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. 

 Insulm Fortunat(E of Juba, probably the Canarian Group, 141. 

 Ireland, poverty of the fauna of, 52, 53; the south-v?est 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. 



LcBmophlcEus pusillus, Schonh., unaffected by climate, 31. 

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



indicated, 105. 

 Laparocerus morio, Schonh., 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 to L. fulvi- 



barhis, 40. 

 Lemur, its peculiarity to Madagascar, 143. 

 Litargus, common to Madeira and Sicily, 139. 

 Lixus angustatus, Fabr., imaffected by chmate, 31. 

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

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

 Loricera, apterous in Madeira, 82. 



Lowe, Rev. R. T., his capture of Deucalion Desertarum, 127. 

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



Black Rat in, 178. 

 Lyc<Bna Phlceas, Linn., darker in Madeira than in England, 34. 

 Lyell, 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 ; 



