Plate XL 



Hypopygia of Cliironomince 



Ckironomus incognitus, one side. 



Cliironomus curtilaniellatus, one side. 



Cdmptocladius suhaterrimus, one side. 



Mcfriocnemus hracJiyneura, one side. 



Camptocladius flavens: a, inner process of l)asal portion of 

 lateral arm; h, apex of apical portion of lateral arm. 



Ortliodddius suhparallelus, one side. 



Tricliocladius nitidus, one side. 



Tanytarsus siniilafus: a, supei-ioi- ]irocess; l), inferior proc- 

 ess. 



Cduiptochidius (iterrimus, one side. 



Orihodadius fiavoscuiellaius, one side. 



Cttmptodadius hyssinus, one side. 



Ddcfi/lodddiKs hrevinervis, one side. 



