ON STEAM-SHIP PERFORMANCE. 59 



the House of Commons. See Blue Book on Dublin and Ilotyhead Mail Semce, 

 1853, Appendix, p. 176. A return of the speed and consumption of fuel of the 

 steamboats under reg-ulated conditions of time, pressure, and expansion, for the 

 midermentioned periods." 



" Appendix V., Table IIL — Chester and Holyhead Railway, Steamboat Depart- 

 ment, 1857. A retm-n of the speed and consumption of coal, imder reg-ulated con- 

 ditions of time, pressure, and expansion, for the undermentioned period (namely, 

 three months, from January 1 to March 31, 1857)." 



" Appendix V., Table IV. — Chester and Holyhead Bailway, Steamboat Depart- 

 ment. A return of the speed and consumption of coal of the steamboats, under 

 regidated conditions of time, pressm-e, and expansion, for the imdermentioned 

 period (namely, from April 1 to June 30, 1857)." 



" Appendix V., Table V. — Chester and Holyhead Railway, Steamboat Depart- 

 ment. A retm-n of the speed and consumption of coal of the steamboats, mider 

 regiilated conditions of time, pressure, and expansion, for the undermentioned 

 period (namely, from July 1 to September 30, 1857)." 



" Appendix V., Table VI. — A return of the speed and consumption of coal of 

 the steamboats, under regulated conditions of time, pressure, and expansion, for 

 the undermentioned period (namely, from October 1 to December 31, 1857)." 



"Appendix v., Table VH. — Chester and Holyhead Railway, Steamboat Depart- 

 ment. A return of the speed and consumption of coal of the steamboats, under 

 regulated conditions of time, pressure, and expansion, for the imdcrmentioned period 

 (namely, from January 1 to March 31, 1858)." 



''Appendix v., Table VIII. — Chester and Holyhead Railway, Steamboat De- 

 p.artment. A return of the speed and consumption of coal of the express and cargo 

 boats, under regidated conditions of time, pressure, and expansion, for the under- 

 mentioned period (namely, Irom April 1 to June 30, 1858)." 



"Appendix V., Table IX. — Chester and Holyhead Railway, Steamboat Depart- 

 ment. A return of the speed and consumption of coal of the express and cargo 

 boats, imder regulated conditions of time, pressure, and expansion, for the under- 

 mentioned period (namely, from July 1 to September 30, 1858)." 



" Appendix V., Table X. — Chester and Holyhead Railway, Steamboat Depart- 

 ment. A return of the speed and consumption of coal of the express and cargo 

 boats, imder regidated conditions of time, pressure, and expansion, for the under- 

 mentioned period (namely, from October 1 to December 31, 1858)." 



" Appendix V., Table XI. — Chester and Holyhead Railway, Steamboat Depart- 

 ment. Consumption of coal for the six months ending June 30, 1858." 



" Appendix V., Table XII. — Chester and Holyhead Railway, Steamboat Depart- 

 ment. Consumption of coal for the six months ending June 30, 1858." 



" Appendix V., Table XHI. — A return showing the number of years run before 

 the 'Anglia,' ' Cambria,' 'Scotia,' and ' Ilibemia' had new boilers ; number of miles 

 run, and consumption of coal per mile, with and without raising steam, banldug fires, 

 lying- at Kingsto-wn and Holyhead ; steam-pressure in boilers." 



" Appendix V., Table XIV. — Chester and Holyhead Railway, Steamboat Depart- 

 ment. A return of passages made by the steamboats in 3^ hours," &c. 



" Appendix V., Table XV. — Chester and Holyhead Railway, Steamlwat Depart- 

 ment. Slileage run, and expenses per mile, of the passenger boats in the years 1849 

 and 1850, 1857, 1858." 



"Appendix VII., Table I. — Result of experiments with the j'acht 'Undine,' 

 July 6, 1858, on the measured mile at Greenhithe." 



''Appendix VII., Table II. — Result of experiments with the yacht 'Undine,' 

 July 29 and .30, 18.j8." 



" Appendix VII., Table IIL— Residt of experiments with the yacht ' Undine,' 

 October 26, 27, and 28, 1858." 



"Appendix VH., Table IV.— E.\periments with the yacht 'Erminia,' 12th Oc- 

 tober 1858, in Stolies Bay." ' 



This Table docs not give indicated horae-powcr nor displacement. 



" ISGO. Appendix I., Table I.— Table showing- the results of performances at sea 

 and on the measured mile, of seventeen vesseLs of the Royal Navy, of twenty-two 



