XIPHIOR. — XYLON. 
Xiphiorhynclius, Van Beneden , ’71, Pisces; 
[S. W.] 
Xiphirhynchus, Blyth, ’42, Aves; [F. W.] 
Xiphistos, Jordan & Starlcs , ’95, Piscos 
2G 
Xipkoctonus, Gistl, ’48, Rep. ; N. T. 
p. xi 
Xiphodictya, Haeckel , ’81, Prot, 20 
Xiphodolamia, Leidy, ’77, Pisces ; [S. W.] 
Xiphogona, Cook Collins, ’95, Myr. 23 
Xipliolona, Ologer , ’42, Aves; Hand. 
Ililfsb. Naturg. p. 320 
Xiphomyrmcx, Forel, ’87, Ins. 190 
Xiphopheromyia, Bigot, ’92, Ins. 292 
Xiphoptera, Haeckel, ’81, Prot. 20 
Xiphorhynchus, Le'ger, ’93, Prot. 32 
Xiphosaga, Saussure, ’88, Ins. 321 
Xipliospkaera, Haeckel, ’81, Prot. 19 
Xiphostylus, Haeckel, ’81, Prot. 19 
Xiphotouthis, Owen, ’81, Moll. 35 
Xistra, Bolivar, ’87, Ins. 322 
Xolalges, Trouessart, ’87, Araclin. 28 
Xomana, Giglio-Tos, ’98, Ins. 295 
Xotodon, Ameghino, ’87, Mamin. 40 
Xotoprodon, Amegliino, ’91, Mamm. 36 
Xoutkous, Thomson, ’82, Crust. 39 
Xulora, Walker, ’55, Lop. ; List pt. 5 
p. 1071 
Xybarida, Baffray, ’97, Ins. 104 
Xybaris, Beitter, ’82, Ins. 52 
Xylariopsis, Bates, ’84, Ins. 108 
Xylena, Hiibner, ’06, Lep. ; Tentamen 
Xyletlirus, Simon, ’95, Araclin. 37 
Xylctobius, Sharp, ’81, Ins. 66 
Xyleus, Gistl, ’48, Orth.; N. T. p. xi 
Xylica, liarsch, ’98, Ins. 285 
Xylinopliorus, Faust, ’86, Ins. 166 
Xylinopliylla, Warren, ’98, Ins. 234 
Xylobiops, Casey, ’98, Ins. 142 
Xylobucco, Bonaparte, ’50, Aves; [F. W.] 
Xylochus, Broun, ’80, Ins. 66 
Xylococcus, Low, ’82, Ins. 291 
Xylocrabro, Aslimead, ’99, Ins. 175 
Xylocrypta, Kieffer, ’99, Ins. 233 
Xyloiulus, Cook, ’95, Myr. 8 
Xylolepes, Cahanis, ’63, Aves; [F. W.] 
Xylolocha, Warren, ’95, Ins. 316 
Xylomoia, Staudinger, ’92, Ins. 260 
Xylonannus, Beuter, ’94, Ins. 356 
Xylonomus, Foerster, ’88, Ins. 194 
XYLOP.— YOLA 
Xylopagurus, Milne-Edwards, ’80, Crust. 
29 
Xyloperga, Shipp, ’94, Ins. 245 
Xylopliila, Lamarck, ’17, Col. ; [Bergrotli] 
Xylopbrurus, Foerster, ’88, Ins. 194 
Xylopogon, Temminck, ’55, Aves ; [F. W.] 
Xylorycta, Meyriclc , ’90, Ins. 271 
Xyloscia, Warren, ’94, Ins. 319 
Xylostiba, Ganglbauer, ’95, Ins. 131 
Xylostygnus, Broun, ’86, Ins. 138 
Xylolacliina, Brauer it Bcrgcnstamm, ’92, 
Ins. 299 
Xylotkeca, Beitter, ’97, Ins. 129 
Xylotlierium, Mercerat, ’91, Mamm. ; [T.] 
Xynedria, Blackburn, ’94, Ins. 141 
Xynophron, Harold, ’80, Ins. 44 
Xynotropis, Blackburn, ’00, Ins. 172 
Xyo, Cobb, ’98, Yermes 54 
Xvopliorus, Ameghino, ’87, Mamm. 52 
Xyphinus, Simon, ’95, Araclin. 37 
Xyphorliynchus, Wagler, ’30, Opli. ; [13.] 
Xypkostaurus, Vinassa, ’98, Prot. 19 
Xyrauclien, Kirsch , ’89, Pisces 24 
Xyridacma, Meyriclc, ’88, Ins. 252 
Xyronotus, Bolivar, ’84, Ins. 295 
Xysmatodoma, Zeller, ’52, Lep. [Berg- 
rotk] 
Xystcs, Jordan <fc Starks, ’95, Pisces 24 
Xystodesmus, Cook, ’95, Myr. 22 
XystonoLus, Wolcott, ’00, Araclin. 38 
Xystopkora, Heine, ’76, Lep.; [Durrant] 
Xystoteras, Aslimead, ’97, Ins. 186 
Xystra, Gistl, ’48, Coil. ; N. T. p. x 
Xystreurys, Jordan , ’81, Pisces 18 
Xystrocarabus, Beitter, ’96, Ins. 110 
Xystrodus, Plieninger, ’60, Pisces ; [S. W.] 
Xystroporca, Jordan tfc Evermann, ’96, 
Pisces 18 
Xystrosus, Jordan & Snyder, ’00, Pisces 26 
Xystrota, Hulst, ’96, Ins. 263 
Y AGANSIA, Micliaelsen, ’99, Vermes 31 
Yanguna, Watson, ’93, Ins. 243 
Yarrella, Goode Bean, ’96, Pisces, 35 
Yasoda, Doherty, ’89, Ins. 225 
Yasoda, NicCville, ’90, Ins. 221 
Yelicones, Cameron, ’87, Ins. 197 
Yetodesia, Bigot, ’82, Ins. 250 
Yrnnis, Des Gozis, ’86, Ins. 149 
Yola, Des Gozis, ’86, Ins. Ill 
( 397 ) 
