INDEX. 201 



Hooker, Dr., on the insects of Kerguelen's Land, 86. 



Humboldt, his notice of Sphinxes and flies high up on the Andes, 149. 



Humming-Birds, their peculiarity to S. America and the W. Indies, 



142. 



Hydrobius, apterous in Madeira, 82 ; the capture of, out at sea, 150. 

 Hydrometridce, on the development of the wings of, 100. 

 Hydroporus, the capture of, out at sea, 150. 



confluens, Fabr., unaffected by climate, 31. 



Hypsonotus, its concentration in S. America, 143. 



Influence of climate not important, 23. 

 Insect-aberration, perhaps a universal fact, 16, 17, 18. 

 Insulcs FortunatcB of Juba, probably the Canarian Group, 141. 

 Ireland, poverty of the fauna of, 52, 53; the south-west of, has 



something in common with Madeira, 139. 

 Islands, faunas of, often too greatly magnified, 70 ; the species of, 



generally more isolated in their structure than those of continents, 



177. 



Isolation, effects of, on insect-stature, 71. 



Ixias, their concentration in Southern Africa, 142. 



Kangaroos, their concentration in Australia, 142. 



Kerguelen's Land, insects of, 86. 



Kirby, Rev. W., on insects washed up on the Suffolk coast, 147- 



L(smophl(Bus pusillus, Schb'nh., unaffected by climate, 31. 

 Lamprias chlorocephalus, Ent. H., two distinct sizes of, frequently 



indicated, 105. 

 Laparocerus mono, Schb'nh., large size of, on one of the Madeira 



Islands, 88. 



Latitude and altitude, sometimes reciprocal, 35. 

 Leistus montanus, Steph., has been supposed to be equal toL.fulvi- 



barbis, 40. 



Lemur, its peculiarity to Madagascar, 143. 

 Litargus, common to Madeira and Sicily, 139. 

 Lixus anyustatus, Fabr., unaffected by climate, 31. 

 Localities, some naturally more productive than others, 53, 54. 

 Longitarsus, the native species of, apterous in Madeira, 82. 

 Loricera, apterous in Madeira, 82. 



Lowe, Rev. R. T., his capture of Deucalion Desert arum, 127. 

 Lundy Island, smallness of the insects in, 58, 59 ; occurrence of the 



Black Rat in, 178. 



Lyccena Phlceas, Linn., darker in Madeira than in England, 34. 

 Lvell, Sir Charles, on Helix hirsuta, 106 ; on the fossil period of 



the Madeiran Helices, 129 ; on insects washed up on the shore, 



148 ; on the effect of gales in the transportation of insects, 148 ; 



