ON BRITISH HYDRACHXIDS. 259 



28. Hygrobates longipalpis Herm., 1804. 



Kew Dyke, 1882. There is also a good coloured drawing of 

 this mite, showing its beautiful markings on the dorsal surface, 

 also ova and larvae. 



29. Hydrochorentes ungulatus Koch, 1836. 



Kew Dyke and Lake, 1882. There is a good figure showing 

 the ova as deposited on a water-plant. 



30. Limnesia fulgida Koch, 1835. 



Most of the collecting-places in 1868 ; it is a very common 

 mite. There are some good figures of this mite, and work had 

 been done with the internal and external structures. There 

 was a special slide of sections and some good coloured drawings of 

 same amongst Mr. Saville- Kent's papers, but I could not find 

 any written notes on the internal anatomy, but the coloured 

 drawings were some of the best in the collection. There were also 

 the ova and larvae, and one slide in bad condition, which I take 

 to be that of nymphs. 



31. Limnesia maculata Miill., 1776. 



Epping Forest and Kew Dyke, 1882. Ova deposited May 4th, 

 larvae appeared May 21st. 



32. Limnesia koenikei Pier., 1894. 

 Kew Gardens, 1869. 



33. Limnesia undulata Miill., 1781. 

 Wandsworth Common, 1869. 



34. Limnochares aquatica Latr., 1755. 

 Wandsworth Common, 1869. 



35. Mideopsis orbicularis Miill., 1776. 



Epping Forest, 1882. 



36. Neumania spinipes Miill., 1776. 

 Kensington Gardens, 1868. 



37. Neumania vernalis Miill., 1776. 



Shepherd's Bush Common, 1868. Ova deposited April 4th, 

 larvae appeared May 20th. 



38. Fiona carnea, Koch, 1836. 

 LocaUty not given, n.d. 



JouRN. Q. M. C, Series II. No. 69. 18 



