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MAPS AND. PLATES. 
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PLATE page 
i TRACK OR ENE Ss. iGHnNING/——S680.0eeeen sean e.. cyan 59 
IL.—First Cruise or H.M.S. ‘ Porcurine’—1869 ... ... «=. 87 
Tl —Srconp Cruisz- or H.M.S. ‘ Porcuringe’—1869 ... ... ...: 95 
1V.—Tuirp Cruise or H.M.S. ‘ PorcurinE’—1869 ... ... .. 106 
We TRACK On EAM. Ss) “PoRcuPINEY——IS/0)-.. — ss saa. eee ou 
VI.—Dtacram or THE ‘ PoRCUPINE’ SOUNDINGS IN THE ATLAN- 
TIC AND IN THE F4iROE CHANNEL, SHOWING THE RELATION 
BETWEEN TEMPERATURE AND DEPTH,—THE SERIAL SOUND- 
INGS REDUCED TO Curves. THE NUMBERS REFER TO THE 
STATIONS ON THE CuHarts, Puates II., III, ann IV. 323 
Vil.—Puysicat CuHart oF THE NortH ATLANTIC: SHOWING THE 
Dertn, AND THE GENERAL DisTRIBUTION OF TEMPERA- 
TURES FOR THE MontuH or JULY : ee ea) Le Non OOS 
VIII.—Mar sHowinc THE GENERAL DisTRIBUTION OF THE TER- 
TIARY, THE CRETACEOUS, AND THE JURASSIC SYSTEMS 
IN THE Norru-West oF EUROPE WITH REFERENCE TO 
CONTOURGEL OM Tac Nose h pends Gem te aos) Pecuaem eee Ue 
