357 



1964. The skull of a Rabbit (Lepus cuniculus). Hunterian. 



1965. The skull of a Rabbit (Lepus cuniculus). Presented by Henry Cline, Esq. 



1966. The skull of a Rabbit (Lepus cuniculus). 



In this specimen the incisor teeth have acquired an unusual extent from non-apposition 

 with those below, the result of an accidental injury to the left incisor of the lower jaw. The 

 two auxiliary, or second incisors of the upper jaw are also greatly elongated, in consequence 

 of the inferior incisors not coming in contact with them. 



Presented by William Pretty, Esq., 1822. 



1967. The skull of a wild Rabbit, with singularly elongated incisors, in consequence 

 of their non-apposition. Presented by Roger Wllbraham, Esq. 



1968. The skull of a Rabbit, with the incisors in a similar state. Hunterian. 



1969. The skull of a Rabbit, with the incisors in a similar state. 



Presented by Dr. Leach, F.L.S. 



1970. The skull of a Rabbit, with the incisors in a similar state. 



Presented by Hampton Weekes, Esq. 



1971. The skull of a Rabbit, with the incisors in a similar state. 



Presented by Robert Keate, Esq. 



Family Caviidee. 

 Genus Dolichotis. 



Dental formula : ^, p ^, m jEi=20. 



1972. The skull of the Patagonian Cavy, sometimes called Patagonian Hare (Doli- 

 chotis patachonica) . 



The roots of the teeth are exposed on the left side of the upper jaw and on the right side 

 of the lower jaw. The inferior incisors extend back as far as the third molar (m 2) ; both 

 these and the upper incisors are slightly impressed longitudinally along their convex side. 

 The molars are curved ; the upper ones with the concavity turned outwards, the lower ones 

 with the concavity turned inwards, and in the last molar tooth also backwards. The par- 





