/ i s /■: c r i: s . 



/'/. 4. 



s~ 



/* lilan^Aar d pm^c 



/ coraucé. A dtttttr 





t"f . Ptuttmiùt srujr 



i. HYDROPHILUS smaragdinus,* a.H palpalia,*, 5. H ..lotus.*,. 4. H... ..lepidusj 



> Il limbalus Br G II ...Jorsalis .* ;. I)\ TK'l S submargmatus^ 8. HYDROPORUS latipes,* 



9. GYRINl S depressus, s r lo.G elliplicus. a-. 



fmpr * ,'. 



