[1921] 
XVI. Mammalia. 
Mam. 17 
380.— Thomas, 0. On small 
Mammals from “ Otro Cerro ” North- 
eastern Rioja. Collected by Sr. L. 
Budin. Ann. Mag. Nat. Hist. London 
[9] 3 1919 pp. 489-500. 
381 —Thomas, 0. A new Tuco-tuco 
from Bolivia. Ann. Mag. Nat. Hist. 
London [9] 7 1921 pp. 136-137. 
382. — Thomas, 0. Two new Muridae 
discovered in Paraguay by the Marquis 
de Wavrin. Ann. Mag. Nat. Hist. 
London [9] 7 1921 pp. 177-179. 
383. — Thomas, O. A new Mountain 
Vizcacha ( Lagidium ) from N.W. Pata- 
gonia. Ann. Mag. Nat. Hist. London 
[9] 7 1921 pp. 179-181. 
384. — Thomas, O. A new Monkey 
and a new Squirrel from the Middle 
Mekong, on the Eastern Frontier of 
Siam. Ann. Mag. Nat. Hist. London 
[9] 7 1921 pp. 181-183. 
385. — Thomas, 0. New Rhipidomys, 
Akodon, Ctenomys and Marmosa from 
the Sierra Santa Barbara, S.E. Jujuy. 
Ann. Mag. Nat. Hist. London [9] 
7 1921 pp. 183-187. 
386. — Thomas, O. On a new Genus 
and Species of Shrew and some new 
Muridae from the East Indian Archi- 
pelago. Ann. Mag. Nat. Hist. London 
[9] 7 1921 pp. 243-249. 
387. — Thomas, 0. New Foxes of the 
Genera Cerdocyon and Pseudalopex 
from Northern Argentina. Ann. Mag. 
Nat. Hist. London [9] 7 1921 pp. 381- 
385. 
388. — Thomas, 0. On Cavies of the 
Genus Caviella. Ann. Mag. Nat. Hist. 
London [9] 7 1921 pp. 445-448. 
389. — Thomas, 0. New Sigmodon, 
Oryzomys, and Echimys from Ecuador. 
Ann. Mag. Nat. Hist. London [9] 7 1921 
pp. 448-450. 
390. — Thomas, 0. Three new Species 
of Marmosa with a Note on Didelphys 
waterhousei Tomes. Ann. Mag. Nat. 
Hist. London [9] 7 1921 pp. 519-523. 
391. — Thomas, 0. The Tuco-tuco 
of San Juan, Argentina. Ann. Mag. 
Nat. Hist. London [9] 7 1921 pp 523- 
524. 
392. — Thomas, O. The Arctonyx of 
Annam. Ann. Mag. Nat. Hist. London 
[9] 7 1921 p. 524. 
(n-17041 / ) Q 
393. — Thomas, O. The Geographical 
Races of Herpestes brachyurus, Gray. 
Ann. Mag. Nat. Hist. London [9] 8 
1921 pp. 134-136. 
394. — Thomas, O. A new Genus of 
Opossum from Southern Patagonia. 
Ann. Mag. Nat. Hist. London [9] 8 
1921 pp. 136-139. 
395. — Thomas, 0. A new Bat of the 
Genus Promops from Peru. Ann. Mag. 
Nat. Hist. London [9] 8 1921 p. 139. 
396. — Thomas, 0. On Spiny Rats 
of the Proechimys Group from South- 
eastern Brazil. Ann. Mag. Nat. Hist. 
London [9] 8 1921 pp. 140-143. 
397. — Thomas, O. The “ Huron of 
the Argentine. Ann. Mag. Nat. Hist. 
London [9] 8 1921 pp. 212-213. 
398. — Thomas, O. On Mammals 
from the Province of San Juan, Western 
Argentina. Ann. Mag. Nat. Hist. 
London [9] 8 1921 pp. 214-221. 
399. — Thomas, 0. Two new Argentine 
forms of Skunk. Ann. Mag. Nat. 
Hist. London [9] 8 1921 pp. 221-222. 
400. — Thomas, 0. New Cryptotis, 
Thomasomys and Oryzomys from 
Colombia. Ann. Mag. Nat. Hist. 
London [9] 8 1921 pp. 354-357. 
401. — Thomas, O. New Pseudo- 
chirus and Phascogale from N.W. New 
Guinea. Ann. Mag. Nat. Hist. London 
[9] 8 1921 pp. 357-359. 
402. — Thomas, 0. Notes on 
Australasian Rats, with a Selection 
of Lectotypes of Australasian Muridae. 
Ann. Mag. Nat. Hist. London [9] 8 
1921 pp. 425-433. 
403. — Thomas, 0. The Jerboa of 
Muscat. Ann. Mag. Nat. Hist. London 
[9J 8 1921 pp. 440-441. 
404. — Thomas, 0. A new short- 
tailed Opossum from Brazil. Ann. Mag. 
Nat. Hist. London [9] 8 1921 pp. 441- 
442. 
405. — Thomas, 0. A new Cotton-tail 
( Sylvilagus ) from Colombia. Ann. Mag. 
Nat. Hist. London [9] 8 1921 pp. 442- 
443. 
406. — Thomas, 0. Notes on the 
species of Notomys , the Australian 
Jerboa-Rats. Ann. Mag. Nat. Hist. 
London [9] 8 1921 pp. 536-541. 
G 12 
