14 Mam . 
XVIII. Mammalia. 
[1920] 
Szymanski, J. S. Aktivitat und 
Ruhe bei Tieren und Menschen. Zs. 
allg. Physiol. 18 1920 (105-162) 16 figs. 
238 
Taverner, P. A. The test of the sub- 
species. Journ. Mamm. Baltimore 1 
1920 (124-127). 239 
Taylor, W. P. A new meadow mouse 
from the Cascade Mountains of Wash- 
ington. Journ. Mamm. Baltimore 1 
1920 (180-182). 240 
Taylor, W. P. Suggestions for 
Ecologic Investigations in Vertebrate 
Zoology. Science New York N.S. 51 
1920 (283-287). 241 
Teilhard de Chardin, P. Sur la 
succession des faunes de Mammif^res 
dans l’Eoc&ne inf&ieur europ66n. Paris 
C. R. acad. Sci. 171 1920 (1161-1162). 
242 
Thomas, O. Two new species of 
Sylvilagus from Colombia. Ann. Mag. 
Nat. Hist. London (9) 5 1920 (31-33). 
243 
Thomas, O. A new shrew and two 
new foxes from Asia Minor and Pales- 
tine. Ann. Mag. Nat. Hist. London (9) 
5 1920 (119-122). 244 
Thomas, O. The generic positions 
of “ Mus ” nigricauda, Thos., and 1 
woosnami, Schwann. Ann. Mag. Nat. 
Hist. London (9) 5 (140-142). 245 
Thomas, O. A new Taphozous from 
the Sudan. Ann. Mag. Nat. Hist. 
London (9) 5 1920 (142-144). 246 
Thomas, O. A new Marmosot from 
the Peruvian Amazons. Ann. Mag. Nat. 
Hist. London (9) 5 (144). 247 
Thomas, O. Some notes on Baht- 
russa . Ann. Mag. Nat. Hist. London 
(9) 6 1920 (185-188). 248 
Thomas, O. A further collection of 
mammals from Jujuy. Ann. Mag. Nat. 
Hist. London (9) 5 1920 (188-196). 249 
Thomas, O. Two new Asiatio Bats 
of the genera Tadarida and Dyaco- 
pterus. Ann. Mag. Nat. Hist. London 
(9) 5 (283-286). 250 
Thomas, 0. Four new squirrels of 
the genus Tamiops. Ann. Mag. Nat. 
Hist. London (9) 5 (304-308). 251 
Thomas, 0. On Neotropical bats of 
the genus Eptmcua. Ann. Mag. Nat. 
Hist. London (9) 6 (360-367). 252 
Thomas, 0. New species of Bei - 
throdon, Abrocoma and Scapteromys 
from Argentina. Ann. Mag. Nat. Hist. 
London (9) 5 1920 (473-478). 253 
Thomas, 0. Notoryctes in North- 
west Australia. Ann. Mag. Nat. Hist. 
London (9) 6 1920 p. 111. 254 
Thomas, 0. A new genus of Eohi- 
myinae. Ann. Mag. Nat. Hist. (9) 
6 1920 p. 113. 255 
Thomas, O. Mammals from near 
Tinogasta, Catamarca, collected by 
Sr Budin. Ann. Mag. Nat. Hist. 
London (9) 6 1920 (116-120). 256 
Thomas, 0. A new Tuoo-tuco from 
Tucuman. Ann. Mag. Nat. Hist. 
London (9) 6 1920 (243-244). 257 
Thomas. 0. On mammals from the 
Lower Amazons in the Goeldi Museum, 
Para. Ann. Mag. Nat. Hist. London 
(9) 6 1920 (266-283). 258 
Thomas, 0. On small mammals 
from the Famatina Chain, North- 
western Rioja. Ann. Mag. Nat. Hist. 
London (9) 6 1920 (417-422). 259 
Thomas, 0. On mammals from 
Ceram. Ann. Mag. Nat. Hist. London 
(9) 6 (422-431). 260 
Thomas, O. New small mammals 
from New Guinea. Ann. Mag. Nat. 
Hist. London (9) 6 1920 (533-537). 
261 
Thomas, O. Report on the -mam- 
malia collected by Mr. Edmund Heller 
during the Peruvian Expedition of 
1915 under the auspices of Yale Uni- 
versity and the National Geographical 
Society. Washington D.O. Smithsonian 
Inst. Nat. Mus. Proc. Vol. 58 No. 2333 
(217-249). ' 262 
Thomas, 0. A new fat-tailed Gerbil 
( Pachyuromys ) from Western Algeria. 
Nov. Zool. 27 1920 (313-314). 263 
Thonas, 0. A note on the type- 
locality and geographical races of the 
Gundi ( C tenodactylus gundi Rothm) 
Novit. Zool. Tring 27 1920 (506-507). 
264 
Thomas, O. Scientific Results of 
the Mammal Survey. No. XXI. A. 
Some new mammals from Baluchistan 
and North-West India. B. Two new 
species of Calomyscus. Bombay J. 
Nat. Hist. Soc. 26 1920 (93&-940). 
264a 
