300 BULLETIN 116, UKITEI) STATES NATIONAL MUSEUM. 



pygial lamella; 140, amplipennis, new epecies, wing of male; 140a, same, fore 

 tarsus of male (inverted); 1406, same, hypopygial lamella; 141, splendidus 

 I>oew, AN-ing of male; 141o, same, hypopygial lamella; 1416, same, last font joints 

 of fore tarsus of male; 142, splendidulus Loew, wing of male; 142fl, same, last four 

 joints of fore tarsus of male; 1426, same, hypopygial lamella; 144, disci/er Stan- 

 niiifi, wing of male; 144o, same, tip of fore tarsus of male; 145, boreus, new species, 

 antenna of male; 145a, same, fore tarsus of male (inverted); 146, angustatus 

 Aldrich, wing of male; 146o, same, last four joints of fore tarsus of male; 147, 

 compnctus, new species, wing of male; 147a, same, fore tarsus of male; 148, 

 walkeri, new species, wing of male; 148a, same, fore tarsus of male; 149, speciosus, 

 new species, wing of male; 149o, same, fore tarsus of male (inverted). 



Plate 11. 



Figs. 150-161: 150, procerus, new species, wing of male; 150a, same, fore tarsus of 

 male; 151, completus, new species, wing of male; 151a, same, fore tarsus of male; 

 152, seratus, new species, wing of male; 152a, same, fore tarsus of male; 153, 

 sufflavus, new species, wing of male; 153a, same, fore tarsus of male; 154, colo- 

 radensis Aldrich, fore tarsus of male; 155, lobatxis Loew, wing of male; 155a, 

 same, fore tarsus of male (the a is omitted after the numeral); 1556, same, wing 

 of female; 156, ommva<7MS, new species, last two and ahalf joints of fore tarsus (in- 

 verted); 157, amp/iencMs Melander and Bnies, fore tarsus of male (inverted); 158, 

 afflictus Osten Sacken, wing of male; 158a, same, hypopygial lamella; 159, crena- 

 tits Osten Sacken, wing of male; 159a, same, antenna of male (inverted); 160, 

 consanguineus Wheeler, wing of male; 160a, same, wing of female; 161, hruesi 

 (propinquus), new name, Aving of male. 



Plate 12. 



Figs. 162-1756; 162, aurifex, new species, wing of male; 162o, same, hypopygial 

 lamella; 163, idahoensis Aldrich, \ving of male; 164, cavatus, new species, wing of 

 male; 164a, same, hypopygial lamella; 165, penicillatus, new name, wing of male, 

 166, misellus Melander, hj-popygial lamella (copied); 167, chrysostcyma Loew, anten- 

 na of male; 168, parvicornis, new species, wing.of male; 169, latronis, new species, 

 wing of male; 169a, same, hypopygial lamella; 170, harbecki, new species, wing 

 of male; 170a, same, wing of female; 1706, same, antenna of male; 171, slossonae, 

 new species, wing of male; 171a, same, hypopygial lamella; 172, virginiensis, 

 new species, wing of male; 173, bakeri Cole, wing of male; 173a, same, hypo- 

 pygial lamella; 174, aurifades Aldrich, wing of male; 174a, same, antenna of 

 male; 1746, same, hypopygial lamella; 175, carolinensis, new species, wing of 

 male; 175a, same, hypopygial lamella; 1756, same, wing of female. 



Plate 13. 



Figs. 176-1876 : 176, imperfectus, new species, tip of abdomen and hypopygium of male ; 

 176a, same, wing of male; 177, vittatus Loew, wing of male; 177a, same, hypopyg- 

 ial lamella; 178, ceZenpes, new species, wing of male; 179, scapularis Loew, wing 

 of male; 180, domesticus, new species, wing of male; 180a, same, hypopygial 

 lamella; 181, latipes Loew, wing of male; 181h, same, middle tarsus of male; 

 182, aldricfd Wheeler, wing of male; 182a, same, middle tarsus of male; 183, 

 bolsteri, new species, wing of male; 183a, same, hypopygial lamella; 184, ton- 

 sus Loew, wing of male; 184a, same, last three joints of fore tarsus of male; 185, 

 eudactylus Loew, hypopygial lamella; 185a, same, last three joints of fore tarsus 

 of male; 186, versutus, new species, wing of male; 186a, same, last four joints of 

 fore tarsus of male; 187, dakotensis Aldrich, wing of male; 187a, same, hypopyg- 

 ial lamella; 1876, same, last four joints of fore tarsiis of male. 



