185 
November 15th, 1862. — “Hydrometric Observations of the 
Water of the Mediterranean.” 
January 21th, 1863. — “On Swell observed at Sea, particularly 
in the Regions of the South-East Trade Wind.” 
April 2nd, 1863. — -“Notes of Observations of the Speed and 
Order of Succession in Magnitude of Waves observed in Gales of 
Wind off the Cape of Good Hope.” 
October 15th, 1863. — “On Fog in the Mediterranean.” 
November 12th, 1863. — -“On a Meteor seen by Daylight.” 
January 1 2th, 1865. — Account of a Fireball seen December 
13th, 1864. 
October 31 st, 1865. — “On a Coal Basin between Mount Olympus 
and the Bay of Oraniska.” 
December 1th, 1865. — “On Meteors.” 
December 11th, 1866. — -“On Cautionary Storm Warnings.” 
December 25th, 1866. — “On some recent Observations on the 
Specific Gravity of Sea Water.” 
Mr. Houldsworth was born in Nottinghamshire, on the 4th 
of June, 1797. His father had much mechanical taste and 
knowledge, and at the time of his eldest son’s birth (the 
late Henry Houlds worth) he was engaged in developing the 
spinning mule, and, as afterwards turned out, in laying the 
foundation of the cotton spinning concern of Thomas 
Houldsworth and Co., with which his son subsequently 
became closely connected. The late Henry Houldsworth, 
though born in Nottinghamshire, was educated chiefly in 
Glasgow (at which place his father, shortly after the year 
1800, went to reside). He was a student in Glasgow 
University, and about the year 1818 showed his love 
of science and his powers of invention by publishing 
in the Journal of Arts the first idea of a gas meter. 
In 1822 he came to live permanently in Manchester, and 
joined his uncle Thomas Houldsworth in the cotton spin- 
ning business. From that year till about 1835, when he 
became interested in railways, he was continuously engaged 
