NO. 2134. NORTH AMERICAN COLLEMBOLOUS INSECTS— FOLSOM. 525 



Plate 23. 



Fig. 217. Paranura caeca, mandible, X 1230. 



218. Paranura caeca, maxilla, X 12.30. 



219. Paranura caeca, right fore foot, X 4G0. 



220. Paranura caeca, left liind foot, X 525. 



221. Paranura caeca, dorsal seta of first abdominal segment, X 85. 



222. Neanura mv^corum, eyes of left side, X 197. 



223. Neanura inu^corum, left fore foot, X 2G0. 



224. Neanura mu^corwn, tubercle of head, X 197. 



225. Neanura muscorum, maxilla, X 840. 



226. Neanura gigantea, eyes of left side ,X 95. 



227. Neanura gigantea, left postantennal organ , X 325. 



228. Neanura gigantea, hind foot, X 74. 



229. Neanura viagna, diagram of tubercles of fourth and fifth abdominal seg- 



ments, X 23. 



230. Neanura magna, left hind foot, X 240. 



Plate 24. 



Fig. 231. Neanura scrrata, eyes of right side, X 260. 



232. Neanura senata, oU'actory hairs of fourth antennal segment of left side, 



X 490. 



233. Neanura senata, sense organ of third antennal segment of right side, X 840. 



234. Neanura serrata, right hind foot, X 260. 



235. Neanura serrata, serrate seta, X 260. 



236. Neanura ornata, head; eyes indicated by c, e, c, X 74. 



237. Neanura ornata, left antenna, X 95. 



238. Neanura ornata, ventral aspect of head, X 45. 



239. Neanura ornata, metanotal setae , X 325. 



240. Neanura ornata, left fore foot, X 275. 



Plate 25. 



Fig. 241. Neanura quadrioculata, dorsal aspect of head, X 85. 



242. Neanura quadrioculata, eyes of left side, X 490. 



243. Neanura quadrioculata, oUactory hairs of right antenna, X 490. 



244. Neanura quadrioculata, ventral aspect of head, X 85. 



245. Neanura quadrioculata, left hind foot, X 735. 



246. Podura aquatica, eyes of left side, X 260. 



247. Podura aquatica, sense organ of third antennal segment of right side, X 460. 



248. Podura aquatica, left foot, X 260. 



249. Podura aquatica, left aspect of tenaculum, X 377. 



250. Podura aquatica, right mucro, X 490. 



