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Sessional Papers (No. 5.) When steamers an' approaching rm-li oilier, the signal lor passing shall be one sound â-  itmra whistle to keep to the right, and two sounds of the steam whistle to keep to lef- This signal to 1»; observed by all slcamers either day or night, by the time Bitch lia'.I liuvo arrived al the distance ->\ one thousand yardn froir each other, and should lipids not be nude and answered bv the time such boa:s shall hate so arrived, the â-  ofbufh boats shall be stopped. Doubt or fear of misunderstanding these signals, lis expressed by several short sounds of the whistle in quick succession, when the 10ll. In reference to the explosion of the boiler of the steamer Favm, which md on the 14th May last, at Montreal, to which exception was taken by the mum to Mr. Inspector h'esseudeu's report as to the cause of the explosion, on the mhbnt the plates in the sice in chimney, where the fracture occurred, ihtii insufficient aainiatli, and the stays too far apart for the pressure allowed upon the boiler. .To prevent a recurrence of tlio kind, Inspect..n of stoamboais are referred to dutioii six of this moi'iing. having inference to the strength of internal Hues, by which in future to he guided. l!th. The Board ivranumiij to ..ivncrs of steamboats the use of some effective " Low iter Alarm Indicator," bv which the tinnier arising from want of water in the boiler be ded against. That Kimball's Ix>w Water Indicator has been tried and found to iwtlic purpose mieud<-d. ami gives satisfaction, and is therefore recommended by the mi for this purpose. Appended are returns for the several division* in the Dominion shewing the names ilksivLLUHTs i:is|K'cted during the year ended It 1st December. lf>71 ; the ports of in-m, name of collector, dai" <if i:ispr-L-t i1m. gross and reentered tonnage, inspection nd date of payment of the name. The Return exhibits a total of â- HiiJ steamers, of a rogi-u-'iod Inunage of 45,210 against littmers for the vear IS711, of a n-giao-rod tonnage of 42,535. ... 11'Jsteamers, 12,833 tons. ... C4 „ 6,033 ',. ... 84 „ 7,115 „ ... 41 „ 5.14G „ \i".v liruuswiek ami Xov limn steamers may be . Paa.en„'er steamers. . Freight „ ., Tug 194 Piddle ................................... Profilers „ .......................................... 78 Screw Trias................................................ 124 Appended are returns of steamers added in ilie Dominion during the year 1871; ardsss and horse-power, whether of wood or iron, their gross and registered tonnage, 'wbuilt and how employed. Also a return of (he number of steamers last or broken or laid up as unlit for service, in the Dominion during the same period, their class and iD-poner, whether of wood or iron, their gross and regish-red toon age. and where and o the vessels ii irks!. lh» following statement exhibits accidents of no serious â- red, during the year in the several districts. Wttt Ontario. I In. tun rim! T,ak* Superior Division. S. propeller Dominion, while off the Ducks Light, Lake Ontario, broke the strap â- tin is.. Iiu.l r.f iha .writing rod. damaging the engine considerably. Vessel towed Htititheheadof the c< Li to Kingston for repairs. The .i occurred 27th August. M