406 



Thysanuriform type, in caterpil- 

 lars, 62. 65, 66, 67, 68. 72. 93. 



Tiger beetles, 192, et passim. 



Tiger moths, 106. 



Tillus, form of, 333. 



Tineidae, 108. 



Tingi, family of the, 121. 



Tiphia, 268. 



Titanus gigas, 283. 



Tomicus, 276. 



Tortoise beetles, 116. 149. 202. 



Tort-rices, 98. 108. 



Tortricidae, 107. 



Trachy notes, 270. 



Trichius, group of beetles, 211. 



Trichius fasciatus, 219. 



Trichoptera, order of, 56. 354. 



Trigona, 169. 



Trigonalis, 187. 



Trigonodactyla, 261. 



Trigonopsis, a rare genus, 181. 



Trilobites, 392. 



Trogidze, the, 212. A division of 

 terrestrial Scarabs, 234. Uni- 

 versal distribution of, 236. 256. 



Trogosita, 276. 



Trox luridus. 234. 



Tubicinella, 32. 



Tubicoles, 20. 22, 23. 



Tubifex, 23. 



V. 



Vanessa lo, 119. 

 Velia 117. 125. 



Velleius, serrated antennae of, 271. 



Vermes, the class, 7. 9. 69. The 



genuine annulose, 8. Naked, 16. 



27. White-blooded, 26. Body 

 cylindrical, presenting no sem- 

 blance of a disc, 27. Filaria the 

 most simple, and Taenia the most 

 complicated, 28. The family Tae- 

 nioidea typical of the Vermes, 



28. Analogy of Vermes to the 

 humming-birds, 34. Simplicity 

 of formation in, 36. 



Vermetus, 22. 



Vermiform type, 61. 65. 69. 72. 

 Verrucivorus Decticus, 349. 

 Vertebrata, 1. Analogies of, 9. 12. 

 34. 65. 279. 



Vespa, the genus, 183185, V. 



Ephippium, 182. V. Lechegua. 



na, 183. 

 Vespida?, social, 180. The group 



described, 182. The Solitary Ves- 



pidae, 182. Aberrant, 184. 



W. 



Wasp beetles, 210. 



Wasps, of, 79. 151. 177. 182185. 



Water beetles, 115. 192. 248. 



Water cicadas, 129, 130. 



Water flea, the, 37. 



Wax, production of, 169. 325. 



Webs, insects', 78. 102. 380. 



Wing cases of insects, 197. See 

 Elytra. 



Wood-louse, the, 62, 68. 392. 



"Worms, general character of, 3. 

 The red-blooded, or Annelides, 

 5, 6. 20. The intestinal Tamioi- 

 dea, Entozoa, &c., 7. 69. Earth- 

 worms represent the Annelides; 

 fape-worms the class Vermes ; 

 barnacles the Cirrhipedes, 7. The 

 Lumbricus, 23. Vermes, oran- 

 nuloseworms,26, 27. Glow-worms 

 319. 



X. 



Xanthiae, moths, 109. 



Xenos, the genus, 352. 



Xya, a burrowing insect, 348. 



Xylina, 110. 



Xylocopa, genus, 167. X. latipes, 



167. X. teredo, 129. 

 Xylophagi, 276. 

 Xylotrupes, 216. 



Z. 



Zethus, long slender petiole of, 182. 



Zoe, 392. 



" Zoological Researches" by Mr. 



Thompson, 39. 

 Zyganidae, the clear-winged, of 



Brazil, 92. 102. 



THE END. 



LONDON : 



SPOTTISWOODES and SHAW, 

 New-street- Square. 



