CONTENTS OF NUMBER IV. 



Page 

 XXXIII. List of Birds observed and collected during a Voyage in the 

 Red Sea. By Dr. Theodor von Heuglin. Edited and 

 Translated by Dr. G. Hartlaub. (Plates X and XI.) 337 



XXXIV. Five Months' Bii-ds' -nesting in the Eastern Atlas. By 



OsBERTSALViN,B-A.,Corr. Memb. Zool. Soc. Partlll. 352 



XXXV. Observations on the Birds of St. Croix, "West Indies, 



made between February 20th and August 6th 1857 by 

 Alfred Newton, and between March 4th and Sep- 

 tember 28th 1858 by EnvirARD Newton. Part IV. 



(Plate XII.) 365 



XXXVI. On the occurrence of White's Thrush (Oreocinda aurea) 

 near Stratford-on-Avon, with remarks on the genera 

 Oreocinda, Tiirdus, and Mernla. By Robert F. Tomes, 



F.Z.S 379 



XXXVII. List of Birds of Prey received from Beyrout. By John 



Henry Gurney, M.P., F.Z.S 389 



XXXVIII. Descriptions of six new species of Birds. By Daniel G. 



Elliot, of New York. (Plate XIII.) 391 



XXXIX. On the Habits of the Black-winged Stilt, as observed on its 



occurrence in Sussex. By A. E. Knox 395 



XL. Note on the Breeding and Mode of Capture of the Short- 

 tailed Petrel, or Mutton Bird {Puffinus obscurus),\n the 

 islands in Bass's Straits. From the Journal of Robert 



Elwes 397 



XLI. Notes on some of the Humming Birds of Ecuador figured 

 in Mr. Gould's Monograph. By Dr. William Jame- 

 son, of Quito, and Louis Fraser, Corr. Memb. Zool. Soc. 399 

 XLII. Review of Herr Badeker's and Dr. Brewer's Oological 



Works 400 



XLIII. On the Ornithology of Northern Africa. Bv the Rev. 

 H. B. Tristram,' M. A., F.L.S. Part III. the Sahara 



{continued) 415 



XLIV. A List of the Tyrant Birds of Mexico, with descriptions of 

 new species. By Philip Lutley Sclater, M.A. 



(Plate XIV.) 436 



XLV. Note on Pel's Owl (Scotnpelia peli). By John Henry 



Gurney, M.P., F.Z.S. (Plate XV.) 445 



XLVI. Letter from Mr. Wallace concerning the Geographical 



Distribution of Birds 449 



XLVII. Recent Ornithological Publications 454 



XLVIII. Letters, Extracts from Correspondence, Notices, &c 461 



Index of Names of Authors 475 



Index of Scientific Names 479 



Title Page, Introduction, and Contents to Vol. I. 



+- 



' The Ibis ' is published in parts, at the beginning of each quarter, 

 forming an annual volume of about 400 pages, illustrated by twelve 

 coloured plates of birds and eggs. 



It is requested that all Communications for the Editor may be addressed, 

 post-paid, to the Care of Messrs. Triibner and Co., 60, Paternoster Row, 

 London, E.G. The annual subscription of .£1 : Is. should be paid to 

 Messrs. Triibner and Co. direct ; whereupon the subscriber, if resident 

 in the United Kingdom, will receive the numbers post-free on the day 

 subsequent to their publication. 



It is also requested that subscribers wishing to discontinue their subscriptions 

 will give notice thereof to Messrs. Triibner before the 1st of January next. 



