Americae .sefifenirionalis '209 



niarginatis, pallide pilosiim. superne pollinc diliife cinernscenle aspcr- 

 snm. Pedcs ex subfiisco lulci; femora iiij:,ra. all)o-polliiiosa et pilis 

 albis vcslila; lihiarum apex tarsique pracler l»asim liisco - nigri. 

 Ilalfcriiin pcduuculiis sordidc lulesi;cns, capiliiliiin iiiria iiii^rum. su- 

 perne fiiscum. Alae noii p<'lluci(lac. sordide allticaiifcs; veiiac nigro- 

 fnscae; vena cosfalis nsque ad ccllulac iii.uginalis fiuciM. vciia aiixi- 

 liaris tola. venae loui^itiidinalis lcrfiac hasis cf vcnac omnes iii ala- 

 rum trienfe basali dilufiores; sllj^ma fiisco-nij;rnm; vciiac fransver- 

 sales fusco-limbafae; venarum longiludinalium ajiiccs obsolelius colorc 

 fusco circumfusi; posficus alanim inargo leviter cinerascens; cclliila 

 postcrior quarfa aperla. — (Canada.) 



71. Psilocep/i ula scui e l la r is , nov. s[). 9- — Nii^^rci. fron- 

 lis maculd rhomboidnli alerrima ci opaca. scutcllo fnlvo . ali^ cittc- 

 reo-trifascialis. — Long. corp. 4^'j lin., lonj;. al. 2* — 2|^ lin 



Nigra, subniida, modice iiitcns. Froiitis dlmidiiim sujiciiiis iii- 

 tidissimiim; in mediil froule m.icula rliomboidalls niagna. alcrrima 

 ct omiiino ojiaca; anlciiiis froulis dimidliim el facies l)rcvis>iuia 

 levilcr albo-pollinosa. Anlennae longiiisculae, fusco-iiii;rac. arlinilo 

 [irimo siibfiisco cf tircvitcr nigro-piloso, fcrfio siibacquali. slvlo tcr- 

 miiiali miiiufo. Palpi fusco-nigri, nlgro-jillosi; proboscis conrolor. 

 Occipitis dimidium superius sefis nigris, inrcriiis jiubc brev i albi- 

 canfc Irisfrucluui; ^ciiae bieviler nigro-jiilosulac. Tboraci< doisiim 

 subnuduni, pilis brcvissiniis appressis, jilerlsijue lulcscculibiis parcc 

 aspersuin ct levissime albido-pollinosum. ita ul vilfac veriiis nigrae 

 tres lalissimae, infersfitlls ji.iulo conrcifliis albo-jiolliuosis disflncfae 

 conspicianfur, quarum intcrmcdia jiosllcc admodiim ;ibbicvialur. Sefae 

 laterales dorsi brevissimae, nigrae; setae anle sculclluin iiullae. Scu- 

 lellum ex fulvo rufiim, opacuin, jnaelcr setas qualuor brevlssimas 

 nigras nudum. Abdomen ani;usliiin. iiigriim. nilens. adversiis basim 

 subopacum, inargine posfico scgmcnli secundi I.iliiis albido. iuargini- 

 bus posticis segmcnfi primi el fcrlii augustius et sordide exalbidis. 

 Spinarum corona cuni extrcino genifaliiim aj)icc rufa. Primuin ab- 

 dominis segnicnlum cl lalera segmcnli secuiidi brcvifcr albojmbc- 

 scenfia; reliquum abdomcn pills brcvissiniis iiigrls, in jiostcriorc ab- 

 dominis dimidio ercclis Insfriicfum. Pcdcs femics. clong.ifi. siih- 

 uudi. nigri; cNtremus fcmoriim apex subfiisciis; liltiac aulicac mo- 

 dice compressae, snjicrnc snbfuscac; fibiac inlcrmcdiac lolac siib- 

 fuscae; larsi anlici comincsso-dilatali. nigri; laisi jiostcrioics fcnues 

 el simplices. iiigri, iutci niediorum arficulo |»rimo jiraclcr ajilccm. 

 posficorum arficulo jirimo ciim basi arlicull .siiuinii loloic .-ordidc 



