INDEX TO NEW GENERA AND SUBGENERA. 
21 
Villanovanus, Distant , Ins. 324 
Visma, Dali and Bartsch , Moll. 84 
Yolkelius, Distant, Ins. 329 
Yoluspa, Dali and Bartsch, Moll. 84 
Yulnus, SyJces, Moll. 66 
Wagneriana, Cambridge, Arachn. 30 
Westerlundia, Kobelt , Moll. 67 
Westermannias, Kirkaldy, Ins. 322 
Westwoodella, Ashmead, Ins. 233 
Westwoodiella, Szdpligeti , Ins. 225 
Wettsteinia, Dalla Torre, Ins. 209 
Willistoniella, Meunier, Ins. 126 
Xanium, Endcrlein , Ins. 181 
Xanthoatomus, Ashmead , Ins. 233 
Xanthomelanus, Ashmead, Ins. 233 
Xanthomicrodus, Cameron , Ins. 225 
Xenapates, Eaton, Ins. 302 
Xenocara, Regan, Pisces 46 
^Xenogramma, Waite, Pisces 33 
Xenolina, Jacoby , Ins. 195 
Xenomacrus, Faust, Ins. 181 
Xenopelidnota, Bates, Ins. 156 
Xenotherium, Ameghino, Mamm. 
49 
Xerociris, Cockerell, Ins. 271 
Xestopsylla, Baker, Ins. 314 
Xosa, Kirkaldy, Ins. 315 
Xosias, Kirkaldy, Ins. 332 
Xosophora, Kirkaldy, Ins. 332 
Xosopsaltria, Kirkaldy, Ins. 332 
Xylecata, Swinhoe, Ins. 265 
Xystocheir, Cook, Myr. 14 
Yanga, Distant , Ins. 332 
Zagrammosoma, Ashmead, Ins. 233 
Zaischnopsis, Ashmead, Ins. 233 
Zanchisme, Kirkaldy, Ins. 324 
Zanchius, Distant , Ins. 329 
Zanophara, Kirkaldy, Ins. 336 
Zaommomyia, Ashmead, Ins. 233 
Zapata, Bruner , Ins. 362 
Zelinkia, Giard, Verm. 56 
Zenida, Mabille, Ins. 252 
Zethoides, Cameron, Ins. 209 
Zeuctostyla, Warren, Ins. 286 
Zophopetes, Mabille, Ins. 252 
Zygacantha, Popofsky, Prot. 52 
Zygapophysia, Popofsky , Prot. 52 
Zygolonche, Popofsky, Prot. 52 
Zygolonchidium, Popofsky , Prot. 52 
Zygoptera, Popofsky, Prot. 52 
CORRIGENDA. 
Gen. Sub., p. 46, Title 805, for “ Sohoetensack ” read “ Schoetensack.” 
Insecta, p. 133, line 6 from bottom* for “ Annommatophilus ” read 
‘ ‘ A nommatophilus. ” 
„ p. 145, line 4, for “ Blatrodromus ” read “ Blattodromus .” 
„ p. 173, line 17 from bottom, for “ Centorrhynchus ” read “ Ceutor - 
rhynchus .” 
„ p. 217, line 11, for “ Sympheisole” read “ Sympheidole” 
„ p. 231, line 2, for u Pestasmicra ” read “ Pentasmicra.” 
END OF THE FORTY-FIRST VOLUME. 
CAMBRIDGE : PRINTED BY JOHN OLAY, M.A. AT THE UNIVERSITY PRESS. 
