xii ILLUSTRATIONS 



"Maen Madoc," Upper Vale of Neath . . . To face p. 249 

 {From three photographs by Miss Neale) 



Latin Inscription on "Maen Madoc" ... „ 251 



Alfred R. Wallace. 1848 „ 264 



{From a daguerrotype) 



Fishes of the Rio Negro : 



{From drawings by A. R. Wallace) 



1. CYNODON SCOMBROIDES. FAM. CHARACINIDiE „ 285 



(One-fourth natural size) 



2. XlPHOSTOMA LATERISTRIGA. FAM. CHARA- 



CINIDJE ,,285 



(One-third natural size) 



3. PlMELODUS HOLOMELAS. FAM. SlLURIDiE . „ 286 



(One-third natural size) 



4. PLECOSTOMUS GUACARI. FAM. LORICARIIDjE . „ 286 



(One-third natural size) 



5. PTEROPHYLLUM SCALARA. FAM. ClCHLIDiE . „ 286 



(One-third natural size) 



6. ClCHLOSOMA SEVERUM. FAM. ClCHLID/E . , „ 286 



(One-third natural size) 



H. E. Wallace. Age 8 ,,289 



{From a pencil sketch by Miss Townsend) 



Herbert Edward Wallace. Age 20 . . . „ 289 



{From a silhouette) 



The Rio Negro ,,320 



{From observations made in the years 1851 and 

 1852 by Alfred R. Wallace) 



Enlarged Map of the River Uaupes ... „ 320 



Alfred R. Wallace. 1853 ,,324 



{From a photograph by Mr. Sims) 



Native House, Wokan, Aru Islands ... „ 357 



(Where I lived two weeks in March, 1859) 



My Faithful Malay Boy— All 1855-1862 . . „ 383 



Map of the Malay Archipelago .... ,,384 



Alfred R. Wallace. 1869 „ 385 



{From a photograph by Mr. Sims) 



