528 ON A NEW FOSSIL MAMMAL. 



a close series of seven teeth behind the canine without any 

 diastema *. Tlie new specimen may therefore be provisionally 

 referred to Cimolestes, and as it differs from the type-species 

 (0. incisus) by its larger size, and both from this and a second 

 Laramie fornm ((7. curtics) by the relatively less elevation of the 

 trigon in the molars, it doubtless represents a new species, 

 which may be appropriately named G. cutleri after its discoverer 

 [Abstract P. Z. S. 1916, p. 30 (May 30)J. The large fourth pre- 

 molar, if it had been found separately, would have been described 

 as Stagodon in the nomenclature of Marsh ; but it seems to have 

 characterised more than one genus of Cretaceous Marsupials t, 



* 0. C. Marsh, "Discovery of Cretaceous Mammalia. — Part III.," loc. cit. vol. xliii. 

 (1892) p. 258, pi. ix. tigs. 5, 6. 



t Compare Thlceodon padanicus, E. D. Cope, Amer. Naturalist, vol. xxvi. (1892) 

 pp. 758-762, pi. xxii. 



