488 



INDEX. 



Theodosia, new species of, 452. 

 Thomas, Mrs. M. K., on new species 



of Iletica, 138. 

 Thomas, 0., on a new Sciuropterus, 



80 ; on a new Bornean Tupaia, 53 ; 



on a new species of Nandinia, 205 ; 



on new North-Bornean Mammals, 



230 ; on new species of Heteromvs 



and Neotoma, 233 : on two new 



Rodents, 2(i7 ; on some species of 



Geomys, 2G9. 

 Thomson, G. M., on a terrestrial 



Isopod from New Zealand, 225. 

 Thosea, new species of, 211. 

 Tityus, new species of, 313. 

 Tomes, R. F., on the iiffinities of the 



^enus Astrocoenia, 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 moutli on the, 



340, 441. 

 Trophon clavatus, remarks on, 356. 

 Tunicata from Trondhjem Fiord, on 



some, 443. 

 Tupaia, new species of, 53. 

 Turtles, marine, on the development 



of the branchial pouches in, 477. 



Tycbotyrus, characters of the new 

 genus, 168. 



Tyrogetus, characters of the new 

 genus, 165. 



Ukko ( = Jumala), notes on species 

 of, 352. 



Uriechis, new species of, 273. 



Urodacus, new species of, 321. 



Urophouius, characters of the new 

 genus, 100. 



Walford, E. A., on Cheilostomatous 

 Brvozoa from the Middle Lias, 

 333. 



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., Palaeichthyologi- 

 cal notes, 281 ; on fossil fishes 

 from South Africa, 393 ; on some 

 British Upper Jurassic fish-re- 

 mains, 398. 



Zamarada, new species of, 155. 



Zamenis, new species of, 439. 



Zaplutus, characters of the new 

 genus, 119. 



Zeacalles, characters of the new 

 genus, 379. 



END OF THE TWELFTH VOLUME. 



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