CONTENTS. XXX1U 



Page 



76. Picchi on Heterochroism 489 



77. Poche on Moehring's ' Avium Genera' 489 



78. Richmond on the Birds descrihed in Vroeg's 



Catalogue 490 



7'.'. Ridgway on new Tropical-American Birds . . .491 



80. Ridgway on the Birds of North and Middle America . 491 



81. Rules of Zoological Nomenclature 193 



82. Schalow on Arctic Birds 494 



83. Seabra on Birds from Angola 495 



84. Shelley's 'Birds of Africa' 496 



85. Sherborn on the Birds of Vroeg's Catalogue . . . 496 

 S6. Shufeldt on Classification 497 



87. Stone on Birds from Mount Sanhedrin, California . 497 



88. Van Oorl on the Osteology of the Tail in Birds . . 498 



XXXII. Obituary:— 



Edward Cavendish Taylor and Lieut. -Col. Leonard Howard 

 Loyd Irby 498 



XXXIII. Notes and Extracts:— 



Capt. Boyd Alexander's Expedition ; Mr. Bates's return to 

 Camaroon ; The Museum of the Academy of Natural Sciences of 

 Philadelphia; Can Birds smell'?; The Systematic Position of 

 the Eurylcemidce ; Birds of the Tibetan Expedition ; The Fourth 

 International Ornithological Congress ; Retrospective Priority 

 in Nomenclature 506 



Number XX., October. 



XXXIV. On a Collection of Birds from Somaliland. By 

 Harry F. Wttherby. With Field-notes by the Collector, 

 Captain A. E. Hamerton, R.A.M.O, D.S.O. (Plate X.) . . 509 



XXXV. On some rare or unfigured Eggs of Palaearctic Birds. 



By H. E. Dresser, F.Z.S., M.B.O.U.. &c. (Plate XI.) . . . -525 



BER. VI II. — VOL. V. d 



