SPECIAL WORK. 
Mamm . 51 
f Ncmatherium lavagnanum , n. sp., Mercerat, Rev. Mus. la Plata, ii, 
p. 26, ibid. Identified by Amegiiino, Rev. Arg. Hist. Nat. i, p. 349, with 
N. longir osiris. 
\i f Lymodon auca, n. g. & sp., f perfectus, n. sp., ibid., Ameghino, t. c. p. 348. 
f Analcitherium antarcticum , n. g. & sp., Ameghino, t. c. p. 325, ibid. 
^Ammotherium profundatum, n. g. & sp., Ameghino, l. c., ibid. 
v f Menilaus affinis , n. g. & sp., Ameghino, t. c. p. 154, 'Tertiary, Parana. 
^ f Hyperleptus garzonianus , n. g. & sp., f sectus, n. sp., Ameghino, t. c. 
p. 155, Tertiary, Patagonia. 
4 f Tolmodus injlatus , n. g. & sp., Ameghino, t. c. p. 157, ibid. On p.258, 
t. c., declared to be Avian, and transferred to Phororhachos. 
* 'fPrepotherium filholi , n. g. & sp., p. 157, potens , n. sp., p.325, ibid., 
Ameghino, t. c. 
Tapinotheriiim aquirrei , n. g. & sp., A. Mercerat, Rev. Mus. la Plata, 
ii, p. 17, Tertiary, Patagonia. Identified by Ameghino, Rev. Arg. Hist. 
Nat. i, p. 349, with Hyperleptus sectus. 
■ fPromylodon , Amegh., identified by Burmeister (supra, p. 6), with 
Mylodon. 
f Lestodon ortizianus, n. sp., Ameghino, op. cit. pp. 158 & 159, Pleisto- 
cene, Argentina. 
Sphenotherus zaveletianus , n. g. & sp., Tertiary, Argentina, pp. 95-99, 
f paranensis, n. sp., Tertiary, Parana, p. 159, Ameghino, t. c. 
t fRancidcus scalabrinianus, n. g. & sp., Ameghino, t. c. p. 160, ibid. 
J-f Strabosodon acuticavus, n. g. & sp., -fobtusicavus , n. sp., ibid., Ameghino, 
t. c. p. 161. 
^*j* Hypoccelus, n. n., Ameghino, t. c. p. 250 ; to replace Coelodon, Lund, 
preoccupied. [The name Nothrotherium, Lydekker, see Zool. Rec. xxvi, 
Mamm. p. 49, had already been substituted. — R. L.] 
J-f Catonyx, n. n., Ameghino, l. c ., to replace Platyonyx, Lund, pre- 
occupied. 
''fEuryosodon [preoccupied, R. L.] nasutus , n. g. & sp., pp. 18 & 19, 
fboulei, p. 21, f rostratus, p. 22, n. spp., ibid., Mercerat, Rev. Mus. la 
Plata, ii. All the above are identified by Ameghino, Rev. Arg. Hist. 
Nat. i, p. 349, with forms previously described. 
Elcutherodon [preoccupied, R. L.] heteroclitus, n. g. & sp., Mercerat, 
Rev. Mus. la Plata, ii, p. 24, ibid. 
c. Myrmecophagidj:. 
Couvreur, — , & Balaillon, — . Etude Anatomique sur le Myologie 
. du Membre Posterieur du Grand Fourmilier (Myrmecophaga jubata). 
Ann. Soc. L. Lyon (2) xxxviii, pp. 82-90. 
The musculature of the hind limb is described as departing widely 
from that of the ordinary pentedactyle type, and approaching that of 
Man. 
