Scientific Meetings For The Week.

SCIENTIFIC MEETINGS FOR THE WEEK .

Satnrday , April 30 . —Royal Institution , " at 3— " Comets , " Prof . Grant . Monday , May 2 nd . —Ethnological Society , at 7 ; Society of Arts , at 8— " Cantor Lecture on Fermentation , " Prof . A . AV . Williamson ; Royal Asiatic , at 3 ; Royal Institution , at 2—Annual 3 Ieoting . Tuesday , May 3 rd . —Anthropological Society , at 8— " The Aboriginal Tribes of the Nilgiri Hills , " Major Ross-King— "The

Armenians of Southern India , " Dr . John Shortt— " The Kojahs of Southern India , " Dr . John Shortt ; Royal Institution , at 3— "Moral Philosophy , " Prof . Blackie . Thursday , 3 Iay 5 th . —Royal Society , at S . 30 ; Society of Antiquaries , at 8 . 30 ; Chemical Society , at 8— "Vapour Densities , " J . T . Brown— " New Cornish 3 Iinerals , No . 7 , " Prof . Church ; Royal Institution , at 3— " Electricity , " Prof . Tyndall ; Linnean Society , at 8 . Friday , 3 fay 6 th . —Royal Institution , at 8 .

LIST OF LODGE , MEETINGS , etc ., EOR AVEEK ENDING 7 TH MAY , 1870 . ( Abbreviations . —F . M . H ., Freemasons' Hall ; 31 . H ., Masonic Hall ; M . T ., 3 fasonic Temple ; Tav ., Tavern ; Ho ., Hotel ; Ro . Rooms ; L ., Lodge ; St ., Street ; Sq ., Square ) .

3 IETE 0 P 0 IITAN LODGES ANT ) CHAPTERS . Monday , May 2 nd . LODGES . —Royal Alpha , AA'illis ' s Rooms , King-st ., St . James ' s ; Robert Burns , F . M . H . ; St . John ' s , Radley's Ho ., Bridge-st ,, Blackfriars ; Amity , Albion Tav ., Aldersgate-st . ; Joppa , Albion Tav ., Aldersgate-st . ; Unions , F . M . H .

Tuesday , May 3 rd . LODGES . —Albion , F . 31 . H . ; Old Dundee , London Tav ., Bishopsgato-st . ; St . John's , Holly Bush Tav ., Hampstead ; Grosvenor , Victoria Station , 3 fetrop . Dis . Rail . Station , Pimlico ; Dnkc of Edinburgh , New Globe Tav ., Uow-rd , ; Golden Rule , Great Western Ho ., Bayswater . CHAPTERS . —Temperance , AA'hite Swan Tav ., Deptford ; United Pilgrims , Horns Tav ., Kenning , ton .

Wednesday , May 4-th . Grand Chapter , at 7 . LODGES . —AA'estminster and Key Stone , F . M . H . ; New Wandsworth , Spread Eagle Ho ., New ' Wandsworth ; MacDonald , Hd . Qrs . 1 st Surrey A ' ol . Corps , Bruuswick-rd ., Camberwell . Thursday , May tjtli . LODGES . —EgyptianAnderton's Ho . Fleet-st . ; Strong Man

, , , F . 3 I . H . ; Ionic , Ship and Turtle Tav ., Leadenhall-st . ; St . Andrew ' s . F . M . H . ; Yarborongh , Green Dragon , Stepney ; Victoria Rifles , F . M . H . ; Excelsior , Sidney Anns , Lewislminrd . ; Perfect Ashlar , Gregorian Arms , Bermondsey , CHAPTERS . —St . James ' s , F . AI . H . ; Sincerity , Cheshire Cheese Tav ., Crutched Friars ; AA ' estbourne , New Inn , Edgeware-rd . ; Crystal Palace , Crystal Palace , Sydenham .

Friday , May Qih . LODGES . —Star , Marquis of Granby Tav ., New Cross-rd . CHAPTERS . —Fidelity , London Tav ., Bisbonssate-st . ; British , F . 3 I . H . ; High Cross , AVhite Hart Ho ., Tottenham . Saturday , May 7 th . Gen . Com . Boys' School , at F . 3 I . I-I ., at 4 . LODGE . — St . Thomas's , Radley's Ho ., Bridge-st ., Blackfriars .

METROPOLITAN LODGES AND CHAPTERS OF INSTRUCTION . Monday , May 2 nd . Temple , Old Goorge , St . Alary Axe , E . C . ; Justice , Royal Albert New Cross-id , Deptford ; Old Concord , Turk's Head , 3 fotcombe-st . Belgrave-sq . ; SincerityRailway Tav . London-st . ;

, , , St . James ' s Union , Swan Tavern , 31 ount-st ., Grosvenor-sq . ; Industry , Dick's Coffee House , Fleet-st . Crystal Palace , City Arms Tav ., AVest-sq ., Southwark ; AA ' estbourne , the Grapes , Duke-st ., Jlanchcster-sq . ; High Cross , AA'hite Hart Ho ., Tottenham ; Tower Hamlets Engineers , Duke of Clarence ,

Commercial-rd ., East ; Eastern Star , Royal Ho ., Burdett-rd ., Mile " end-rd . ; Camden , Adelaide Tav ., Haverstock Hill ; Britisl-Oak , Bank of Friendship Tav ., Mile End . Tuesday , May 3 rd . Faith , Fisher's Restaurant , 3 Ietrop . Dist . Rail ., Victoria Station ; Domatic , Palmerston Arms , Grosvenor-park , Camberwell ; Jordan , Alwyne Castle , Canonbury ; Yarborongh , Green

Dragon , Stepney ; Prince Frederick William , Knights of St . John's Tav ., St . John ' s-wood ; Dalhousie , Royal Edward , Triangle , Hackney ; Royal Albert , AVhite Hart , Abclmrchlane ; City of London , Shepherd and Flock Tav ., Bell-alley . 3 Ioorgiite-strpet ; New Wandsworth , Freemasons' Ho ., New AVandsworth ; Rose of Denmark , George Ho ., Aldermanbury ; Mount Sion , AVhite Hart , Bisbopsgate-st . ; Royal Union , Dubourg ' s Ho ., Haymarket . CHAPTER . —Robert Burns , Sussex Stores , Upper St . 3 lartin's-lane .

Wednesday , May 4 . 4 h . Confidence , Railway Tav ., London-street ; United Strength , Bull and Gate , Kentish Town ; New Concord , Rosemary Branch Tav ., Hoxton ; St . Mark ' s , ilawby Arms , 3 Iawby-st ., S . Lam ; beth ; Peckham , Maismore Arms , Park-road , Peckham-Rye , Pythagorean , Piu ice of Orange Hotel , Greenwich ; Temperance in the East , George the Fourth , Catberine-st ., Poplar ; Prosperity , Gladstone Tav ., Bishopsgate-streot . CHAPTER OF INSTRUCTION " . —St . James ' s Union , Swan Tav ., 3 Iount-st . Grosvenor-sq .

Thursday , May blh . Fidelity , Goat and Compasses , Eusfon-road ; Kent , Duke of York , Borough-rd ., Southwark ; United Mariners , Three Cranes , 3 Iile-end-rd . ; Vitruvian , AA'hite Hart , College-st ., Lambeth ; St . George's , Globe Tav ., Royal Hill , Greenwich Alauchester , Berkeley Arms , Jobu-st ., Berkeley-square ; Tranqnillit . y , SmrarLnaf'Tav ., Great St . Helen ' s , E . G . ; Whittington , Thatched House Tav ., 9 , Red Lion-st . ; Royal Oak , Royal Oak Tavern , Deptford . CHAPTER OF INSTRUCTION , —Joppa , Prospect of AA'hitby Tav ., 57 , AVapping-walL

Friday , Ma . y 6 th . Robert Burns , Union Tav ., Air-st ., Regent-st . ; St . Luke's , Pier Ho ., Cheyne-walk , Chelsea ; Temperance , Victoria Tav ., A'ictoria-rd ., Deptford ; Stability , Guildhall Tav ., 33 , Gresham St . ; Unions ( Emulation Lodge of Improvement for 31 . 31 , ) , Freemasons' Hall ; United Pilgrims , Horns' Tavern , Kennington ; AVellington , Lord Duncan Tavern , Broadway ,

Deptford ; Florence Nightingale , Freemasons' Tav ., AVoolwich ; Ranelagh , AA'indsor Castle Hotel , King-st ., Hammersmith ; Belgvuvo , Duke of Wellington , Spvuig-navdcuB , Chavmg-ci'oss ; St . James ' s , Gregorian Arms , Jamaica-row , Bermondsey ; Doric , Three Cranes , Mile End-rd . ; Hose of Denmark 3 fetropolitan Chapter of Instruction , White Hart , Karnes , Surrey ; Victoria , Anderton ' s Ho ., Fleet-st . ; Hervey , George Ho ,, AA ' alham-grecn . Balurtlny , May 7 th . Mount Sion , Union Tav ., Air-st ., Piccadilly ; Robert Burns Sussex Stores , Upper St . 3 Iartiu's-lane .

[ This information is extracted from' the "Universal 31 asonic Calendar , " published at 19 , Salisbury-street , Strand , and brethren who may detect any inaccuracies ( and there are , doubtless , many ) , are respectfully requested to communicate the same to the Editor at the Office , No . 19 , Salisbury-street , Strand . ]

To Correspondents.

TO CORRESPONDENTS .

* * All Communications to be addressed to 19 , Salisbury street , Strand , AV . C , . SEVERAL communications stand over till our next . AVE shall he glad to receive from brethren any proceedings of Slasonic meetings , which shall be duly inserted . Communications should be forwarded so as to reach us as early in the week as convenient—not later than AVednesday it possible .

AA'e have to request our correspondents to be parcular in writing names distinctly . ANNUAL AIEICTING OP THE 30 ° —We do not know when or where this will be held . Apply to Capt . Philips , S . C . 33 ° , at the office , Golden-square .