INDEX TO NEW GENERA AND SUBGENERA. 
15 
Tricyclidiuin, Ilceckelj Prot. 19 
Tridictyopus II „ „\S[Hert- 
wig, Denk. Ges. Jena, ii. (1879) 
p. 203] 
Trigonactura, Hceclcel^ Prot. 20 
Trigonochlamys, Bottger, Moll. 63 
Triisodon, 602 ^ 6 , Mamm. 18 
Trilampterium, Hoichel, Prot. 19 
Triocnemis, Grote^ Ins. 199 
Triopyle, Hoickel, Prot. 20 
Triospyris 
Triostephus 
Tripilidium 
Triplagia 
Triplecta 
Tripleurium 
19 
19 
18 
18 
18 
18 
Triplopus, Cope, Mamm. 20 
Tripocalpis, Ilmckel, Prot. 18 
Tripocoronis ,, „ 19 
Tripocyclia „ „ 20 
Tripodictya „ „ 20 
Tripodiscium „ „ 18 
Tripodiscus || „ „ 18 \Ehren- 
herg, Prot. 1840] 
Tripodocorys, Hceckel, Prot. 18 
Tripodospyris „ „ 19 
Triprionium „ „ 18 
Tripterocalpis „ „ 18 
Trissocircus „ ,, 19 
Trissocircus || „ „ 19 
Trissocyclus ,, „ 19 
Trissopilium „ „ 18 
Tristephaniscus „ „ 19 
Tristylospyris „ „ 19 
Trisuloides, Butler, Ins. 181 
Tritaxeopus, Owen, Moll. 34 
Trochovitrina. Bottger, Moll. 64 
Tropidophora II, Jeffreys, Moll. 85 
[J. Thomson, Col., 1858 ; - rus, 
Dumeril, Kept. 1839] 
Trypheromera, Butler, Ins. 180 
Tubella, Carter, Spong. 10 
Tubulodigitus, Carter, Spong. 9 
Tuerckheimia, Dewitz, Ins. 209 
Turcicula, Ball, Moll. 55 
Tutufa, Jousseaume, Moll. 47 
Tylaster, Danielssen, Ech. 7 
Tyloptera \\,Cli7'istoph, Ins. 209[-rus, 
Leconte, Col. 1876] 
Tympanium 1|, Hoickel, Prot. 19 
[^Ranzani, Pise. 1839] 
Tyranneutes, Sclater, Aves, 41 
Udaspes, Moore, Ins. 168 
Urceolopora, MacGillivray, Moll. 
102 
Uroebaris, Salvadori, Aves, 37 
Urocichla, Sharpe, Aves, 33 
Urodynamis, Salvadori, Aves, 43 
Urugiiaya, Carter, Spong. 10 
Utopuia, Reuter, Ins. 289 
Uvea, Fauvel, Ins. 28 
Uzagaria, Ancey, Ins. 70 
Vandana, Moore, Ins. 199 
Vata, Fauvel, Ins. 25 
Venassa, Martens, Moll. 41 
Veruina, Wallengren, Ins. 240 
Yirachola, Moore, Ins. 164 
Vitibia, Fahmiaire, Ins. 100 
Xautliiosphsera, Jlceckel, Prot. 21 
Xanthochroina, Ganglbauer, Ins. 76 
Xeloma, Kraatz, Ins. 55 
Xenaspis, Osten-Sacken, Ins. 251 
Xenocera ||, Broun, Ins. 66 [-rus, 
Germar, Coleopt. 1833] 
Xiphodictya, Hceckel, Prot. 20 
Xiphoptera [| „ „ 20[-rus, 
Agassiz, Pise. 1843] 
Xiphosphgera, Hceckel^ Prot. 19 
Xiphostylus „ „ 19 
Xiphoteuthis, Owen, Moll. 35 
Xyletobius, Shai’p, Ins. 66 
Xystreurys, Jordan, Pise. 18 
Zapteryx, Jordan, Pise. 7 
Zarhipis, Leconte, Ins. 63 
Zeatyrus, Sharp, Ins. 38 
Zizera, Moore, Ins. 164 
Zonabris, Harold, Ins. 74 [omitted 
from Index, Zool. Ree. xvi.] 
Zonitides, Aheille, Ins. 75 
Zonosoma||, Butler,lns,. 180 [Lec?e- 
rer, Geometridae, 1850 ; Loew, 
Dipt. 1862] 
Zophophilus, Fairmaire, Ins. 71 
Zygartus, Hmckel, Prot. 20 
Zygoeireus, Butschli, Prot. 21 
Zygonopus, Ryder, Myr. 5 
Zygostephaniseus, Hceckel, Prot. 19 
Zygostephus „ „ 19 
END OF THE EIGHTEENTH VOLUME. 
London ; Printed by Simmons & Botten, Shoe Lane, Fleet Street. 
