25 
Comparative Measurements 
Skull 
Thespesius 
edmontoni. 
No. 8399, 
G.S.C. 
Thespesius 
annectens 
(Marsh), 
No. 2183, 
Yale Museum 
Thespesius 
annectens 
(Marsh), 
No. 2414, 
U.S.N.M. 
Diclonius 
mirabilis 
Cope, 
No. 5730, 
A.M.N.H. 
Total length premaxillary to paraocci- 
pital process 
938 
1,020 
1,100 
1,180 
Length in front of teeth 
“ of quadrate 
“ of dentition 
310 
340 
320 
380 
3501 
420 
380 
350i 
Lower Jaw 
Total length, about 
“ of dentaiy 
“ of dentition 
Greatest depth through middle of jaw 
including teeth 
715 780 
570i 
3001 
126 160 
980 
820 
350i 
190 
Pectoral Girdle and Fore Limbs 
Scapula, length 
“ width, widest part of blade. . . 
“ narrowest part of blade 
Humerus, length 
“ length of deltoid ridge 
Ulna, length 
Radius, length 
Metacarpal II, length 
“ III, length 
“ IV, length 
** V, length 
Sternal bone, length 
927 
215 
130 
587i 
340 
655 
610 
215 
272 
270 
118 
428 
860 
190 
590 
600 
550 
250-5 
270 
110 
420 
970 
230 
130 
500 
310 
630 
600 
245 
120 
810 
200 
130 
501 
280 
500 
440 
200 
220 
215 
75 
420 
Pelvic Girdle and Hind Limbs 
Ilium, length 
Pubis, length 
“ width of preacetabular ex- 
pansion 
“ length of preacetabular portion 
Ischium, length 
Femur, length 
Tibia, length 
“ width of proximal end, antero- 
posteriorly 
" width of distal end transversely 
Fibula, length . 
“ width of proximal end 
“ “ distal end 
Metatarsal II, length 
“ III, length 
“ IV, length 
1,020 
210 
610 
1,118 
930 
325 
225 
890 
180 
270 
345 
275 
1,150 
1,150 
220 
600 
450 
1,150 
1,060 
1,170 
950 
1,000 
290 
260 
320 
920 
920 
140 
130 
120 
260 
280 
360 
370 
280 
300 
1,030' 
630 
200 
360 
1,090 
1,040 
870 
310 
230 
820 
160 
65 
280 
340 
275 
1 Estimated. 
