Tho following letter from Dr Huaut appear* Jn tbo Lytklbn Tlmcn of thlH morning!— Hiu.— -f need scarcely npologlHO for oflTcr-■lng'you-ft fow obooryAtlomt on ilio remarkable dlHiurlmitco in tbo «oa lovel an oxperluriuod today in Lyttolton harbour, nnd In other local!---tiOH on tho (!oa«t of. Now Zyaland, liccaunojn doing ho, I hope to ihrow nonio I'ght upon tho cannon by which (Ills ouHoiih phenomenon lias been brought about. I wlnh al«o to dispel flonio orroin concerning it which arc, ah It necmii, cunont nmongmany of my fcllow-clllzenfl, in tho flr«t \m*tnoce, Itifi no* an your contemporary (lift Slur of tblrt ovotilng fttfttcn,,"A Groit Tidal-wavo," lint without doubt nn oiii'iliqniilco wavo in the ffca, fliich n« in commonly obflcrrcd in tho ndjuoiiit jitno, wborovcr nny carthfjiiako of corißCqucnco laltcH pl««c, and followed U\ many infltivnccn b,v a volciiulo era, lion in or nearlhti foeun of (lio former. Although tho chock trunmnlltcd through tlio Crtrtb'fl crijHt, trnw)h much fnn\M Ihiui tho «en wave Ihl«js h»r«n«h th««ivmo dlfllaiuw, tholattflr lh flllll of Huoh a vdoclty that li■travoln at tho rato of (icvcriil inlUm in a minute, consequently, if tho dlHturbanco under rovicw wore tho nmult of tho voloiinlo phenomena nbiinrvcd a few monthtt ako In tint Hnridwlcl) IttlitnflH, '•)) Mi/jffl«H|ed <K tho muno IpftpOP, it would have roaahud u« tho very name day. In confirmation of tliln nunorlion, I may bo nllnwod to udd a fow faoto whloli will dhow .you that only n nhorfc tlmo U M«ed«i<] for llu? ,U'MiiMnlHnloi) oil Hiicih wuvoH ovci 1 «roat dl«. taii(!(;M. During ilia groat oarthquako of Llhlioii on the iHt of Nov. 1 7 lift, tlio nhoolcfl travelling tbrouKh tho earth, nrrlvod in Mndolrn from tlio foou» near f.lrtbon In '2li nilinucfi (!>M> nautical iuIIoh), wIiIIhI. tho flea wave took 2 bourn and '\ rntnutofl moro boforo ■it rf'/ifiliod tlio wnmo lncjillf-y. Jn nnvornl Inlnndn In tho Wcflfclndlcßi whero thu tldo lino only iv rloo of 2ft lo Oft, tll4 ticiv rono nuddenly moro than 20ft the same i lie oarlhfjiiako /it Valdlvla, in Chill, on tin? 7ih NoFcmbor ( 1837, wlilnli w/in romnrkablo for Itn violence) iw well nn for Itn grtjiit cxicnt, citMfl«-'d violent iiKi<atloi\A (it tho (tea at GiiinWcr'H Islandn, Tahiti, tho NavlgAtnrA Ittlandfl and Vav-io Jnhnih, which conolntcd of repeated rlolnß and falling of tl'o surface of tho (tea. At tho Vuvuo Ihlnndrt ihono movomenlfl ocenirud on tho Kth November, nnd continued every ten minuted for 3rt houra. At the Inland of Opolu, ono of tho Navlgatorn Inlands, cnntlnuoUri cnrllirjiialci/i wore felt on tlio 7th and ttlh Novombor, aftor which ihc OHclllo-lloiiHof the oca took pliiee, AtAwftliu, one of tho Handwioh Inland«, the (luctuiitionH of tho nca occurred on tho 7th November, and lasted during Iho whole night and till noon of tho following day, At Hawaii also tbo water foil nlno feot In a very Hhort time, and then roHO suddenly 20 feet abovo high water mark. At tho great' earthqualco which destroyed a Hunnlan frigato in tho harbour of Mmoda, Jiipnn, on tho 2,lrd Decoinbor, 1851, thin liarboiir war emptied And filled nevoral times by advancing and receding wavoh. In Han Franolftco, 4800 KngllHh mllofl from tho/iccnc of tho oarthqunko, tho cdosHal wavo Arrived M houro 1A minutuH nftor It had left the harbour of Bimodn, so that it must havo

inovod at the ruto of 0} Knglish miles in a mlimto ovnr tlio oconiii Tlio Unit wavo oiuiaod a rlflo in tlio surface of tlio sea At San Pr«nolflert| which laatod half an lioup. It w/ifl followud by flQvon flmullor wavos with intar.valn of nn hour botweon. In Ban Diego tlio namo phonomenon whu obeorved, only tlio waves Micro enmo In later, and.' mined tlio wirf/ico of the water lens I may lioro add (hut no oarthquako was folt at Ban Kranalflco, and thus tlio groat diaturbiinco of tlio ocean no/tr that town would havo, remained iinoKplnlnod had tlio foou» of tlio earthquake boon In tlio high fldns below tlio lovol of tlio Paclflo ocean, or on an Inland on tlio nlioroa of a Continent in* habited by savaged only. It la oonaoquontly pnnniblo that wonovonnay becomo acqualnM with ' tlio primary aixmoof. tlio phenomenon obnorvod to-day j at tlio saino llmo wo do as yet poflHOflß 100 Cow roliablo data for deduction of goneralln itlon, but I havo no doubt that as soon an all the natorlal In collected wo may ho aMo to advunco some bU*|>« towards the, elucidation of this vomarkablo occurrence Hut I nwy already iitato that all tlio iiowh which reached un from tlio various porto of both Inlands, load un to tlio ooncliwon that tlio focus of thft) disturbance He« Jn an JCiwtorly direction, From tho lulogranifl alrondy rocolvcd, it Is evident that tho phonomana observed In tho varlniifl prfrtft of tho .Mast count happened not only at different hours, but also In a greater or Umw dOKfco o£ in iffultuilu. This dliturc.nco miiy bo eanlly accounted for by tho direction of tho earthquake wavo, tho confltfijraiion oi! tho coast, tho form of tho burbourH nnd bays, tho groator or lcfiflor nhnliownc/iM of tho nhorcfl, and tho dopth oil tho 6oa n little dlrttanco ofl'. Oonoml obflorvationii havo already eu(Tl« clontly (lliown, in many parts of tho world, that cnrtlifjualco wavefl in tho sea rcnoh tlm coast with much Ichh vlolonoo, whon tho fllioroo aro fltecp, and dcop water in clone by i whllrtt at tho hoad of lon^ shallow buy a their cffioci. 1h very Rroat and deslruotlvo. I havo nlflo heard ihutflovoral riorHoim experlunocd a flllght Bhook of an carthquako thin morning, botwoun 8 and \ o'clock i ono ehißlo pcrpondloulnr n\\wk, apparently travelling from BiWi to N,E,, iiceonipanfed by a Alight nub. tcrranaan rumbling hound. And I only regret that no nelnmomotor had been placod anywhero in town to obtain ooncluMvo con/lrnifitlon of such an ocoummco and oi! Its direction,