



B. S. Lull 



— Mammals and Horned Dinosaurs. 



Table 1. 



343 





U. S. N. M. skulls, other than types, identified by Gilmore. 

 Yale skulls, other than types, identified by Lull. 



Phyla 



en 



3 

 \-t 



3 



O 

 u 



o 



E-1 



en 

 O. 

 o 



a> 



o 



5 



en 



a. 



s§ 



rt en 



ej o 

 o u. 



H 



tn 



a 

 o 



>- 5 



'u. « 



H 



3 

 O 

 CD 



a 

 *o 



CJ 



en 



i 



£ P 

 CD - 



Level 



Sk. 

 No. 



Mus. 



Cat. 

 No. 



Type 



Genus and species 





High 

 1 



19 



Y.M. 



1830 

 1838 



Holo. 



Torosaurus latus 



X 









8 



2 



31 



Y.M. 



Holo. 



Triceratops sp. indet. 













3 



19A 



Y.M. 



1831 



Torosaurus gladius 



X 









— 





4 



24 



Y.M. 



1828 





Triceratops "ingens" MS. 









X 



12 



5 



30 



Y.M. 



1837 | 



Triceratops sp. indet. 













6 



18 



Y.M. 



1829 





Triceratops ?elatus 









X 



— 





7 



27 



N.M. 



5740 

 1832 





Triceratops sp. indet. 













8 



21 



Y.M. 



Pies. 



Triceratops ?brevicornus 







X 





— 





9* 



22 



Y.M. 



1834 



Holo. 



Triceratops brevicornus 







X* 





10 



n 



10 



2 



Y.M. 



1821 

 2412 



Holo. 



Triceratops flabellatus 









X 







11 



25 



N.M. 



Holo. 



Diceratops hatcheri 





X 







— 





12 



16 



N.M. 



1201 



Holo. 



Triceratops elatus 









X 



18 



13 



(20 



Y.M. 



1833 





Triceratops (suggests 

 Diceratops) 





?x 









14 



(23 



Y.M. 



1836 





Triceratops? sp. indet. 













15 



26 



N.M. 



2100 



Pies. 



Triceratops ?prorsus 

 or elatus 









?x 





16 



5 



N.M. 



4276 



Holo. 



Triceratops sulcatus 











X 



5 



17 



29 



N.M. 



4928 



Holo. 



Triceratops calicornis 









X 





i 



18 



4 



Y.M. 



1823 



1822 



Holo. 



Triceratops serralus 







X 









19 



3 



Y.M. 



Holo. 



Triceratops prorsus 







X 









20 



,14 



N.M. 



7239 





Triceratops sp. indet. 











X 



?6 



21 



(15 



N.M. 



1208 





Triceratops sulcatus 











22 



28 



N.M. 



6679 





Triceratops sp. indet. 















23 



10 



N.M. 



5741 





Triceratops elatus 









X 







24 



17 



N.M. 



1205 





Triceratops prorsus 







X 









25 



11 



N.M. 



4708 

 4286 





Triceratops elatus 









X 







26 



12 



N.M. 





Triceratops sulcatus 











X 





27 



13 



N.M. 



2124 





Triceratops sp. indet. 















28 



8 



N.M. 



5738 





Triceratops sp. indet. 













B«* 



1 



29 



\ 6 



N.M. 



2416 





Triceratops serratus 







X 









30 



1 7 



N.M. 







Cannot find 















31 



1 



Y.M. 



1820 

 4720 



Holo. 



Triceratops horridus 







X 







3 



2 



32 



Low 



9 



N.M. 



Holo. 



Triceratops obtusus 





?x 







X 



4 





*S 

 **p 



tanton 

 , Peters 



says no 

 on's ma 



, much 

 mmal < 



higher than skulls Nos. 3, 4, f 

 juarry ; B, Beecher's ; the resi 



we 



re n 



umb( 



>red. 







