488 
Theodosia, new species of, 452. 
Thomas, Mrs. M. K., on new species 
of Iletica, 158. 
Thomas, O., on a new Sciuropterus, 
30; on anew Bornean Tupaia, 53 ; 
on a new species of Nandinia, 205 ; 
on new North-Bornean Mammals, 
230; on new species of Heteromys 
and Neotoma, 253; on two new 
Rodents, 267 ; on some species of 
Geomys, 269, 
Thomson, G. M., on a terrestrial 
Isopod from } New aed, 225. 
Thosea, new species of, 211. 
Tityus, new species of, 313. 
Tomes, R. F., on the affinities of the 
genus Astroceenia, 332; on a new 
genus of Madreporaria, 332, 
Trachydermon ruber, new variety of, 
361. 
Trapezites, new species of, 434. 
Triconodon ferax, on a tooth of, 275. 
Trondhjem Fiord, a month on the, 
340, 441. 
Trophon clavatus, remarks on, 356. 
Tunicata from Trondhjem Fiord, on 
some, 445. 
Tupaia, new species of, 53, 
Turtles, marine, on the development 
of the branchial pouches in, 477. 
END OF THE TWELFTH 
INDEX. 
Tychotyrus, characters of the new 
genus, 168. 
Tyrogetus, characters of fie new 
genus, 165. 
Ukko (=Jumala), notes on species 
of, 352. 
Uriechis, new species of, 273. 
Urodacus, new species of, 321. 
Urophonius, characters of the new 
genus, 100. 
WwW ‘alford, FE. A., on Cheilostomatous 
Bryozoa from the Middle Lias, 
BYor: 
Vv0O. 
Weber, M., on the origin of hair and 
on scales in Mammals, 1. 
Wethered, E., on the microscopic 
structure of the Wenlock Lime- 
stone, 70. 
Woodward, A. S., Paleichthyologi- 
cal notes, 281; on fossil fishes 
from South Africa, 395; on some 
British Upper Jurassic _ fish-re- 
mains, 398. 
Zamarada, new species of, 155. 
Zamenis, new species of, 459, 
Zaplutus, characters of the new 
genus, 119. 
Zeacalles, characters of the new 
genus, 379, 
VOLUME. 
PRINTED BY TAYLOR AND FRANCIS, 
RED LION COURT, FLEET STREET. 
