G76 Recenfl// jndjUshed Ornithological IVorks. 



is given in tliis part^ as the plate was drawn some time ago, 

 Pagodroma nivea is also included, tliougli not Australian, 

 in order to separate a larger form from Cape Adare as 

 P. coiifasa, sp. n. 



The genus Prion is subdivided into Prion, Pseudopi'ion of 

 Coues, and Heteroprion, gen.nov., as the bill is much bi'oader 

 in some species than others (see woodcuts). The difference 

 of the bill iu Pe/ecnnoides and " Fu^nuria" of Lesson is 

 also sl'.own by a figure. 



Other new species or subspecies proposed are Macronectes 

 (/iganteus solanderi (Falkland Is.), M. g. halli (Kergueleu 

 Is.), M. g. ivilsoni (Ross Sea), AI. g. forsteri (Valparaiso), 

 Prion viitatus macgillivrayi (St. Paul's, Indian Ocean), 

 P. V. keijteli (Tristan da Cunha), P. v. salvini (Crozets), 

 P. V. missus (West Australia), P. v. goiddi (Australia), 

 Pscudoprion turtur cutoni (Kergueleu I.), P. t. solanderi 

 (west coast of S. Amei'ica), P. t. huttoni (Chatham Is.), 

 P. t. crassiros/ris (Bount}' I.), Heteroprion beJcheri (Victoria), 

 H. desolutus matiingteyi (E. Australia), H. d. peringiieyi 

 (Cape Seas), H. d. macquariensis (Macquarie I.), H. d. alter 

 (Auckhmd Is.); while Macronectes (Ossifraga) giganteus 

 alius (New Zealand) of Potts is accepted. 



102. Ridgwaij on the Birds of North and Middle America. 



[The Birds of Xorth and Middle America. By liobert Ridgway. 

 Part V. Wasliingtoii, 1911.] 



In January 1908 we noticed the issue of the fourth part of 

 INIr. Ridgway's important work *, and now we have the fifth 

 part before ns, its earlitr publication having been somewhat 

 delayed by his visit to Costa Rica and, we regret to say, by 

 ' occasional periods of illness.' 



The present volume contains j\Ir. Ridgway's account of 

 the Tracheophouine Mesomyodians of North and Middle 

 America met with within his limits, and embraces representa- 

 tives of the four families, Pteroptochidce, Formicariidae, 

 Furnariidse, and Dendrocolaptidse. It also contains the 



* See 'Ibis," 1908, p. 190. 



