ILLUSTRATIONS, 
PAGE 
The King of Portugal on Board the Challenger Frontispiece 
Captain George S. Nares, P.N., F.P.S Title-page 
The City of Lisbon, from the Tagus 7 
Chemical Laboratory on Board the Challenger . . 9 
Naturalists’ Work-room on Board the Challenger . . 10 
Sounding and Dredging Apparatus 12 
Plaza Constitucion, Santa Cruz, Teneriffe .... 25 
Sounding Accumulator 43 
“Hydra” Sounding Machine 44 
“Baillie” Sounding Machine 45 
Valve Sounding Lead 46 
Slip Water Bottle 47 
“Buchanan’s” Deep-sea Water Bottle 49 
“ Miller-Casella” Deep-sea Thermometer .... 50 
Cup-lead 53 
Deep-sea Dredge 54 
Dredging Accumulator 55 
Camber and Floating Dock, Bermuda 59 
View of St. Thomas, West Indies .... To face 60 
Oceanic Sections (St. Thomas to Bermuda — Bermuda I ^ 
to New } ork— Halifax to Bermuda) . . ( ° J ace 
Natives of Santiago, Cape de Verde Islands ... 78 
St. Paul’s Pocks, North Atlantic 85 
St. Paul’s Pocks, from the East .... To face 86 
Peak of Fernando Noronha, South Atlantic . . „ 88 
View of Tristan d’Acunha 110 
Table Mountain, Cape of Good Hope Ill 
