Plate XXXII 



SI nichu'dl DcUtils of (liironom'nua 

 and Larval Case of Tdniihrrsus 



FJg. 1. Chironomus crassicauddt us, palpus of male. 



Fig. 2. (liironomus tcnians 'I, lai'va. 



Fig. 3. Cliironomus quadripuncfains, palpus of male. 



Fig. 4. Cliironomus plunio.sus, labium of lai'va (after .I(/liaimsen 



Fig. 5. Tanytarsus sp.?, larval ease. 



Fig. (J. Cltironomus jjalliatus, labium of larva. 



Fig. 7. Cricotopus trifasciatns, ])Upa. 



Fig. 8. Cliironomus nigricans, i)ali)us of male. 



Fig. 9. Tricliocladius politus, tarsal elaw of male. 



Fig. 10. Cliironomus ferrugineovittatus, male. 



Fig. 11. Cliironomus ianiapennis, pal])us of male. 



Fig. 12. C]nrono))it(s palliatus, antenna of hermai)hi'0(lite. 



Fig. 1-j. ('(Duplochtdius lasinps, antenna of female. 



