114 CD. SOAR ON A COXTRIBUTIOX TO THE LIST OF HYDRACHNIDAE. 



Hygrohates edentijyalpis sp. no v. 



3. Dorsal surface, ? . x 48. 



4. Ventral surface, ? . x 48. 



5. Palpus, $. X 168. 



6. Genital area, $. x 168. 



7. c?. X 168. 



j> 



5J 



Mideopsis ^ninuta sjd. nov. 



8. Dorsal surface, c?. x 56. 



9. Genital area, S- X 168. 



Unionicida ciumhigtoni sp. nov, 



10. Dorsal surface, ? . x 42. 



11. Genital area, ?. x 120. 



12. Palpus, $. X 140. 



Journ. Quekett Microscopical Club, Ser. 2, Vol. XL, No. 07, November 1010. 



