Plate XXXVIII 

 Details of Cliironomina' 



OrtliocJadius nivoriundus, thoracic respiratory organ of 

 pupa (typical). 



Ortliochidius )iivoriundu.'^, thoracic respiratory organ (varie- 

 tal?). 



Ortliocladius nivoriundus, apical abdominal appendage of 

 pupa. 



Orthochidius nivoriundus, lateral margin of eighth abdom- 

 inal segment (varietal?). 



Orfliochidius nivoriundus, lateral margin of eighth abdom- 

 inal segment (typical). 



Cliironomus ufaliensis, hypopygium. 



Cricotopus frifasciatus, portion of egg- rope. 



Campiochidius lasiops, hypopyginm. 



Orfliochidius nivoriundus, setula of disc of abdominal seg- 

 ment of pupa. 



Taniitarsus sp.f, malformed laliinm. 



Camptodndius hyssinus, antennal tiagellar joint of female. 



C. flavcns, palpus of female. 



Cliironomus sp. C, head of pupa from above. 



Campfoclddius flavens, antennal flagellar joint of female. 



Campfochtdius JasiophflKdmus, antennal flagellar joint of 

 female. 



C. flavens, apex of abdomen of female. 



C. hyssinus, apex of abdomen of female. 



