. Pteromys oral (_Brown Flying Squirrel_) 294
298. " cineraceus (_Ashy Flying Squirrel_) 296
299. " Yunnanensis (_Yunnan Flying Squirrel_) 296
300. " melanopterus (_Black-flanked Flying Squirrel_) 297
301. " alborufus (_Red and White Flying Squirrel_) 297
302. " magnificus (_Red-bellied Flying Squirrel_) 298
303. " albiventer (_White-bellied Flying Squirrel_) 299
304. " caniceps (_Grey-headed Flying Squirrel_) 299
305. " Pearsonii (_Hairy-footed Flying Squirrel_) 300
306. " fuscocapillus (_Small Travancore Flying
Squirrel_) 300
307. " fimbriatus (_Grey Flying Squirrel_) 301
308. " alboniger (_Black and White Flying Squirrel_) 301
309. " spadiceus (_Red Flying Squirrel_) 302

ARCTOMYDINAE--THE MARMOTS 302

Genus Arctomys--

310. Arctomys bobac (_Bobac, or Poland Marmot_) 303
311. " caudatus (_Red Marmot_) 304
312. " Hemachalanus (_Eastern Red Marmot_) 305
313. " aureus (_Golden Marmot_) 305
314. " dichrous 306
315. " robustus 306

MYOMORPHA--MOUSE-LIKE RODENTS 306

FAMILY MURIDAE 307

Genus Platacanthomys--

316. Platacanthomys lasiurus (_Long-tailed Spiny Mouse_) 308

SUB-FAMILY GERBILLINAE 309

Genus Gerbillus--

317. Gerbillus Indicus (_Indian Jerboa-Rat, or Kangaroo-Rat_) 309
318. " Hurrianae (_Desert Jerboa-Rat_) 311
319. " cryptorhinus (_Lobe-nosed Jerboa-Rat_) 312
320. " erythrurus (_Red-tailed Jerboa-Rat_) 313
321. " nanus (_Dwarf Jerboa-Rat_) 313

SUB-FAMILY PHLOEMYINAE 314

Genus Nesokia--

322. Nesokia Hardwickii (_Hardwick's Field-Rat_) 315
323. " Huttoni (_Hutton's Field-Rat_) 315
324. " Scullyi (_Scully's Field-Rat_) 315