JouRNAL OF COMPARATIVE NEUROLOGY. 
Ratio: 
Brain- W't 
No QUADRUMANA Sex|Body-W’t|Brain-W’t) =I! 
Grams. | Grams. 
33|Macacus rhesus, Q 1685 81 21 
34 OC ac Q 2045 80 25.5 
35 a es Q 2286 79 29 
36 ad ae 9 1747 78 22 
37 a a Q 1626 77 21 
38 ae a °) 1656 77 21 
39 Sy e 9 974 76 13 
ek Saas - 2 960 75:5 13 
4! ae os Q 1187 73 16 
42 a ‘§ 9 1106 72 15 
43 as “ 2 1760 72 24 
44 a S Q} 1942 72 27 
45 OC we 2 1388 72 19 
46 oy a Q| 1342 71 19 
47 ? a 2 877 70 12.5 
48 oC $ 2 1344 67 20 
49 < K O 2E75 67 18 
50 OC (Tail amputated.)| 9? 1880 61 31 
5! et : =) § Aga 87 20 
52 os ol —|cir 2000 87 23 
53 ne 7 iy mega 83 21 
54 a as — 2180 82 26 
55 os Os —| 1180 82 14 
56 4 a —| 2020 73 28 | 
57 es J — 1621 72 22 
1|Macacus cynomolgus, 2 1567 67 23 
2 ee ue a 2070 62 33 
3 ae ss 3B 2060 62 33 
4 “6 “6 3 918 59 16 
5 a oC juv.| ¢ 582 50 12 
6 ee ie juv.| g 420 44 9-5 
7 “ «s juv.| ¢ 540 44 12 
8 ag “ co) 1203 100 12 
9 a ae juv.| 9 919 62 15 
10 = Q| 1803 54 33 
11 a ts ce) 1497 53 28 
12 a a fe) 1142 52 22 
13 “ ve Q 1126 47 24 
14 as fs — 1231 62 20 
1;Macacus nemestrinus, ay 8500 128 66 
2 oe ae o 8610 122 7t 
3 os ne é 5610 119 47 
+ > ca g 4590 118 39 
5 ae a6 a he 113 pene ry SN 
6 as as g 6620 105 63 
7 ti ee ce) 2287 103 22 
8 a OC ce) 3580 100 36 
9 i i 2 3100 95 32 
10 “so “c fe} 2S ee 84 we eee 
1|/Macacus sinicus, a 1340 75 18 
2 fs s By 848 68 12.5 
3 * g 793 58 12 
4 “ ' as fe) Tie ees 70 ui secooeee 
5 “6 46 ae (een Leb. 67 fe 
1|Macacus pileatus, a 1190 60 20 
