PROCEEDINGS OF THE NATIONAL MUSEUM. 
a Collector’s mea surements. 
6 Skull only. 
648 VOL. XXXIV. 
Measurements of Mus mandus and Mus asper from eastern Sumatra. 
. 3 ha} 
Be Sele hay lel 
rs) BE las® e.| 6 Sa 
Name. Locality. Now Sex and age. 7 2 iS 2 me & se 
& = wn sS AGS 
8 o oO o g 8 Net 
gi is ie [fel 
S | |e | 2 bo | 8 
Ria |e oO N |= 
Mus mandus..| Pulo Rupat......---- 143468 | Male, old..........- 151 | 115) 33 | 36.4) 16.3) 6.1 
IDOE SE ssossleocos CLOSE ser oa soe 143469 | Male, adult......... 145 | 126 | 35 | 34.6 | 16 6.1 
DOs EA een eee ORE EE a 1434700 | Seer GOSS ee 138 | 112 | 33 | 34 15.5 | 5.8 
1 DOR eee eels aaa Oni Sey ae W4BYAL oocce Oe Fee ee 140 | 119 34 | 34.3 | 15.3 5.7 
DOR ees eeece 6 Osetra 148472 | Female, old........ HOS | WS | Be | Sz 16.6 | 6.2 
DOSE wae mae Oyen ee esi» 143473 | Female, adult...... 139 | 114] 33 | 35.6 | 15.1 6.1 
=D) OR eee IPWO IPACAINS. ooccesss 434745 Se Miale ol desea ee 1é/ | hl |) BH | Sys | Ne 4) | RB 
DOR sae bree COMA tear hee 143475 | Male, adult......... 121 | 109 | 32) 34.6 | 16 6.1 
IDX tector caleces OO ae Sioa nee ane 143476 |....- OS sea5ee See ee ISL |) W083 |) BB locccse 14.3 | 5.8 
1D) OSes eis eee CORR see eee IBY || IMI, Ollosccceasoe- 154 | 120 34 | 36.9 | 16.3 6.2 
IDOE oes salem CWasesonoautaees ue IBY | MIEN, AClliEs cosccoscilesousllecoacllacoce 33.7 | 15 5.9 
DOs Sees | eee COM ee ae IZB¥VD) | IMI, TATTOOS — 5 scllossselleasccllocos- S03 1187) BS 
IDO asas Kateman River......- 123128 Female, Noles c coon! ISM) | ali By} |) ai) 15.5 | 6 
ID) Oe ae esa eae OR ee aU et 6123132 | Male, adult peta nee 1G |) 126 Neco ce 36.6 | 16 5.8 
Do yeene etre ctal ine ae LO EL ineclans ea MARIE || MAI, Olelsococtscoce 15S || U3) osece 38 16.8 | 6.3 
DOE et Siak River near !6144230 |....-. GOs aets eae GO) |} We%0) Ne. 37.8 | 16.8] 6 
mouth of Gasip ; | 
River. 
DOA Aan ae Sungei Mandau...... 144224 | Female, adult...... 154 | 119 | 34 | 36.9 | 17 6.3 
DORM ee a es (6 ote peer Rue eens ©144225 | Male, adult......... 167 | 180 | 35 | 38 16.4; 5.8 
(D Oy eeres eee GOR See ae IGLOS Hosen COREE Gere eae USS Vel hea Dt Ssel ie Riayat ele lla e colle se 
DOsoe eels doy eee eee WORT Nowecd COLE SS So eee NGO |l,osee 35) | 3.9 | 16,5) 
Mus asper IATULB ayaa eee ee 143467 | Female, adult..-.--- iG | UOl | sO |) BLS | 142 Bs 
DONS sr es: Siak River near | 144234 | Male, adult...._.... 140 | 103) |) 28°) 38587) 115.5) 552 
mouth of Gasip 
River. 
DD One e ap el eee QOS een nee IZEORYS | Wii, Olélocssssccsee 1183 || 122 || Bs) |) sk 15 | KG 
IDO ese ee oleae a CO eee 1'44236)|eeee OR Sasa eee 133 | 104 | 26 | 33.3 | 15 4.8 
1) Oss era Siak River near |0144237|....-. OOueisaneaaoeeees 135 | 107 | 28 | 32.6 | 14.6] 5.3 
mouth of Buwatan 
River. 
D Ontos ASI aes OO Sona ene ee bIA42385| wee OMA see eee UBD) |) Oe) |} FO) |) BRB losccce 5.6 
DORE eines COE PER Aer ae an 144239 | Male Aaailt BB pty as 1335) Wes) PAD) Jiscscedlesoowe 5.3 
1D Youseberess ie slates (OVI aes a144240 |..... Oya eae PADS OO SD Fai sapere: | ieee | ease 
TOYO Serena eee COGS eG sig eames a144241 | Female, adult...-..- TSO G5 ea 2 Gul re res see | Pama 
IDO ee eects eee COS Sea ose eee a1 44242 | Male, adult-......... WAG Tel OG) 3 2' | 5 here sere | eee 
Does eee Little Siak, 30 miles up, 144244 | Female, adult.---... 140 | 103 | 28 | 32.9| 14.5) 5 
DOR eS Little Siak JRINGEIES cose |0144245 | Male, adult........- U2 |) WOH | V7 |) Bil 4b osccoe 5 
DO Sos ee G sees plant ave es 1442265 eee Oster Pees eee 130 | 107 | 28 | 32.4] 14.6) 5 
DOS eo eed Ons eee eee AVDA] Wo soc GOR ete eee 139 | 99 | 28 |] 32.9] 14.3) 6.2 
IDOSIGOsnes Little Siak River, 6 PS ae AOR See eee 128 |) SH Neoeose 31.5 | 15 5.4 
miles up. 
@ Measurements by collector in the flesh. c Type. 
6 Skull only, no skin. ad Alcoholic. 
Measurements of Mus lingensis from eastern Sumatra. 
; a aq ° Ho} 
= = tp — BA 
eo 5 ro] » oa 
| § 3} Ss ad 3 
| 2 of > 
Name. | Locality. Nums Sex and age. Ke) of eo AS | ba 
| ber. S Ha)/ R218 ae 
ce PS ing 532 | tae & 2 
S| Sie 1 e b | oe 
| oS |e | a} N = 
| mm.|mm.| mm.) mm. | mm. | mm. 
Maungensism «| ATU ayeene eerie 143455 | Male, adult......... 190 | 177 | 47 | 43.4 |19.9)} 7.3 
DD) Oise 24st OOM ae eee 143456 |e Miale ol deeeemeeeeer 216 | 196 | 46 | 46.1 |...... au 
DD One ere eee COMA eo 143457 | Male, adult......... 200 | 205} 42} 446/]19.7)| 6.7 
DOBAa Pee nlesonee OO Face eer See 143458) 5. .-- Glo seeeadeounesae 188 | 196 | 42, 43.7 | 19 6.6 
DOs ere on |Meat GOSS ere eee 143459 | Male, old...........| 203 | 188 | 41 | 45.5 | 20 6.2 
DOF aee oleae CO mages eer 143460 | Male, adult........- 202 | 193 | 43} 44 18.5 | 6.4 
DO staae Anse errs COs Spee ae tee 143462 | Female, adult...... 199 | 200 | 40) 45 19.6 | 7.5 
Doce BS ae doreit sate ae 143463 |..... Oui eee seers 194 | 181 | 42 | 43.8) 19.6] 7.2 
DOs soe | ree loa eenideod sees '6143461 | Male, old........... 200 | 211 | 47 | 46.2 | 20.4) 6.8 
DOs eerie iat GOW ee yee 0143464 | Female, immature..| 159 | 156 | 39 | 37.7 | 17 6. 4 
DOU eee See GO ene 0143465 | Female, adult...... i190 | 171 | 39} 48.5; 19.8] 7 
Doser ws GO seas eee 6143466 |! Female, old........!.....!.. BERET 46.2 ! 20 6.9 
