SPECIAL WORK. 
Mamm. 49 
8. SIRENIA. 
RhYTINIDjE. 
Buchner, E. Die Abbildungen der Nordischeri Seekuh ( Rhytina 
gigas, Zimm.). Mem. Ac. Petersb. xxxviii, No. 7, pp. 1-24, pi. 
Reproduces two figures, and a description of the Rhytina from the 
accounts of the voyage of Capt. Swen Waxell, preserved in the imperial 
Russian library. [See also F. Lucas, supra, p. 11.] 
9. EDENTATA. 
Mercerat, A. Datos sobre Restos de Mamiferos Fosiles Pertenecientes 
& los Bruta. Rev. Mus. la Plata, ii, pp. 5-46. 
Describes the remains of a number of Edentates from the Argentine 
Tertiaries, many of which are regarded as new. The memoir is 
criticized by Amegiiino, Rev. Arg. Hist. Nat. i, pp. 346-382. [ Vide 
infra A 
a. Manid^). 
Weber, M. Beitrage zur Anatomie und Entwickelung des genus 
Manis. In Weber’s Zoologische Ergebnisse einer Reise in Nieder- 
landisch Ost-Indien, ii, 118 pp., 9 pis. 
An exposition of the anatomy, development, and relationships of 
Manis. It is proposed to raise the Squamata , Tubulidcntata , and 
Xenarthra to the rank of orders. 
f Palceomanis neds , Forsyth-Major [Zool. Rec. xxv, Mamm. p. 57], 
showm by its founder, C.R., cxiii, p. 609, to have been established on a 
skull which is not Edentate. 
b. fMEGATHERIIDJC. 
Olaypole, W. Megalonyx in Holmes County. Am. Geol. vii, pp. 122— 
132 & 149-153. 
After recording a skeleton of Megalonyx from the district named, the 
author gives a general account of the Megatheriidce and their distribution. 
Megalonyx is considered to have lived to a late period, one skeleton 
retaining fragments of tendons. 
Lindahl, J. Description of a Skull of Megalonyx leidyi. Tr. Am. Phil. 
Soc. (2) xvii, pp. 1-10, pis. i-v. 
f Megalonyx leidyi, n. sp., Lindahl, l. c., Pleistocene, Kansas. 
4 Megalonyx meridionalis, n. sp., H. Burmeister, An. Mus. B. Aires, iii, 
p. 448, Tertiary, Argentina. 
f Scelidotherium bravardi, Lyd., considered by H. Burmeister, t. c. 
p. 479, as only sexually different from the type of 8. leptocephalum. 
1891. [vol. xxviit.] c 4 
