214 A LIST OF THE BIRDS OF PEGU. 
on the breast varies much, in some being very pronounced, 
and in others obsolete. 
It is an extremely common species from Kyeikpadein up to 
Myitkyo, remaining from the beginning of October to the 
middle of May. Although fond of patches of grass, it is 
found more frequently in trees, bamboo hedges, and weeds. 
It has a hoarse croaking note which develops into something 
like a song in April and May. 
In orientalis, the second primary equals the fourth, and they 
fall short of the tip of the third, the longest by -04 to °08; 
sometimes the second is longer than the fourth by a trifle. 
In stentoreus, the second primary is equal to the fifth or 
thereabouts, and they fall short of the tip of the third, the 
longest, by ‘15 in typical examples. 
In size and plumage both species are so much alike that 
they cannot be discriminated by these alone. 
245.—Acrocephalus dumetorum, Bly. (516.) 
Rare, as compared with agricolus. Frequents paddy, and 
when this is cut, takes to long grass. I have procured it 
only near Kyeikpadein. 
246.—Acrocephalus agricolus, Jerd. (517.) 
Very abundant from Kyeikpadein up to Myitkyo in paddy 
and elephant grass. In marching up to Tounghoo this year 
I saw it on the banks of the Sittang once or twice, and I have 
no doubt it is common in most parts of the plains. Burmese 
ue are very rufous, strikingly more so than birds from 
ndia. 
247.—Acrocephalus bistrigiceps, Swink. (517 ter.) 
Apparently very common, but so difficult to get that six 
specimens in one season is good work. It arrives at the com- 
mencement of November, my first bird having been procured 
on the 5th of that month. On its arrival it takes to the 
paddy fields, and remains till the crops are cut, when it 
betakes itself to the thicker patches of grass. 1t moves about 
from stalk to stalk, searching for minute insects, and has a low 
note. I have never heard anything like a song proceeding 
from the bird. It remains in this country at least as late 
as the 15th April, on which day I shot a specimen. 
This bird undergoes no change of plumage during the five 
or six months it remains in Pegu. The sexes also are alike in 
plumage. 
A line from the nostril over the eye to the nape is pale 
yellowish buff; over this runs a broader streak of blackish 
