Polyodon Measurements —continued 
Length of Rostrum as 
Total {rostrum to body from per cent of 
Sources Length | front of eye}front of eye} body length 
mn e mm. mm. 
410 151 re 47.0 
453 155 298 52 20 
% 5 " 3 514 152 362 42.0 
3 + i‘ 7 O15 75 o4e 00.6 
a _ a “ 526 Le? 549 50.7 
a " . P 528 Le 35 50.4 
4 ; y ‘ 531 180 355. Sige 
4 i 4 " 540 175 565 47.9 
4 p ; 7 543 160 583 41,8 
P . t 558 185 373 49.6 
9 Y : OW hl 188 389 48.35 
Stockard 610 203 407 49,9 
Till. Nat. Hist, Surv. 621 199 422 47.2 
. : : 632 197 435 45.3 
< " 7 * 752 256 516 45.7 
Stockard 762 Zag 045 43.0 
: 914 2o9 655 39,0 
Barbour 914 245 669 56.6 
Danforth 1,000 260 740 mal de ce 
. 1,030 290 740 39.2 
1,050 510 740 ale? 
‘s papa se 260 810 ie ok 
: * 1,090 300 790 38.0 
Stockard Lig tS 505 8135 ts 
Danforth 1,180 520 860 O7 of 
. 1,200 340 860 39.5 
% dees 330 880 57.5 
ee 1 gee SLO 900 54.4 
Stockard 1,245 555 912 56,0 
" 1,295 345 952 36.0 
Danforth 1,300 550 970 54,0 
lStockard 1,346 343 1,002 34.2 
: 1,499 556 1,143 <paeae 
’ 1,524 404 pm 24 8 36,1 
“4 digg td 406 Lgl OY 04,7 
1,600 400 1,200 i 
+ 1,600 419 1,181 3D .0 
5 1,676 400 eas Gleo 
. 1,702 432 Lect 34.0 
ag 1,793 454 Lge te 04.9 
Nichols eee 432 ge 2020 
