|Sj^^^MJ^iLr|M.r^AJ0T^L:^.'4J:^1>-Lxr.=:_ . . ->- s. ^^ 



F^T^-^r;-r^--7r.t1'v-^7.!/Sl'., \ -JV|'t-a^a^?tf ^Hi;^^t-JS^- ^^^^^ ^ ^.O.: ^.. 



L--JIALLIL L^L-b K- "A" X FwXJ J-*Kh^ 



"■^ ^+H^"" ^"-^' -■^L^i^^lrlii.I^KULiii. 



^ 



TABLE 



Measurements of twenty-two Skulls of Bison americanus and of five Skulls of Bison bonasus 



o 



a 



p^ 

 ^ 



\ 



^ 

 ^ 





1 



Anterior border of premaxillas to occipital crest . . . . 



'* " '* anterior edge of orbits 



*' end of nasal bones to occipital crest 



Fronto-nasal suture to occipital crest 



Anterior end of nasal bones to base of born-cores . . 



Breadth of foreliead at narrowest point * 



Distance between extreme outer edge of orbits 



" " bases of born-cores 



Width of skull at the auricular openings 



Length of horn-cores measured along upper side . . . 



" " a line connecting base and tip 



Circumference of base of born-core 



Dist. from mesial plane of slcuU to tip of horn-core 



'* between extreme tips of horn-cores 



Length of nasals 



Greatest breadth of one nasal 



Breadth of palatines opposite 2d true molar 



C-reatest height of sl^ull 



Lenn;th of molar series of maxilla 



" lower jaw from tip to angle 



Height of " " ** '^ '^ 



Length of molar series of lower jaw 





Bison americanus. 



514 



5.j0^ 

 280 290 

 458 

 247 



580 



290 



4 



362 



270 



;uo 



266 



240 

 204 



190 163 



254254 

 330 298 

 620 584 



463 440 

 26 7 

 355 

 273 



305 310 

 267 280 

 267 250 

 197 200 



204 

 _60 



194 

 55 



108 110 



158 

 140 

 420 

 217 

 155 



150 

 154 



406 

 215 

 165 



« • 



195 



V « 



« 4 



4 * 



4 * 



400 

 200 



550 

 275 

 460 

 263 

 370 

 270 

 323 

 280 

 272 

 200 

 195 

 255 

 328 

 640 

 194 

 57 

 100 

 154 

 140 



550 

 273 

 452 

 240 

 3 75 

 285 

 345 

 300 

 270 

 215 

 200 

 260 

 350 

 680 

 210 

 Qd 

 103 

 162 

 147 

 410 

 210 

 156 



6 



525 

 273 

 430 

 232 

 350 

 254 

 298 

 268 

 238 

 203 

 178 

 200 

 314 

 575 

 205 

 55 

 104 

 160 

 150 

 400 

 215 

 156 



cf 

 505 



250 



420 



8 



558 

 270 

 460 



9 



10 



11 



534|510:o00 

 27012671265 



1440 



230 2701230 227 



!355'340 



350 



270 

 295 

 284 

 220 

 220 

 175 

 214 

 317 

 575 

 192 

 53 

 97 

 152 

 152 

 320 

 195 

 160 



360 

 277 

 333 

 296 

 273 

 196 

 176 

 240 

 327 

 615 

 187 

 58 

 112 

 162 

 140 

 400 

 200 

 153 



425 415 

 214 



j267 252 

 "280 

 260 

 227 

 157 

 130 

 195 

 253 

 484 

 187 

 57 

 80 

 147 

 148 



j320 



272 



253 



185 



173 



235 



|298 



;590 



|l97 



I 53 



1104 



1170 



134 



350 

 240 

 290 

 255 



238 

 146 

 132 

 200 

 267 

 515 

 200 

 52 

 93 

 144 

 140 



400 390 397 



208 

 147 



197 

 160 



200 

 153 



12 13 



555 550 



275 270 

 440 437 

 240 245 

 355 360 



280 272 



330 



280 



277 



180 



162 



14 



15 



217 

 300 

 565 

 195 

 62 

 102 

 165 

 150 

 410 

 215 



332 

 286 

 26 7 

 210 

 178 

 233 

 330 

 620 

 193 

 55 

 96 

 168 

 135 

 413 

 200 



500^500 



250|250 

 420 . . . 



153 148 



230 

 343 

 265 

 335 

 263 

 260 

 176 

 161 

 255 

 300 

 585 

 185 

 57 

 106 

 156 

 138 



230 



# • • 



252 

 323 



271 

 260 

 175 

 170 



240 

 290 

 560 



98 

 148 

 145 



16 



600 

 323 

 445 

 255 

 365 

 299 

 338 



280 



« « 



300 



200 

 65 

 113 

 117 

 143 

 416 

 225 

 146 



17 



442 

 240 

 368 

 200 

 310 

 200 

 250 

 205 

 174 

 145 

 126 

 138 

 220 

 418 

 170 

 44 

 89 

 140 

 150 

 365 

 180 

 158 



*. Between orbits and base of horn-cores. 



18 



1 



19 



1 



9 



420 



450 



220: 



240 



350 



1 



370 



190 



198 



300 



315 



1 



205 



'208 



230 



236 



210 



214 



186 



190 



135 



195 



120 



134 



135 



158 



205 



230 



362 



425 



163 



168 



46 



46 



88 



90 



130 



137 



130 



152 



352 



360 



170 



AAA 



190 



A fa A 



• • ¥ 



■ ■ V 



20 



T" 



490 

 253 

 390 

 210 

 345 

 210 

 267 

 214 

 220 

 132 

 125 

 163 

 235 

 468 

 185 

 52 

 88 

 156 

 138 

 382 

 195 

 147 



21 22 



~9~T" 



480 422 

 255 260 

 378 410 

 208 216 

 340 348 

 213 220 

 260 240 



213 220 



214 203 

 133 133 

 130 127 

 165 155 

 233 248 

 450 490 

 172 195 



4^6 49 

 92 102 

 142 146 

 136 146 

 380 385 

 495 207 

 145 155 



Bison tonasus. 



23 



458 

 230 

 393 

 208 

 332 

 206 

 230 

 205 

 193 

 ,153 

 127 

 178 

 216 

 395 

 185 

 38 

 88 

 133 

 140 

 369 

 165 

 153 



24 



565 

 290 

 484 

 285 

 394 

 270 

 310 

 278 

 254 

 190 

 177 

 240 

 320 

 647 

 220 

 52 

 105 

 168 

 148 

 433 

 ,230 

 158 



25 26 



570 525 

 305 

 427 

 257 



250 



245 



231 



328,310 

 282^230 

 258 240 

 230 



242 



622 



174 



52 



102 



142 



385 



157 



580 

 305 

 440 

 265 



375 



267 



312 



270 

 245 

 270 

 240 

 200 

 310 

 5G0 

 200 183 

 45 

 96 

 167 

 152 

 408 

 203 

 157 



3 

 C 



r 



J 



- f. 



-*v^^■*^t«fl^^^ 



