62 GYLDENSTOLPE, BIRDS COLLECTED BY THE SWEDISH ZOOLOGICAL EXPEDITION TO SIAM. 



The species found in Siarn is the typical Ninox scutulata Raffles., which in- 

 habits India extending in the south-east to Java and Borneo. 



J" 171 1912 Sakerat. 



J' 72 1912 Dcu Cluii. 



c^ 17a 1912 Vaiig Nuu. 



Length = 300 mm. 



Length = 290 mm. 



Length = 300 mm 



Wing = 205 » 



Wing =214 >^ 



Wing = 209 » 



Tail = 131 * 



Tail = 145 » 



Tail =125 » 



Fam. Pandioiiidae. 



134. Pandion haliaétus L. — Ospreys were observed a few times circling över 

 the great swamps round Tha Law and once at the Menam Chao Phaya river south 

 of Bangkok, 



Fam. Viilturiilae. 



135. OtOgyps calvus Scop. — The Black Viilture was not uncommon among 

 the great flocks of vultures seen round the towns, though not so common as 

 neither of the two species mentioned below. 



136. Gyps tenuirostris Hodgs. — The most common vulture in Siam. 



137. Pseudogyps bengalensis L. — Mixed up in the flocks of the other two 

 species of vultures and sometimes seen in single specimens here and there över the 

 whole country. 



Fam. Falcoiiidje. 



138. Spilornis cheela rutherfordi Humb. — This Serpent-Eagle occurs över 

 the whole country witli the exception of the evergreen forest belts, but always in 

 limited numbers. 



I liave referred the Siamese Serpent-Eagles to the above-mentioned subspecies, 

 which inhabits Assam and Burma and winters in Hainan, because the specimen 

 obtained has the bars 011 the breast very indistinct among other things which are 

 characteristics to this variety. 



A specimen (c^) shot near the Meh Yome river has a wing measure of 412 mm. 



139. Butastur liventer Temm. — A single pair of the Rufous-winged Buzzard- 

 Eagle was observed near the small village of Sakerat in Eastern Siam. The birds 

 were probably breeding because I noticed them several days in the vincinity 

 of an open place in the forest but a very careful search failed to reveal the nest. 

 On the 6th of January I at last succeeded in shooting the male and it had its genital 



