226 



WILLIAM J. FOX. 



INDEX TO SPECIES. 



Anacrabro, 133. 



ocellatus, 133. 

 Crabro, 134. 



abdouiinalis, 198. 



aciculatus. 160. 



ndvenus, 14.5, 170, 171. 



ffiqualis, 164. 



arcuatus, 155. 



argus, 165. 



armaticeps, 185. 



asperatus, 199. 



ater, 197. 



atrieeps, 140. 



afrifrons, 137. 



aurifrons, 151. 



bellus, 137. 



bigeniinus, 157. 



brunneipes, 140. 



centralis, 151. 



cbrysarginus, 155. 



cinctellus, 136. 



cinctipes, 197. 



cingulatus. 177, 179. 



cognatus, 178. 



colliniis, 151. 



coloradensis, 1G9. 



columbiauus, 207. 



confertus, )81. 



confluentus, 136. 



conspicuus, 171. 



contifiuus, 144, 145. 



corrugatus, 141. 



cribrellifer, 168. 



cristatim, 139. 



cubiceps, 139. 



decemmaculatus. 151. 



decorus, 200. 



denticulatus, 143. 



dilectus, 1-56. 



discifer, 176. 



discretus, 165. 



dnhius, 136. 



effosns, 139, 143. 



elongatus, 208. 



erraus, 184. 



excavatun, 149. 

 flaviclypeus, 186. 

 frigidus. 203. 

 gracilissimus, 144. 

 gryphus, 169. 

 Harringtonii, 195. 

 Harrisii, 203. 

 hilaris, 179. 

 hispidus, 192. 

 honestus, 155. 

 imbutus, 154. 

 impressifrons, 194. 

 incavus, 188. 

 incertus, 174. 

 iusoleus, 192. 

 interruptus, 1.36. 

 largior, 161. 

 latifrons, 185. 

 latipes, 169. 

 lentus, 190. 

 maculatus, 181, 204. 

 inaculiclypeiis, 189. 

 luaculipeunis, 180. 181. 

 uiedius, 167. 

 minimus, 188. 

 niontauus, 139. 

 monticolus. 163. 

 niger, 206. 

 nigricoruis, 195. 

 uigrifrons, 145. 

 nigror, 196. 

 nitidiveutris, 182. 

 oblougus, 204. 

 obscurns, 143. 

 occidentalis, 200. 

 odyneroides, 153. 

 Packardii, 152, 155. 

 pallidus, 163. 

 parvulus, 142. 

 pancimaculatus, 147. 

 pauper, 142. 

 pedicellatus, 201. 

 peyagiis, 171. 

 pictipes, 187. 

 pinguis, 186. 



planipes, 193. 

 pleuralis, 162. 

 productieollis, 138. 

 propinquus, 189. 

 Provanclieri, 168. 

 quadraiujularis, 159. 

 4-maculatus, 138. 

 A-pnnctatus, 138. 

 lA-maculatus, 159. 

 rufifemur, 158. 

 rufigaster, 202. 

 rufipes. 149. 

 rugosopuuctatus, 207. 

 scaber, 149. 

 scutellatus, 190, 1J4. 

 septentrionalis, 205. 

 sexmaculatus, 146. 

 signifer, 209. 

 similis, 191. 

 singularis, 159. 

 siniMtiis, 168. 

 spiniferus, 148. 

 stii"picola, 148. 

 succinctus, 170, 171. 

 sulcus, 187. 

 tarsal is, 193. 

 tenuiglossus, 176. 

 tenuis, 166. 

 texanus, 150. 

 thyreophorus. 172. 

 tihiidis, 194. 

 trapezoideus, 160. 

 trifasciatus, 146. 

 tumidus, 175. 

 uuicus, 206. 

 ventralis, 183. 

 vernalis, 173. 

 vicinus, 170. 

 viUosifrons, 155. 

 villosus, 158. 

 virgatus, 174. 

 Entomogrnathus, 132. 

 texanus, 132. 



