1893.] ON T^IRD-BONES FROM THE MIOCEXE OF ISERE. 517 



nizable by their great length, their thinness, and the small size of 

 the pedicel. 



I am told that these peculiar horns are well known as articles 

 of trade at Zanzibar, where they are brought by the caravans from 

 the interior. I do not propose to found a new species on them, 

 because it is possible that they may be abnormal horns of the 

 female Black Ehinoceros, which we know is found all through 

 Eastern Africa up to the White Xile and plains of Upper Nubia'. 

 Bub it is highly probable that they belong to a different animal, 

 of which we may hope some day to receive perfect specimens. 

 In the meantime they may be provisionally named liolmwood's 

 Rhinoceros, Rhinoceros biconiis holtnwoodi. 



3. On some Bird-bones from the Miocene of Grive-St.- 

 Albau, Department of Isere, France. By R. Lydekker. 



[Eeceived May 17, 1893.] 



(Plate XLI.) 



For the second time I am indebted to my friend Dr. C. J. 

 Forsyth Major for the opportunity of adding something to our 

 knowledge of the fossil birds of Europe — the small collection 

 wliich he has on this occasion confided to my care having been 

 obtained from the Miocene beds of Grive-St.-Alban, in the Isere. 

 Those beds belong to the middle division of the Miocene period, 

 and probably correspond approximately in age to those of ISansan 

 in the Gers. So far as I am aware, the only bird-remains hitherto 

 recorded from the Grive-St.-AIban deposits are a few described by 

 Dr. C. Deperet*. These remains, which are but few in number, 

 were regarded as indicating the existence of an undetermined 

 Accipitrine of the size of the Common Buzzard ; of a peculiar 

 species of Woodpecker (Picus gaudryi) ; of a Pheasant, identified 

 with a species {Phasianus alius) described by M. A. Milne- 

 Edwards from the Sansan deposits ; oL' a smaller representative of 

 the same genus ; of a GaUinaceous bird referred to the Lower 

 Miocene genus Palrporii/.v, under the name of P. edwardsi ; of a 

 Crane, provisionally identified with (Jrus pentelici of the Pikermi 

 beds ; and of an undetermined Anserine. The collection of 

 specimens obtained by Dr. Forsyth Major is far more numerous, 

 and contains several bones in a perfect state. Others, however, 

 are very fragmentary and difficult of identification ; and I have 

 accordingly thought it well to refer in most cases only to such 

 specimens as I have been able to identify with a fair amount of 

 certainty. As I have had occasion to mention previously, our 

 collections of Avian osteology are at present in such an unsatis- 

 factory condition that the determination of complete (not to say 



' See Baker, ' Nile-Tributaries,' p. 246 (1872). 

 ^ Arch. Mu8. Lyon, vol. iv. pp. 282-288 (1887). 

 pRoc. ZooL. Soc— 1893, No. XXXV. 35 



