1907.] 



ox HAIR-FRINGES ETC. OX THE FACE OF GIRAFFES. 



115 



the paired frontal horns of Antelopes, Bovines, and Deer occupy- 

 very widely-separated positions in different genera. Dr. Ridewood 

 has kindly prepared for me a diagram (text-fig. 36) showing these 

 varied positions in a series of genera. The most remarkable 

 position is that of the horn-cores of the Antelope Geplialophus, 

 which, is not fully exhibited in the diagram. The frontal in 

 some species of this genus actually pushes out a process into the 

 area of the parietal, upon which the horn-core rests. The horn- 

 cores ai-e seen (by reference to the diagram) to arise sometimes at 

 the hinder margin of the frontal, sometimes on the orbital ring, 

 sometimes in the anterior third of the frontal. The co-existence 

 of two pairs in Tetraceros suggests a multiplicity of horns in 

 ancestral forms. 



The position of the horn-cores in the genus Bos is not marked 

 in the diagram ; it is identical with that of the posterior pair of 

 Tetixiceros. 



2. Parallel Hair-fringes and Colour-striping on the Face of 

 Foetal and Adult Giraffes. By E. Ray Lankester, 

 M.A., D.Sc, LL.D., F.R.S., F.Z.S., Director o£ the 

 British Museum (Natural History). 



[Received February 5, 1907.] 



(Plate v.* and Text-figures .37-48.) 



When examining the foetal Giraffe which I received from the 

 Society in the past summer, I observed a number of parallel 

 bands or stripes of dark and light colour on the hairy coat of the 



Text-fie-. 37. 



Left side of the head of the foetal Giraffe described, sliowing colour-stripes on the 

 snout and above and below the ej^e. The small arrows indicate the direction of 

 slope of the hairs. About three-tenths of the natural size. 



* For explanation of the Plate, see p. 125. 



