486 Recently published Ornithological Works. 



{Pteroptocho albifrons of Landbeck) is recognized witli some 

 doubt as a distinct species, as may possibly be the case. The 

 nomenclature and arrangement are those of our 'Nomen- 

 clator/ 



80. Carl on the Variations in the Skull of the Domestic 

 Pigeon. 



[Untersucliungen iiber cTen ScliadellDau domesticirter Tauben von L, 

 Carl. Separatabdi'uck aus dem Osterprogramm 1878 der llealscbule zu 

 Pirna.] 



An essay on the principal modifications found in the skull 

 of the different varieties of the House-Pigeon. About six- 

 teen races have been examined, the materials having been 

 mostly furnished by the Royal Zoological Museum of Dresden. 



81. Wlieeler's Annual Report upon the Geographical Surveys 

 west of the \QOth Meridian. 



[Annual Report upon the Geographical Surveys west of the 100th 

 Meridian, in California, Nevada, Utah, Colorado, Wyoming, New Mexico, 

 Arizona, and Montana. By George M. Wheeler. 8vo. Washington : 

 1876.] 



One of the appendices by Mr. H. W. Henshaw contains 

 an account of the birds met with in the southern parts of 

 California visited by the expedition. Seven hundred speci- 

 mens (referred to 127 species) were collected. Uria columba 

 and Fratercula cirrata were found breeding on the island of 

 Santa Cruz, in the Santa Barbara Channel, a more southern 

 locality than was previously known for them. 



82. Pavesi on the Occurrence of the Dartford Warbler in 

 Lombardy. 



[Sulla prima e recentissima coniparsa in Lombardia del Beccafico di 

 Provenza. Nota del S. C. prof. Pietro Pavesi. R. Inst. Lombardo d. Sci. 

 e Lettere, Dec. 1877. J 



Records the occurrence of an example of Melizophilus un- 

 dulatus in Lombardy for the first time in December 1877. 

 A list of forty-five species of birds which are occasional 

 visitors to Lombardy is added. 



