Plate XXIX 



Larval Labia of Cluronominai 



Cliironom us flavicingula. 



Cli ironom us vrnclis. 



Diamesa ivaltlii. 



Cliironomus flavus, 



Cliironom us sp. B. 



Cliirojiomus fulviventris. 



Cliironomus lohiferus. 



Cliironomus lohiferus, var. ? 



Cliironom us tentans? 



Cli ironomus viridicollis. 



Cliironomus viridicollis, aberration 



Cricotopus trifasciatus. 



Ortlwcladius sp. A. 



Tanyfarsus sp. C. 



Genus incertus A. 



Ortlwcladius nivoriundus. 



Ortlwcladius sp. E. 



Genus incertus D. 



Tanyfarsus exiguus. 



Ortlwcladius sp. C. 



Ortlwcladius sp. B. 



(rcnus incertus C. 



Genus incertus B. 



