THE MAMMALS AT PRESENT KNOWN TO INHABIT SIAM. 131 
19, MAcaca SIAMICA Kloss. 
Macaca siamica, Kloss. Journ. N. H. S. Siam. If, EOYa, pe 247; 
( Me Ping rapids below Chiengmai, Northern Siam. ) 
Northern Siam and Laos. 
20. MACACA ARCTOIDES RUFESCENS Anders, 
Mucucus rufescens, Anderson. P, Z 8. 1872, p. 204. (Singapore ?) 
Recorded from Laos and Ratburi, and from Patelung, Peninsular 
Siam. 
21. MACACA ARCTOIDES HARMANDI Trouegs, 
Macacus harmandi, Trouessart. Le Naturaliste, 1897, p. 10. (Moun- 
tains between Siam and Cambodia.) 
The distribution of this form is still uncertain, but it may prob- 
ably be found in South-eastern Siam. 
22. Macaca irus Cuy. 
Muacacus trus, Fy, Cuv. Mém. Mus. Hist. Nat. Paris, IV, 1818. 
p. 120. 
Lhe Crab-eating Monkey is wid®ly distributed in Siam, and 
specimens have been recorded from Bangkok and the Chao Phya river 
(Central Siam), Keh Lak, Pak Klong Pran, Pak Nam Chumporn 
and Ratburi (8. W. Siam.), Sakerat ( E. Siam. ), Singora, Patani, 
Nawngchik and Jering ( Peninsular Siam) and from the Islands of 
KKoh Kut, Koh Chang, Koh Samui and Koh Pennan, all situated in 
the Gulf of Siam. 
23. MACACA CaAPITALIS (Elliot). 
Pithecus capitalis, Elliot. Prov."U. S. Nat. Mus. XXXVIILL, 1910, 
p. 850. ( Trang, Peninsular Siam ), 
This form is as yet only known from the type locality. 
ORDER PROSIMIAL, 
24, NycTIcEBUS coucaNG (Bodd.). 
Purdigradus, coucang, Boddaert. Elench. Anim. 1784, pe. Gf. 
( ** Bengal,” ) 
Inhabits Northern Siam and Laos. 
¢ 
4 i 
25. NYCTICEBUS CINEREUS M. Edw. 
Nycticebus cinereus, M. Edw. Ann, Mus, Hist. Nat. Paris. VU, 
1867, p. 16%. ( Siam. ). ; 
VOL. III, NO. If, 1919. 
