12 
Thoracostomopsis Dillevsen Venn. 24 
Thorictosoma Lea Ins. 133 
Thuiella Stechow Coel. 12 
Thunbergia Horvdth Ins. 241 
Thurberiphaga Dyar Ins. 186 
Thylacognathus Kertdaz Ins. 219 
Thyranthrene Hampson Ins. 182 
Thysanogyna Crawford Ins. 257 . 
Thysanuchus Bergroth Ins. 245 
Tiarellacerithium Charpiat Moll. 35 
Timoria Kaye Ins. 180 
Tinginotopsis Poppius Ins. 251 
Tingitana Pallary Moll. 49 
Togocyaraus Oppenheim Echin. 1 1 
Tolongia Poppius Ins. 251 
Topomeigenia Townsend Ins. 231 
Tortigulella Pilsbry Moll. 46 
Trachymantis Methuen Kept. 1 1 
Tradescanticola Hampson Ins. 182 
Trapezonalis Szepligeti Ins. 163 
Traustedtia Metcalf Prochord. 3 
Trematura Berlese Arachn. 20 
Triamyia Dyar Ins. 214 
Triassoblatta Tillyard Ins. 268 
Trichelobracbium Kieffer Ins. 167 
Trichiomorphus Bourgoin Ins. 124 
Trichocathaioa Oude Moll. 49 
Tricholaba Rilbsaamen Ins. 206 
Tricholocelaena Berlese Arachn. 20 
Trichophassus Le Cerf Ins. 184 
Trichosphaeriestes Blair Ins. 134 
Trichotopteryx Townsend Ins. 231 
Tricladia Mercet Ins. 170 
Tricylusa Stechoio Coel. 12 
Tridemula Horvdth Ins. 246 
Trigonodiplosis Riibsaamen Ins. 206 
Trigonolaimus Ditlevsen Verm. 24 
Trimerocrinus Wanner Echin. 16 
Triodontella Reitter Ins. 122 
Trischidooera Villeneuve Ins. 231 
Tritobrachia Enderlein Ins. 173 
Trochiloglossa Townsend Ins. 231 
Trogasteropsis Dodero Ins. 115 
Trogloapalochrus Pic Ins. 130 
Trogloglanis EigenmannV\s,Go^ 14 
Trypheroraimus Pic Ins. 130 
Turnebiclla Poppius Ins. 251 
Tympauospinolus Berlese Arachn. 20 
Typhogenes Meyrick Ins. 199 
Udeocoris Bergroth Ins. 241 
Ulmeria Navds Ins. 200 
Unagius Jordan Pisces 17 
Uncinereis Chamberlin Verm. 33 
Unilachnus Wilson Ins. 258 
Urochaetona Townsend Ins. 231 
Urocleaii/ordaa Pisces 11 
Urodexoides Townsend Ins. 231 
15 voB\p\ion‘ Chamberlin Verm. 33 
Valentinella Grandi Ins. 170 
Varicostele Pilsbry Moll. 46 
Verater Jordan Pisces 17 
Vertillaria Pilsbury Moll. 50 
Vetora Schouteden Ins. 240 
VibrisBovoria Townsend Ins. 231 
Vicarihelix Pilsbry Moll. 49 
Vicininodiceras Trueman Moll. 61 
Vigil Jordan Pisces 17 
Vinetifer Jordan Pisces 11 
VVachtliella Rubsaamen Ins. 206 
Warsanglia Clarke Aves 67 
Wheeleripone Mann Ins. 156 
Wilsonia Baker Ins. 258 
Wombalia Schouteden Ins. 242 
Wubana Chamberlin Arachn. 17 
Xanthoactia Toiofisend Ins. 231 
Xanthooestrus Villeneuve Ins. 226 
Xenhybona Santschi Ins. 156 
Xenicopsoides Cory Aves 59 
Xenobolus Carl Myr., Arachn. 26 
Xenogale Allen Mam. 20 
Xenogobius Metzelaar Pisces 16 
Xeoprosopa Townsend Ins. 231 
Xestonotellus Horvdth Ins. 24 1 
Xestonotidea Gahan Ins. 170 
Xiphiozona Berry Moll. 27 
Xironodrilus Ellis Verm. 34 
Xironogiton Ellis Verm. 34 
Xyne Jordan & Gilbert Pisces 12 
Xyrinius Jordan & Gilbert Pisces 15 
Xystomima Villeneuve Ins. 226 
Xystrologa Meyrick Ins. 109 
Yabeina Deprat Prot. 21 
Yseria Gedoelst Verm. 24 
Zagryphus Cushman Ins. 163 
Zahonya Oye Verm. 26 
Zanetidites Jordan & Gilbert Pisces 16 
Zavreliella Kieffer Ins. 211 
Zcloja Melichar Ins. 254 
Zimirina de Dalmas Arachn. 15 
Zonitotrochus Pilsbry Moll. 47 
Zonodorellus Poppius Ins. 251 
Zonodoropsis Poppius Ins. 251 
Zorcadium Bergroth Ins. 240 
Zosteromeigenia Townsend Vos,. 231 
Zoufalia Reitter Ins. 115 
Zymologa Meyrick Ins. 199 
