32 Mamm. 
MAMMALIA. 
319. Rosenberg, L. Ueber Nervenendigungen in der Sohleimliaut und 
im Epithel der Saugethierzunge. SB. Ak. Wien, xciii, 3 te Abt., 
pp. 164-198, taf. i. & ii. 
On the various forms of sense end-organs in the tongue of Mammals. 
320. Roux, W. Ueber eigenartige Kanale in recenten und fossilen 
Kuochen. Anat. Auz. i, pp. 276 & 277. 
On a canal-system found in certain fossil bones, especially those of 
JRhytina , probably due to a fungus ( Mycelites ossifragus , Roux). 
321. Rijge, G. Untersuchungen uber die Gesichtsmuskulatur der Pri- 
maten. Leipzig : 1887 [1886], folio, pp. 1-130, mit 8 taf. 
Account of the facial myology of various members of the group Pri- 
mates , such as Gebus , A teles, llapale , Cynoceplialus , Innuus , Orang, and 
Man. 
322. Ryder, J. A. The Origin of the Amnion. Am. Nat. xx, pp. 
179-185. 
The mechanical explanation of the formation of the amnion by the 
too rapid growth of the embryo, especially at the head end, by its down- 
sinkiug into the yolk, and by the closing of the double layer so formed 
over the back of the embryo. 
323. Sack, A. Ueber die Verbindung der Crura penis mit dem Becken 
bei Beutelthieren. Zool. Anz. ix, pp. 164-166. 
The author points out that in Phuscogale flaviceps the “crura ” penis 
spring from and are attached to the ischium, which is a point hitherto 
said to be characteristic of Monodelphs as opposed to Didelphs. 
324. Saint- Hilaire, A. G. Note sur les chiens de prairie. Bull. Soc. 
Acclim. (4) iii, pp. 384-387. 
Notes on their habits in captivity. 
325. Sanchez, J. El castor, el mico de noche y el hormiguero. Nat. 
Mex. vii, pp. 324 & 325. 
Note on Castor fiber, Cycloturus didactylus , and Tamandua tetradactyla. 
326. Santos, F. M. On a new or critical species of Monkey, and a 
systematical arrangement of a group of Gercopitkecus. J. Sci. Lisb. 
xlii, p. 95. 
327. Sciiaff, E. Ueber Lagomys rutilus , Severtzoff. Zool. JB. ii, 
pp. 65-72, mit 6 Holzschnitten. 
A fresh description of this Hare, which has never been studied since 
the original description in Ann. N. H. 1876, xviii, p. 168. 
328. . Ein neu-geborenes Hengstfohlen vom Dschiggetai ( Equus 
Tiemionus ). Zool. Gart. xvii, pp. 259 & 260. 
329. Schiefferdecker, P. Studien zur vergleichenden Histologie der 
Retina. Arch. mikr. Anat. xxviii, pp. 305-396, taf. xxii-xxiv. 
A study of the supporting cells (stiitzzellen) of the retina in Ver- 
tebrates. 
