SPECIAL WORK. 
Mamm. 51 
Trouessart, E. L. Article “Boeuf.” Le Grande Encyclop6die, ii, pp. 
50-61. 
This article is illustrated with figures of many of the existing types of 
cattle, and gives an account of these and several fossil forms. The 
phylogeny of the group is discussed, and the author concludes with 
considerations from an economical point of view. 
Bos tuurus, var. primigenius : the skeleton of a female from the Ter- 
tiary of Brandenburg described (with a woodcut of the skull) by A. 
Neiiring, SB. nat. Fr. 1888, pp. 53-62. 
Bos gaurus : a note on its occurrence in Ceylon, given by H. Nevill, 
Taprobanian, iii, p. 5. 
Bison americanus : R. T. Hill, Science, xi, p. 240, notes the occurrence 
of some 200 individuals in various parts of Texas. 
\Helicoceras rotundicorne,n.g.&sp., A.Weithofer, Beitr. Pal. Oesterr.- 
Ung. vi, p. 288, pi. xviii, Pliocene, Greece. 
fProtragelaphus scouzesi , Dames : skull from the Pliocene of Greece 
figured by A. Wrjtitofer, t. c. p. 285, pi. xvii. 
\Protragoccros chantrei , Zool. Bee. xxiv, Mamm. p. 44. This generic 
term was a now one in 1887, the Rocordor having unfortunately confused 
it with Protragelaphus . Antilope clavata (sansaniensfa), of the Miocene of 
Sansan, is referred to it by the founder of the genus. 
Ceplmlopus doria : 3 specimens and skull figured by F. A. Jentink, 
Notes Leyd. Mus. x, pis. ii & iii. 
+ Antilope gracillima , n. sp., A. Weithofer, Boll. Comm. Geol. (2) ix, 
p. 366, Miocene, Tuscany.' 
Rupimpra tragus : W. Stricker, Zool. Gart. xxix, pp. 23-26, has a 
discussion on the phylogeny of the name Gemse. 
Ovibos nwsekatus : a fossil skull from Germany noticed by H. 
Pohlig, SB. niederrhein. Ges. 1888, pp. 19 & 20, and SB. Ver. Rheinl. 
pp. 19 & 20. 
Natiiusius, W. von. Ueber die systematische Stellung von Capra (?) 
pgrenaica, und die massgebende Bedeutung der Hornwindung. Zool. 
Anz. 1888, pp. 333-338. 
Considers that this species must be removed from Capra , and should be 
referred either to a distinct genus or to Ammotragus ; also discusses the 
affinity of Ovis ( Pseudois ) nahura. 
Reichenow, A. Die Wildziege der Insel Jura. Zool. Jahrb. iii, Abth. 
f. Systemat. pp. 591-596, pi. xv. 
Describes and figures the Wild Goat of the Island of Joura (Giura), 
near Euboea, under the new name of Capra dorcas , and discusses its 
relation to C. cegagrus. 
. Eine neue Wild Ziege. Zool. Gart. xxix, pp. 29 & 30. 
A preliminary notice of a specimen of the above species in the 
Zoological Garden at Berlin. 
Capra dorcas , n. sp., A. Reiciienow, Zool. Jahrb. op. cit. 
