71 



Grabhamia, a genus of Culicidas ; G. dorsalis (plate 9), most handsome of 

 British mosquitoes, characteristics of, found as a rule in the southern 

 counties, 26 ; known on the Suffolk coast as the ' Norway Mosquito,' 

 severity and virulence of its bite, 27. 



H.€MATOBiA, a genus of Muscidce : H. stimulans (plate 33, fig. i) in habits, 

 time of occurrence, and extent of distribution in British Isles, similar to 

 Sfomoxys cakitraiis, but head much smaller and palpi more prominent, 

 59, 60 ; wide range of distribution in British Isles ; no specimen in 

 Museum from other localities, 60. 



H.EMATOPOTA, a genus of Tabanida; : individuals sometimes very abundant, 

 36 ; H. crassicornis (plate 12) closely resembles H. pluvialis, but darker, 

 35, varying size of, common in many localities, less troublesome in 

 Scotland, 36 ; H. ifa/ica, distinguished by pale femora, and longer 

 antennoe, rarer and more local than other indigenous species, 36, doubt- 

 fully common in Austria, 37 ; H. pluvialis (plate 11), very common and 

 generally distributed, 35. 



Harvest-buc (Lep/i/s antum/ialis), figure of; swellings caused by, apt to be 

 mistaken for bites of midges or of gnats, 16. 



HiPPOBOSCA, a genus of Hippoboscidrc : II. equina, the Forest Fly (plate 31), 

 found principally in the New Forest, clustering like bees on the ponies 

 and cattle, bite not painful, Ijut the movements of the insect often irritate 

 animals, 63 ; found also in Dorsetshire and 'Wales, occurs throughout 

 Europe and in many other distant localities, 64. 



HippoBOSCin.t:, a family of Uiptera, parasitic upon mammals and birds, some 

 fully wmged, others wingless ; resemblance to tsetse-flies in proboscis and 

 mode of reproduction, 62 ; two species found on and in the nests of the 

 house-martin and swift ; doubtful whether any species sucks human 

 blood, 63. 



' HoRN-i-Lv,' name given in United States to lyperosia tri-itans, also termed 

 Hamatobia serrata, 61. 



Horse-flies, popular name for 'I'abanidre, 31. 



Ked, popular name for Melophagus ovinus, 67. 



Leptus autumnalis (harvest-bug), figure of; swellings caused by, apt to be 

 mistaken for bites of midges or of gnats, 16. 



