4806. The right mesocuneiform. 



740 



4807. The left mesocuneiform. 



4808. The right ectocuneiform. 



4809. The left ectocuneiform. 



4810. The right os cubo'ides. 



4811. The left os cubo'ides. 



4812. The right first metatarsal. 



4813. The left first metatarsal. 



4814. The right second metatarsal. 



4815. The left second metatarsal. 



4816. The right third metatarsal. 



4818. The right fourth metatarsal. 



4820. The right fifth metatarsal. 



4817. The left third metatarsal. 



4819. The left fourth metatarsal. 



4821. The left fifth metatarsal. 





4822. The skeleton of a young Dog-faced Baboon (Cynocephalm Babouin). 



The canines and last molars are still concealed in the jaws. The vertebral formula is : 

 1 cervical, 12 dorsal, 7 lumbar, 3 sacral, and 12 caudal ; but some of the latter are probably 

 wanting. A rudimental rib is attached to the left diapophysis of the first lumbar vertebra. 

 The animal has died rachitic. 



4823. A vertical and longitudinal section of the cranium of a young Yellow Baboon 

 (Cynocephalus leucopli&us). 



The cerebellar fossa of the petrosal is well marked. The vomer extends from the posterior 

 nares to the foramen iucisivum. The last permanent molar and canine are still concealed in 

 the substance of the jaw. 



4824. The opposite section of the same cranium. 



The deciduous canine is retained. 



4825. The skull of a young Baboon (Cynocephalm Anubis). 



The roots of the premolars and the crown of the permanent canine are exposed on the right 



