Note 39 — DESCRIPTION OF A MUTILATED LOWER JAW AND TEETH, ON WHICH IS FOUNDED A SUBGENUS OF MEGATHERIOID EDENTATA, UNDER THE NAME OF MYLODON.

Harlan’s Medical and Physical Researches, 1835, p. 334. M. de Blainville speaks of a cast of a fragment of a lower jaw “portant encore cinq dents en série;” as having been transmitted to the Museum of the Garden of Plants from North America, together with other bones, all of which he refers to the genus Megalonyx; M. de Blainville does not describe these teeth, which is to be regretted, inasmuch as, if he be correct in regard to their number, which can hardly be doubted, and if he wrote with any clear and definite ideas of the generic characters of Megalonyx, this would indicate that Megalonyx differed generically both from Megatherium and Mylodon in a more important dental character than has hitherto been suspected (See “Comptes Rendus, &c.” 1839, No. V. p. 142.)