472 PROCEEDISQS OF TEE NATIONAL MUSEUM. vol.46. 



Plate 41. 



Fig. 9. Tomocerus vulgaris, claws, X 290. 



10. Tomocerus vulgaris, spines of left dens, X 275. 



11. Tomocerus vulgaris, right mucro, X 275. 



12. Tomocerus minor, claws, X 308. An accessory tooth is shown on the 



unguiculus. 



13. Tomocerus minor, spines of left dens, X 214. 



14. Tomocerus minor, spines of right dens, X 223. Accessory spines are shown. 



15. Tritomurus cali/omicus, claws, X 398. 



16. Tritomurus calif amicus, spines of right dens, X 248. Three of the spines are 



wanting. 



17. Tritomurus cali/omicus, an-angemeut and relative sizes of dental spines as 



indicated by their sockets, X 248. 



