THE 
JOURNAL 
OF THE 
Natural History Society of Siam. 
Volume ITI. BANGKOK. Number 4. 
ON MAMMALS COLLECTED IN SIAM. 
BY C. BopEN K1toss, F.z.S. 
( With two plates. ) 
Geographical :—Description of districts visited. 
Systematic :— 
Preshytis argenteus, nov. 
P. cristata koratensis, subsp. nov. 
Macaca nemestrina indochinuesis, subsp. nov. 
M. trus atriceps, subsp. nov. 
Viverricula malaccensis thai, subsp. nov. 
Tupaia glis cambodiana, subsp. nov. 
T’. glis olivacea, subsp. nov. 
Tamiops macelellandi liantis, subsp. nov. 
Menetes berdmorei peninsularis, subsp. noy. 
Rattus rajah koratis, sabsp. nov. 
R. rajuh kramis, subsp. nov. 
Rattus rattus lanensis, subsp. nov. 
it. rattus kramensis, subsp. nov. 
R. rattus mesanis, subsp. nov. 
fh. rattus loratensis, subsp. nov. 
Bandicota siamensis. nov. 
Capricornis sumatraensis annectens, subsp. nov. 
Four squirrels in the present collection were also new :— 
Sciurus caniceps inexpectatus, mihi. 
S. atrodorsalis pranis, mihi. 
S. atrodorsalis tachin, mihi. 
S. jinlaysont trottert, mihi, 
They are described in full here, but the names and prelim- 
inary diagnoses were first published in the Journal of the Natural 
History Society of Siam, Vol. IT, p. 178 (Dee. 1916). 
