No. 1626. MAMMALS FROM HASTERN SUMATRA—LYON. 649 
Measurements of rats from eastern Sumatra. 
3 3 q He} o He 
S| (fs fe ee 
is) 5 rs| >, | os 
o) 3 oO = girs 
| es Nom Pg. 2) leslce ee ine 
Name: Locality: ° Sex and age. “4 = 
¥ ber: 8 a © E o Bl 6 ® E Ss 
mo & Resco slits Oo | ep2 fa 5 
So) eS 1s g Pe a 
Fe) eh ise) te Slee 
mm.| mm.| mm.) mm.\ mm. | mm. 
ING FERATIGIOS oo ol) ES) ERP Booscccceebad 143442 | Female, adult...... 207-| 310 | 46 | 50 22 9.5 
DO re saeine |nete ce GOs eee eer 143443 |...-.- COS Sate See rs 205 | 310 | 46 | 50.9 | 21.9 | 10 
DOR Paste GORE 2 so ese ee 6143444 |..... COS AN Ss Aon eee 210 | 310 45 | 49 MP ak |) @. 
DOES ses iealncsis GOS ses te seenae ae 143445 |...-- GOR ea See os muda YN |) BiB |] 4 loscontloncoes 9.8 
ID) One oe | areas GO en eee (lad 44Gn | fence GOP sce eee oer 227 | 345 48 | 52.3 | 23.4) 9.9 
WMISOUUGTUS ae UlOP Up at aseeene sce c143447 | Male, adult......... 234 | 265 | 48 | 50.6 | 25 8.5 
ID) OS Neiss Aserct GORE ee ree cate 143448 | Female, adult...... 225 | 245 | 46) 51.2 | 23.9 9.2 
DD) OF acetates Pulo Padang......... 143449 | Female, young adult} 226 | 233 | 42 | 48 23 8 
DOseaseslesace GOkS eae eee ee 143452 | Male adult.-......-- 234 | 221) 45] 49.4 | 243) 8.6 
1D) OF Bea ae | Soca Oa soles Seno OBA | ANCliiss Gate aeqeees ease loaaod boos 48.4 | 23.7 | 8.2 
1D) O82 Barer CO seee eee ee ABV) || ea HIRO 5 sccoooacllococallacoodleoaec 41.8 | 20 8 
DOs Se cewen Kateman River...... 123129 | Male, adult......... PAID} || PB || 4B || GO, & || PRB | © 
D Over cies eet ee COR ce ee aie NFRD |isoses COSae Gas ee ROL || BAS |) 22) 40 Nec ssoe 8 
1D) OR apf ee | eee CORE Sides aire 123131 | Female, adult .....- 203 | 230 | 42 | 48 23 Goll 
M. firmus....- Siak River..........- 144223 | Male, adult....._... 250 | 278 | 50 | 55.3 |} 26.4 | 10 
M. ephippium.|...-. GOSAE ates ese 144233: | Male, old--..--.---. 143 || 1B || PO |) Sil, |) ws 5. al 
M. ‘‘ratius’’ ..| Sungei Mandau..-....| 144228 | Female, adult....-- 165 | 166 | 33 | 41.5 | 20 6.5 
ID Oe Scouaas| Seaee GONE Sn eee 144229 | Male, old.........-. 188 | 171 | 87 | 42.8} 21.2 | 6:8 
ID®Dsococ mool| BVEN RINKSts dasacnaose [4423 1G iehemalewolde sees 17H lledooe 35 | 42.3 | 19.7 | 6.4 
sD) Osea wae |e COS gee 144232 | Female, adult. .--.- LZ 183 30 | 41 18.6 6.1 
“ Collector’s measurements. > Skull only. e Type. 
ACANTHION LONGICAUDUM (Marsden.) 
1810. Hystrizx longicauda Marspren, History of Sumatra, 3d ed., p. 118, 
1811, name only without description, and pl. x11 n. |. with legend: 
“The Landak, Hystrix longicauda, Published by W. Marsden 1810.” 
1889. Acanthion miilleri, JENTINK, Notes Leyden Museum, XI, p. 28. 
1905. Hystriax longicauda, SCHNEIDER, Zool, Jahrb. Syst., XXIII, p. 1138. 
1907. Acanthion longicaudum, Lyon, Proc. U. 8S. Nat. Mus., XXXII, p. 580, 
June 29, 1907. 
Skin and skull of a half grown individual, from Aru Bay. 
For measurements see table, page 650. 
THECURUS SUMATRE Lyon. 
1907. Thecurus sumatre Lyon, Proc. U. S. Nat. Mus., XXXII, p. 583, June 
29, 1907. 
Twelve specimens from the vicinity of Aru Bay and four from the 
Siak region. | 
For list of specimens and measurements see table, page 650. 
TRICHYS MACROTIS Miller. 
1903. Trichys macrotis MitiER, Proc. U. S. Nat. Mus., XXVI, p. 469, Feb- 
ruary 3, 1903. 
1905. Trichys fasciculata, SCHNEIDER, Zool. Jahrb. Syst., XXIII, p. 114. 
1907. Trichys macrotis, Livon, Proc. U. S. Nat. Mus., XXXII, p. 591, June 
29, 1907. 
Two specimens from Aru Bay and three from the Siak region. 
They are identical in every way with specimens from Tapanuli Bay, 
the type-locality. Two of the specimens lack tails entirely. 
For measurements see table, page 650. 
