A DISCUSSION ON BEEATHING 



141 



of the trunk and the epimera and by two ducts under the 

 insertion of the pleon. In Mhusa the case is the same. 



Fio. 11 —Banina scabra (Fabrioius), a male specimen, with separate figure of the pleon 

 [de Haan]. 



In Calappa and Maf,uia the hinder ducts are not below but 

 close to the plaon over the first joints of the fifth pair of 



