358 QUESTIONS. 



203. What are the more important Insects which pass through no meta- 

 morphosis ? 



204. 'The chief characters of the Hemiptera ? Give examples. 



205. What are " hemelytra ? " 



208. The chief characters of the Orthoptcra ? Give examples. 



207. The chief characters of the Neuroptera? Give examples. 



208. What members compose a colony of White Ants or Termites ? 



209. The chief characters of the Aphaniptera ? Give an example. 



210. The chief characters of the IHptera? Give examples. 



211. The chief characters of the Lepidoptera? 



212. Characters of the larvae of Lepidoptera ? 



213. What characters distinguish Butterflies and Moths respectively? 



214. Chief characters of Hymenoptera ? Give examples. 



215. Give some account of the social communities of Bees and Ants ? 



216. What is the condition of the wings in Strepsiptcra ? 



217. Chief characters of Coleoptera ? Give examples. 



218. What are " elytra ? " 



219. Mention a useful Beetle. 



220. Chief characters of the Mollusca? 



221. Condition of nervous system in Mollusks ? Of circulatory system ? 

 Of breathing-organs ? Of digestive system ? 



222. Primary divisions of Mollusca, and the characters of these ? 



223. Chief characters of the Polyzoa ? 



224. Explain the term " polypide ? " 



225. How is the polypide of a Polyzobn distinguished from the polypite 

 of a Hydrozoon ? 



226. Structure of a single " polypide. " 



227. What are " bird's-head processes," and to what may they be com- 

 pared ? 



228. What general distinction is there between the fresh-water and marine 

 Polyzoa ? 



229. Chief characters of Tunicata ? 



230. Nature of the " test ? " 



231. Structure of the heart in Tunicata? 



232. Distinctions between simple, social, and compound Tunicates ? 



233. Chief characters of Brachiopoda ? 



234. Nature of the shell, as compared with that of Bivalves ? 



235. Structure and nature of the " arms ? " 



236. Chief characters of the Lamdlibranchiata ? Give examples. 



237. Nature and uses of the " foot ? " 



238. Nature, uses, and number of the " adductor muscles ? " 



239. What are the " muscular impressions " and the " pallial line ? " 



240. Structure and mode of opening, and connection between, the 

 valves ? 



241. Structure of the respiratory organs ? 



242. Nature and uses of the " respiratory siphons ? " 



243. Condition of circulatory system ? Of digestive system ? 



244. Condition of young when first hatched ? 



245. Chief characters of the Gasteropoda ? Give examples. Why spoken 

 of as " univalves .*" 



246. What is the " operculum ? " 



247. Compare the Gasteropoda with the Lamellibranchiata as regards the 

 head. 



248. What is the nature of the " odontophore ? " 



