258 Recent Literature. [April 



(p. 27), Mt. Leganisho, B. E. A., also Halycon leucocephala ogilviei subsp. 

 nov. (p. 28), So. Angoniland, Nyasaland and H. senegalensis superflua, 

 subsp. nov. (p. 28), Limpopo R., Transvaal. 



Bulletin of the British Ornithologists' Club. No. CCII. 



Messrs. Rothschild and Hartert describe Dicceum geelvinkianum rosseli 

 (p. 32), Rossel Island, Louisiade Group. 



Dr. Hartert describes Callisitta azurea expectata (p. 34), Pahang, Malay- 

 Peninsula, Mr. Ogilvie-Grant, Collocalia hirundinacea excelsa (p. 34), 

 C. esculenta maxima (p. 35), and C. nitens (p. 35), all from the Utakwa River, 

 Snow Mts. of New Guinea. 



Bulletin of the British Ornithologists' Club. No. CCIII. 



Hon. Walter Rothschild discusses the nomenclature and relationship 

 of the " Masked Gannets." He concludes that the name Sula dactylatra 

 should be used instead of S. cyanops and recognizes five subspecies of 

 which S. d. californica (p. 43) is described as new from San Benedicto 

 Island, the form ranging along the Calif ornian and Central American coasts. 



Mr. W. L. Sclater points out that the type of the genus Sula is Sula sula 

 Brisson — S. leucogastra Bodd. He also contributes some short biographi- 

 cal notices of Bonaparte, Gould, Strickland and Jardine. 



Mr. D. A. Bannerman describes Poliolais alexanderi (p. 53) from 

 Cameroon and Zosterops stenocricota poensis (p. 54), Fernando, Po. 



Mr. Claude H. B. Grant proposes Centropus superciliosus loanda? (p. 54) 

 Dalla Tando, Angola; C. s. sokotrce, (p. 55), Sokotra; and Melittophagus 

 variegatus bangweoloensis (p. 55) Lake Bangweolo, N. E. Rhodesia. 



Bulletin of the British Ornithologists' Club. Vol. XXXIV. 



This volume of 344 pages consists of the Migration Report for the spring 

 of 1913 and autumn of 1912. It follows the plan of the preceding reports 

 and contains an enormous amount of detailed information. Reports were 

 received from 327 observers and light keepers. The Committee which 

 tabulated the data recognize several distinct immigrations across the 

 channel from France. In the case of the Cuckoo these occurred April 

 14-16, April 19-24 and April 27-May 1. 



British Birds. Vol. VIII, No. 7. December 1, 1914. 



Feeding-habits of the Sparrow Hawk. By W. Farron. 



The ' British Birds ' Marking Scheme. Progress for 1914 and Some 

 Results. By H. F. Witherby. — A most interesting report. 



British Birds. Vol. VIII, No. 8. January 1, 1915. 



Notes on the Breeding-Habits of the Curlew Sandpiper. By Maud D. 

 Haviland. — At the mouth of the Yenesei River. 



A Practical Study of Bird Ecology. By H. G. Alexander. 



British Birds. Vol., VIII, No. 9. February 1, 1915. 



Notes on the Breeding-Habits of the Little Stint. By Maud D. Havi- 

 land. — At Golchika, mouth of the Yenesei. 



Report on the Results of Ringing Black-Headed Gulls. By H. W. 

 Robinson.— During the years 1909-1913, 11,769 of these Gulls were banded 

 in the nest. Of these 414 have been recovered. 



