Thalassicola, 31 

 Thaliacea, 287 

 Theridion, 244 

 Thorny corals, 1 13 

 Threadworm, 138 

 Thyone, 275 

 Ticks, 249, 253* 

 Tiger cowrie, 184* (58) 

 Tivela, 189 

 Tjalfiella. 118 

 Tokophrya, 54 

 Tooth shell. 158*, 193 

 Tracheae, 228 

 Trachelobdclla. 225 

 Trachyline medusas, 74 

 Tree snail, 183, 188* 

 Trematoda, 124 



"Trepang," 274, 275* 

 Trichina worm, 136 

 Trichinelhi. 136, 137* 

 Trichodina. 54 

 Trichomonads, 27 

 Trichomonas, 28 

 Trichonympbu, 28 

 Triclads, 121 

 Tridacna. 192, 196* 

 Triopha ( 67 ) 

 Tripneustes. 283 

 "Tripoli stone," 32 

 Trochophore, 156 

 Trombicula, 251 

 Tropiometra, 256 

 Trypanosoma, 27* 

 Trypanosomes, 26, 27* 



Trumpet shell, 181 



Tsetse fly, 27 



Tubasirea, 1 1 1 



Tube anemones, 104, 114 (32) 



Tube-foot, 255 



Tube shell, 177 



Tube worm, ( 82) 



Tubifex. 200, 206 



Tubipora, 101 



Tubulanits, 132* (37) 



Tubularia, 72 (5) 



Tubiilipora, 153 



Tunicates ( 144) 



Turbalrix, 135 



Turbellaria, 120 



Turbellarians, 119*, 120 



Tyrian purple, 181 



u 



V 



Uca. 240 (100) 

 Umhellida. 103 

 Vnio. 192 

 Urechis. 157 

 Urnatella, 143 

 Urochordata. 286 

 Urosalpinx, 1 8 1 



Vacuole, 5 1 



Vampire squid, 199 



Vampyroteuthis, 198 



Velamen, 118 



Veklla. 75 



Velum, 70 



Velvet worms, 226*, 227 



Venom, 245 



Venus, 190 



Venus" flower basket, 61* 



"Venus' girdle." 115*, 118 

 Veretillum. 103 (10) 

 Vermicularia. 180 

 Viclorella. 153 

 Vinegarone (105) (106) 

 Virguloria. 103 

 Vitamins, 231 

 Volvox. 25, 26* 

 Vorticella, 54, 55* 



w 



X 



Wampum. 190 



Water fleas, 226*. 230* 



Water spider, 244 



Water-vascular system, 254 



Webs, 243 



Wedge shells, 191* 



Whate louse, 235 



Wharf louse, 234 



"Wheel animalcules," 138 



Wheel snails, 182 



Whelks, 177, 180 (104) 

 Whipscorpion, 248, 251* (105), 



(106) 

 Whipworm, 138 

 "Whiteweed," 69, 71 

 "Wireworm." 241 

 Worm shell, 180 

 Wrinkled purples (54) 



Xiphosura, 242 



Zirfaea. 190 

 Zoantharia, 104 

 Zoantharians, 98 

 Zoanthids, 104. 113 (30) 

 Zoochorellae. 22 

 Zoomastigina. 26 

 Zoothamnium, 54 

 Zooxanthellae, 22, 111 



[303 



