TABLE A. 



33 



the supposition that they are taken from a single individual, it is instructive to note 

 that the ratio of the ulna to the humerus is 136, which is only a trifle greater than the 

 ratio of the corresponding bones of Professor Marsh's type of P. ingens, No. 1175. In 

 all other examples of Pteranodon in the Yale Collection, the length of the ulna is still 

 greater in comparison with that of the humerus. 



TABLE A. 

 Lengths of long bones of the wing and leg in millimeters. 



Cat. No. H 



urn. Ra. 



Ul. 



Mc. V. 



1st Phal. 



2d Phal. 



3d Phal. 



4th Phal. 



Femur 



Tibia 



1164 i 



67 







430 













2616 1 



80 260 







510 









190 





1175 i 



!90 



384 













270 





2425 1 



55 217 



223 



360 















2692 J 



L70 





. . . 



453 



358 





125+ 





. . . 



2767 







400 







240 





175 





2493 i 



202 284 



296 



454 



550 



474 







192 



290 



1181 



L44 205 



210 

















2348 



283 



290 



455 





470 



322 



165+ 









2591 













323 



193 









2738 









670 



500 





. . . 



26( 



) 



353 



2499 





338 







480 



330 











2662 













325 



185 









2452 





315 



550? 



623 



460 



301 



160+ 









2680 



242 



250 







370? 



260 











2451 



173 





382 



452 













248 



2730 



230 



325 







445+ 







. . 







2689 









705 





358 











2470 





. . . 





495 



380 



260 



152 









2414 





355 



572 

















2774 









454 



372 



263 











2708 









476 





255 











2403 











490 



315 



170 









2473 







600 

















2496 



" 













206 









