7i 
Grabhamia, a genus of Culicidse : 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. 
HiEMATOBiA, a genus of Muscidse : H. stimulans (plate 33, fig. r) in habits, 
time of occurrence, and extent of distribution in British Isles, similar to 
Stomoxys calcitrans, 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 Tabanidse : in dividuals sometimes very abundant, 
36 ; II. crassicornis (plate 12) closely resembles H. pluvialis, but darker, 
35, varying size of, common in many localities, less troublesome in 
Scotland, 36 ; II. italica, distinguished by pale femora, and longer 
antenna;, 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-bug {Leptus autumnalis), figure of; swellings caused by, apt to be 
mistaken for bites of midges or of gnats, 16. 
Hippobosca, a genus of Hippoboscida; : IT. equina, the Forest Fly (plate 31), 
found principally in the New Forest, clustering like bees on the ponies 
and cattle, bite not painful, but 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.E, a family of Diptera, parasitic upon mammals and birds, some 
fully winged, 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-fly,' name given in United States to Lyperosia irritans, also termed 
Hamatobia serrata, 61. 
Horse-flies, popular name for Tabanida?, 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. 
