524 PROCEEDINGS OF THE NATIONAL MUSEUM. vol. r,0. 



Plate 20. 



Fig. 174. Pseudachorutes complezus, eyes of left side, X 1-10. 



175. Pseudachorutes complexus, Itft postantennal organ, X 450. 



176. Pseudachorutes complexus, dorsal aspect of left antenna, X 45, 



177. Pseudachorutes complexus, buccal cone, X 54. 



178. Pseudachorutes complexus, right hind foot, X 140. 



179. Pseudachorutes complexus, left dens and mucro, X 200. 



180. Pseudachorutes complexus, dorsal setae of third abdominal segment, X 54. 



181. Pseudachorutes lunatus, tyes and postentennal organ of left side, X 290. 



182. Pseudachorutes lunatus, left postantennal organ, X 840. 



183. Pseudachorutes lunatus, left fore foot, X 840. 



184. Pseudadiorutes lunatus, right dens and mucrb, X 350. 



185. Pseudachorutes lunatus, left mucro, X 840. 



186. Pseudachorutes lunatus, dorsal setae of first abdominal segment, X 290. 



Plate 21. 

 Fig. 187. Odontella ewingi, eyes of right side, X 260. 



188. Odontella ewingi 



189. Odontella ewingi 



190. Odontella ewingi 



191. Odontella ewingi 



192. Odontella eivitigi 



right postantennal organ, X 840. 

 spine from head, X 840. 

 ventral aspect of head, X 40. 

 right fore leg, X 125. 

 right fore foot, X 350. 



193. Odontella ewingi, unguis, showing lateral tooth, X 350. 



194. Odontella ewingi, dorsal aspect of dentes and mucrones, X 260. 

 dorsal setae of metathorax, X 260. 



196. Odontella ewingi, integumentary tubercles at end of abdomen, right side, X 



260. 



197. Odontella ewingi, cuticular pattern, X 840. 



Plate 22. 



Fig. 198. Anurida maritima, eyes and postantennal organ of right side, X 142. 



199. ^nwrirfa manYma, left postantennal organ, X 1230. 



200. Anurida maritima, sense organ of third antennal segment of left side. X 840. 



201. Anurida maritima, left hind foot, X 2G0. 



202. Anurida maritima, dorsal setae of second abdominal sc^gment, X 82. 



203. Anurida tullbergi, postantennal organ (after Carl). 



204. Anurida tullbergi, olfactory hairs of left antenna (after Agren). 



205. Anurida tullbergi, unguis (after Carl). 



206. Anurida amorita, eyes and postantennal organ of right iiide, X 150. 

 202. Anurida amorita, left postantennal organ, X 325. 



208. Anurida amorita, right postantennal organ, X 325. 



209. Anurida amorita, dorsal aspect of right antennal organ, X 275. 



210. Anurida amorita, left mid foot, X 150. 



211. Anurida amorita, right fore foot, X 225. 



212. Anurida granaria, left postantennal organ, X 567. 



213. Anurida granaria, right postantennal organ, oblicjue aspect, X 567. 



214. Anurida granaria, right fore foot, X 474. 



215. Paranura caeca, olfactory hairs of fourth antennal segment of right side, X 



260. 



216. Paranura caeca, sense organ of tliird antennal segment of right side, X 



840. 



