41 
N 
Symphyla. . 
3431 
Trepostomata 
. . 2031 
Tables 
0030 
Trichoplax 
. . 1231 
Taenioglossa 
2231 
Trichoptera 
. . 3800 
Tardigrada 
. . 
2800 
Trigonalidae 
. .. 4631 
Taxonomy, General 
, . 
0231 
Trilobita . . 
Technique 
. , 
0090 
Tubinares 
. . 6831 
Tectibranchiata . . 
# , 
2231 
Tubulifera 
. . 4631 
Tegument. . 
. . 
0207 
Tunicata . . 
. . 5000 
Telegony . . 
# . 
0223 
Turbellaria 
. . 1231 
Teleostei . . 
5431 
Ungulata . . 
Teleostomi 
# ( 
6431 
Urodela . . 
Tenthredinidee 
4631 
Utility 
. . 0060 
Teratological Variations. . 
, # 
0223 
Variation . . 
. . 0223 
Termitidee 
# # 
3831 
V ertebrata 
. . 5200 
Tetractinellida 
, # 
0631 
Vespidre .. 
. . 4631 
Text Books 
. # 
0030 
Vestigial Organs . . 
. . 0207 
Thoracostraca 
, . 
2631 
Voice 
. . 0219 
Thysanoptera 
3600 
Xiphosura 
. . 2800 
Tbysanura 
3631 
Zoantharia 
. . 0831 
Tillodontia 
6031 
Zoology, Comprehensive 
0000-0231 
Time of Appearance, Variations in 
0223 
Geographical 
. . 0227 
Toxoglossa 
. . 
2231 
Special 
0403-6031 
Treatises, General 
0030 
Topographical 
. . 0227 
Trematoda 
•• 
1231 
Zygodactylro . . 
. . 6831 
