448 
Ptilothrix, note on the genus, 303. 
Puma, note on the genus, 336. 
Pycnarmon, new species of, 374. 
Pyralid, new, 201, 265, 369. 
Racheospila, new species of, 115, 
Rana, new species of, 413. 
Rattus, new species of, 198. 
Rhabdepyris, new species of, 105. 
thagomys, characters of the new 
genus, 192. 
Rhegaster, note on the genus, 166. 
Rhipidomys, on the §8.-American 
rats allied to, 192. 
Richardson, L., on the inferior oolite 
of the Crewkerne district, 327. 
Sabera, new species of, 223. 
Salatura, new subspecies of, 157. 
Salpinx, new species of, 407. 
Sauris, new species of, 68. 
Scieroptera, new species of, 325, 
Scolia, new species of, 354. 
Scoparia, new species of, 280. 
Sowerby, A. de C., on a newsspecies 
of shrew from Corea, 317. 
Spalax, new subspecies of, 315. 
Spaniocentra, new species of, 115. 
Spheropyx, new species of, 245. 
Sphingidee, new, 230, 305. 
Spinaria, new species of, 244. 
Stauropus, new species of, 59. 
Stebbing, Rev. T. R. R., on S.-A fri- 
can Talitride, 435. 
Stegnobrisinga, note on genus, 428, 
Stenia, new species of, 216, 265. ~ 
Sufetula, new species of, 373. 
Swinhoe, Col. C., on new Indo- 
Malayan lepidoptera, 157, 407. 
Swinnerton, Prof. H. H., on the 
development and morphology of 
the ammonite septum, 135. 
Symphyla, on some British, 360. 
Syngamia, new species of, 379. 
Synodontis, new species of, 367, 
Tabidia, new species of, 376. 
Tachysphex, new species of, 293. 
Tachytes, revision of the Ethiopian 
species of, 1; new species of, 290. 
Talbot, G., on new heterocera from 
Dutch New Guinea, 50; on new 
lepidoptera from Waigeu, Dutch 
New Guinea, and Biak, 216, 
Taragama, new species of, 81. 
INDEX. 
Tecupa, characters of the new 
genus, 410. 
Tembandumba, characters of the new 
genus, 186. 
Terpnosia, new species of, 323. 
Tettigoniella, new species of, 190, 
Thalassodes, new species of, 121. 
Thibetia, characters of the new 
genus, 231. 
Thomas, O., on the geographical 
races of Galago crassicaudatus, 
47; on small mammals from the 
delta of the Parana, 95; on the 
S.-American rats allied to Ory- 
zomys and Rhipidomys, 192; on 
two new rats of the Rattus con- 
fucianus group, 198; on a new 
agouti from British Guiana, 259 ; 
on anew Mustela from Java, 201 ; 
notes on agoutis, 810; on a new 
Heliophobius from Rhodesia, 314 ; 
on the Spalax of the Grecian 
Archipelago, 315; on a new rat of 
the genus Mylomys, 362; note on 
Georychus and its allies, 441. 
Trabala, new species of, 80. 
Trichzlurus, note on the genus, 335. 
Triepeolus, new species of, 300. 
Trithyris, new species of, 381. 
Tritoma, new species of, 149. 
Tritylodon longzevus, on the skull of, 
283. 
Trueman, A. E., on the development 
and morphology of the ammonite 
septum, 155. 
Turner, R. E., wasps of the genus 
Tachytes inhabiting the Ethiopian 
region, 1; hymenopterous families 
Bethylide and Rhopalosomide, 
101; Braconide in the B.M., 241 ; 
fossorial hymenoptera, 289, 35], 
357. 
Urapteroides, new species of, 229. 
Ursidz, on a new genus of, 128. 
Varicorhinus, new species of, 364, 
Waterston, J., on the hymeno- 
pterous families Bethylide and 
Xhopalosomide, 101. 
Xylophanes, new species of, 306. 
Zagiridia, new species of, 275. 
Zethes, new species of, 53, 161. 
Zibethailurus, note on genus, 541. 
END OF THE TWENTIETH VOLUME, 
PRINTED BY TAYLOR AND FRANCIS, 
RED LION COURT, FLEET STRERT. 
