356 



panic bulla, passes forwards between the tympanic and petrosal, and opens internally between 

 the petrosal and the junction of the basioccipital with the basisphenoid. 



Presented by Prof. Owen, F.R.S. 



1949. The* skeleton of a Rabbit (Lepus cuniculus), of the long-eared, or lop-eared, 

 tame variety. 



The vertebral formula is : cervical 7, dorsal 12, lumbar 7, sacral 4, caudal 10. The audi- 

 tory canal is larger, and opens more directly upwards, than in the Hare. The clavicular 

 ossicles are preserved. The fore limbs are somewhat longer and stronger, the hind limbs 

 shorter than in the Hare ; but not so much so as to suggest the marked difference in the 

 habits of the present burrowing species, as contrasted with the swift-running Hare. 



The following are parts of the same skeleton of a Rabbit (Lepus cuniculus). 



Hunterian. 



1950. The skull. 1951. The atlas. 



1952. The axis. 1953. An anterior dorsal vertebra. 



1954. The sacrum, which consists of four anchylosed vertebras. 



1955. The right scapula. 1956. The right humerus. 



1957. The right radius, -ulna, carpus, metacarpus, and some of the phalanges. 



1958. The left os innominatum. 1959. The right femur. 



1960. The left tibia, fibula, tarsus, metatarsus, and some of the phalanges. 



1961. The skull of a Rabbit (Lepus cuniculus). Hunterian. 



1962. The skull of a Rabbit (Lepus cuniculus) ; the long-eared variety. 



Presented by William Home Clift, Esq. 



1963. The skull of a Rabbit (Lepus cuniculus). Presented by Henry Cline, Esq. 



