Contents 



Foreword by Dr. P. J. Darlington, Jr 7 



Author's preface 12 



Introduction 13 



CHAPTER I 



List of land and freshwater animal species common to Europe 

 and North America 



Introduction 15 



Mammals, p. 17 - Birds, p. 21 - Fishes, p. 38 - Coleoptera, p. 40 - Lepidoptera, 

 p. 66 - Diptera, p. 82 - Hymenoptera, p. 84 - Odonata, p. 91 - Orthoptera 

 Saltatoria, p. 92 - Araneae, p. 93 - Chilopoda, p. 108 - Diplopoda, p. no - 

 Isopoda Terrestria, p. 112 - Mollusca, p. \i^- Lumbricidae, p. 123 ... 17 



Summary 125 



Bibliography 126 



CHAPTER II 



The human transport of animals across the North Atlantic 



The five criteria of an introduced species 135 



Westward transport. From where did they come? 143 



The fauna of Newfoundland as an illustration 145 



The European species, p. 145 - The Newfoundland trade. Historical review, 

 p. 154 - The ballast traffic, p. 157. 



Application to other parts of North America 168 



Nova Scotia, p. 168 - Prince Edward Island, p. 169 - New Brunswick, p. 169 

 - New England, p. 169 - The Pacific Northwest, p. 170. 



Investigations on ballast-places in Southwestern England 172 



Account of collecting, p. 173 - List of animals collected, p. 186 - Carabid 

 beetles, p. 192 -Plants, p. 196 -The selection of animal species which man- 

 aged to cross the Atlantic, p. 198. 



