDAE 560 Myology 560 Angiology 560

SUMMARY OF ARTERIAL ARRANGEMENT 562

DISCUSSION AND CONCLUSIONS 562 Individual Variation 562 Intrafamilial Differences 563 Interfamilial Differences 565

SUMMARY 567

LITERATURE CITED 573

INTRODUCTION

Most descriptions of the circulatory system of birds, largely the work of Glenny, have dealt with arteries of the neck and thorax in a wide variety of species. As a result of his work, Glenny offered several hypotheses concerning the phylogenetic, hence taxonomic, significance of differences in some of these vessels. He also described six types of thoracic arterial arrangements and stated that these categories might represent various levels of evolution (Glenny, 1955:543 544).

The families Columbidae (pigeons) and Hirundinidae (swallows) have two nearly extreme arterial types described by Glenny, and are universally acknowledged as monophyletic. Differences within the families, therefore, can be considered as valid intrafamilial differences. I have investigated the thoracic and coracoid arteries and their branches in members of these two families to determine the degree of individual variability of the vessels, and the possible causes of interspecific and intrafamilial differences.

METHODS AND MATERIALS

All specimens studied are in The University of Kansas Museum of Natural History. They were preserved in alcohol and their blood vessels were not injected. Dissections were made with the aid of a binocular microscope at magnifications of 10× and 20×.

Following is a list of the species studied, the number of individuals of each species dissected, and the catalogue numbers of the specimens. The nomenclature and classification are those of the American Ornithologists' Union's Check List of North American Birds , fifth edition (1957).

Family Columbidae

Zenaidura macroura (Linnaeus), Mourning Dove 2: 40325, 40326. Zenaida asiatica (Linnaeus), White winged Dove 1: 40328. Scardafella inca (Lesson), Inca Dove 5: 34894, 34896, 34902, 34906, 34907. Columba livia Gmelin, Rock Dove (domestic pigeon) 1: 40321.

Family Hirundinidae

Iridoprocne bicolor (Vieillot), Tree Swallow 1: 38101. Progne subis (Linnaeus), Purple Martin 5: 37711, 38794, 38796, 38798, 38804. Stelgidopteryx ruficollis (Vieillot), Rough winged Swallow 1: 38277. Riparia riparia (Linnaeus), Bank Swallow 2: 38784, 38785... Continue reading book >>




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