THE GENERAL SUBJECT. 
Mamm. 17 
Suchetet, A. [See Ungulata .] 
Thomas, 0. On a Collection of Mammals from Central Yera Cruz, 
Mexico. P. Z. S. 1890, pp. 71-76, pis. vi & vii. 
The collection includes 21 species. Anew variety of Sciurus and a new 
species of Lepus are described and figured. [See Sciuridce and Leporidce.] 
. On a Collection of Mammals obtained by Dr. Emin Pasha in 
Central and Eastern Africa. T. c. pp. 443-450, pi. xl, woodcut. 
The collection includes 33 species, among which is an example of the 
rare lihynchocyon petersi. An important correction is made in regard to 
the dental formula of the Macroscelididce ; a new variety of Sciurus 
pyrrhopus is described and figured. In the Spalacidce the new name 
Myoscalops is proposed, to replace the preoccupied term Heliophobius. 
[See Macroscelididce , Sciuridce , and Spalacidce.] 
. Remarks on Dr. Schlosser’s “ Ueber die Deutung des Milchge- 
bisses der Saugetiere.” Biol. Centraibl. x, pp. 216-219. 
A criticism of the paper quoted on page 15. The author denies that 
he has ever expressed any opinion as to the serial homology of the first 
cheek-tooth of the dog, and strongly insists that the anterior cheek-teeth 
of the elephant belong to the milk-dentition. [See also Sciuridce and 
Edentata.'] 
Thompson, D’Arcy W. [See Cetacea and Marsupialia.] 
Tornier, G. Die Phylogenese des terminalen Segmentes der Saugethier- 
Hintergleidmassen. Morph. JB. xvi, pp. 401-483, pis. xvii & xviii. 
An elaborate memoir, continuing an early one, and treating in detail of 
the modifications of the ankle-joint in various groups of Mammals. 
Toula, F. Ueber Saugethierresten gesammelt bei Gelegenheit desBaues 
der Eisenbahn von Scutari nach Ismid im 1873. Anz. Ak. Wien, 
xxvii, pp. 112-114. 
A preliminary notice of a series of Manimalian remains collected in 
Turkey. The specimens come nearest to Mastodon pandionis , Elephas 
clifti , Rhinoceros hlanfordi , Iiipparion antilopinum , and Equus nomadicus. 
Tourneux, F. [See Felidce.] 
Trouessart, E. Les Mammif&res fossiles de la Republique Argentine. 
Le Nat. 1890, pp. 151, 152, 203-205, 213, 214, 271, & 272, woodcuts. 
Gives an illustrated summary of part of the great work of Ameghino 
[see Zool. Rec. xxvi, Mamm. p. 2] on the Mammals of Argentina ; and 
also some observations on the Multi tuber culata from tho paper by 
Ameghino quotod under that head. 
. Nouvelles Explorations des Gites fossilif&res de la Patagonie 
australe. Rev. Sci. xlvi, pp. 506 & 507. 
Publishes a letter from C. Ameghino giving the results of some of his 
recent discoveries of the Tertiary Mammals of Patagonia. It is stated 
that Protoxodon and allied forms have but three digits on the fore (as on 
1890. [VOL. XXVII.] C 2 
