158 MR. E. BLYTH ON SOME HORNS OF RUMINANTS. [May 12, 



Figs. 1, la, and 2 represent the sexes of B. brachyceros ; figs. 3 

 and 3a, the B. reclinis; and figs. 4 and A a, the B. planiceros. 



May 12, 1863. 



E. W. H. Holdsworth, Esq., F.Z.S., in the Chair. 



A communication was read from Messrs. Joshua Alder and Albany 

 Hancock, F.Z.S., entitled " Notice of a collection of Nudibranchiate 



