The Sun. — 1864-12-16 (London, England)

HEALTH OF LONDON.  (From the Registrar-General's Report.)  The deaths in London, which had risen in the week that ended the 19th November to 1,742, and in the two following weeks had fallen to 1,677 and 1,624, further declined last week (ending the 10th inst,) to 1,522. During the last four weeks the mean weekly temperature of the air has not fallen below 42 deg ; last week it was almost 45 deg.  The average number of deaths hi the 49th week of ten years, 1854-63, is, with a correction f)r the increase of population, 1,467. The present return exhibits an excess of 55 over ths estimated number.  The deaths referred to scarlatina were 69—they were less numerous than they had been in many previous weeks. Typhus, bf which 89 fatal cases were ree,,rded, shows a higher number than any other zymotie'lisease. There were 65 deaths from measles, and 11 from smallpox. Eight deaths from measles were returned by the registrar of Kensington-town, 4 in the sub-district of Christchurch, Marylebone, 4in Bow, Of those from typhus, 7 occurred in the Shoreditch district, 6 in Bethnal-green, 9 in Rotherhithe and Greenwich districts, 4 in Plutustead.  Fhthisis (or consumption) was fatal in 154 cases, bronchitis in 200, pneumonia in 97, and heart disease in 75, The first two diseases were very near their respective averages. welve nonagenarians died in the week—namely six men and six woman. The two oldest wne a man 95 years, and a woman of the same age. No less than six cases f murder or manslaughter wars registered, 4 of which were cases of infanticide. On the 6th inst , at 47, Old Pye-street, Westminster, a female hawker, aged 29 years, died of destitution—parturition and exhaustion (4 days).  A woman wearing crinoline received fatal burns from her clothes taking fire. Last week the births of 1,020 boys and 941 girls, in all 1,961 children, were registered in Landon. In the ten corresponding weeks of the years 1854-63 the average number (corrected) was 1,886.  At the Royal Observatory, Greenwich, the mean height of the barometer in the week was 29178 in, The reading:was 30.21 in on Sunday, and fell to 29.45 in on Thursday. Tho mean temperature of the air in tho week was 41.9 deg, which is 4 deg above the average of the same week in 43 years (as determined by Mr Glaisher). The weather was unusually warm. The mean daily temperature was above the average on six days, and on the seventh was not below it. The highest day temperature was 531 deg on Monday. The lowest night temperature was 35.9 deg, and occurred on Friday and Saturday. The range in the week was 17'8 deg, The difference between the mean dew-point temperature and air temperature was 3'l deg. The mean degree of humidity of the air was 89, complete saturation being represented by 100, which point was nearly attained on two days. The wind blew from the south-west till the Saturday, when it changed to south-east. There was no rain, except the six-hundredth of an inch on Thursday. Friday was a very fine day at the Observatory, with a clear blue sky and bright sun ; but fog prevailed on low grounds, and in parts of London it was remarkably dense. • During the week ending the 10th December, 157 births. (those of 71 boys and 86 girls) and 134 deaths (those of 76 males and 58 females) were registered within the municipal boundaries of Dublin. Its population in 1861 was 254,808, and extended over 3,808 statute acres.  The deaths in Vienna, as returned by Dr Glatter, were 301 in the week ending the 3d December, when the mean temperature was 39.9 deg, that at Greenwich having been 43 4 deg.  * This return is supplied by the Registrar• General of Ireland,  AN