THE BIRDS OF THAILAND 15 



Pernis ptilorhyncus ruficoUis Lesson 



Pernis ruficoUis Lesson, Traite d'ornithologie, livr. 1, February 



1830, p. 77 ("patrie inconnue"; type locality restricted to 



Bengal State, India, apud Kirke Swann, A monograph of the 



birds of prey, pt. 13, 1936, p. 312). 



Range: A visitor from the North, reported on migration or in winter 



from the northern plateau (Chiang Mai) and the southwestern 



provinces (Kanchanaburi) . 



Pernis ptilorhyncus gurneyi Stresemann 



Pernis ptilorhynchus gurneyi Stresemann, [Zeitschrift fiir 

 wissenschaftliche Zoologie, Abt. B,] Archiv fiir Naturge- 

 schichte, neue folge, band 9, heft 2, Apr. 15, 1940, pp. 155 

 [in key], 168 (Lamaing, Mandalay District, Mandalay Division, 

 Burma) . 

 Range: Reported only from the northern and eastern plateaus. 



Pernis ptilorhyncus torquatus Lesson 



Pernis torquata Lesson, Traite d'ornithologie, livr. 1, February 



1830, p. 76 ("patrie inconnue"; type specimen from Sumatra, 



Jide Des Murs, Iconographie ornithologiqus, livr. 3, 1849, 



unpaged). 



Range: The peninsular provinces from Prachuap Khiri Khan to 



the extreme South. 



Genus MILVUS Lacepede 



MOvus migrans govinda Sykes 



Milvus Govinda Sykes, Proc. Comm. Sci Corr. Zool. Soc. London, 

 pt. 2, No. 18, July 31, 1832, p. 81 (The Deccan, India). 

 Range: The central plains as far south as Prachuap Khiri Khan 

 throughout the year and occasionally reported along the eastern coast 

 south to Songkhla. 



Milvus lineatus lineatus (J. E. Gray) 



Halixtus lineatus J. E. Gray, in Hardwicke, Illustrations of 

 Indian zoology, vol. 1, pt. 8, 1831, pi. 18 (China). 

 Range: A visitor from the North, reported on migration or in win- 

 ter from the northern plateau and the central plains as far south as 

 Prachuap Khiri Khan. 



Genus HALIASTUR Selby 



Haliastur indus indus (Boddaert) 



Falco Indus Boddaert, Table des planches enlumineez d'histoire 

 naturelle, 1783, p. 25 (Pondicherry, ex d'Aubenton, pi. 416, 

 and Buffon, vol. 1, p. 490). 



