THE MAMMALS AT PRESENT KNOWN TO INHABIT SIAM. 151 
A slightly differentiated race found on the Island of Terntan. 
148, PETAURISTA PETAURISTA LYLEI Bonh. 
Petaurista Lyle’, Bonhote, P. Z. 8. 1900. p. 192. pl. XVIIT. (Doi 
Sutep, N, Siam).° 
Apparently the most common of the Large Flying Squirrels in- 
habiting Siam. Especially abundant in the North, where specimens 
have been obtained at Utaradit, north of Muang Prae, Pak Koh and 
Koon Tan, besides at the type locality. 
149, PETAURISTA PETAURISTA cIcuR Rob. & Kloss. 
Petaurista nitida cicur, Robinson & Kloss. Ann. & Mag, Nat, Hist. (8) 
XIII. 1914. p. 223. (Ban Kok Klap, Bandon, Peninsular Siam). 
Replaces the foregoing species in Peninsular and Southern 
Siam. Also recorded from Klong Wang Hip, Tung Song. 
150. PETAURISTA ANNAMENSIS BARRONI Kloss. 
Petaurista annamensis barroni, Kloss. Journ. Nat. Hist. Soe. Siam 
11. 1916. p. 35. (Hup Bon, 8. E. Siam). 
Hitherto recorded from South-eastern and Central Siam (Pu 
Khao Sammiin and the Nampat District in ths Monthon of Pit- 
sanulok). . 
151. ScrUROPTERUS ALBONIGER . Hodgs. 
Sciuropterus alboniger, Hodgson. Journ. Asiat. Soe. Bengal V. 1836. 
p. 231. (Nepal) 
Mentioned from ‘‘ Siam” and * Laos” by Flower and Pousarges, 
but as no recent specimens have been collected, its distribution is still 
uncertain. 
152. HYLOPETES PHAYREL LAOTUM (Thos.). 
Sciuropterus phayrei laotum, Thomas, Journ, Bombay Nat. Hist. Soe 
XXIIL. 1914 p. 28. (Lacs mountains and N. > iam). 
Apparently an inhabitant of. Northern Siam where specimens 
have been obtained at Nan. Bonhote records a specimen from Biserat 
in Jalor under the name of Sciwropterus phayrei (P. Z.S. 1900. p. 876, 
but whether it is this or an allied form is uncertain. 
153. HYLOPETES BELONE (Thos.). 
Sciuropterus belone, Thomas, Ann, & Mag. Nat. Hist. (8) 11. 19€8. 
p. 3u5. (Pulau Terntan), 
Hitherto enly obtained on Terutau Island. 
VOL. III, NO. IIT, 1919. 
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