Sent vouchers to fifty-three local registrars for the registration of births and deaths for the quarters ending December 31, 1903; March 31, 1904; June 30, 1904; September 30, 1904. Respectfully submitted,

M. L. RULLMAN, Clerk.

CHEMIST'S REPORT.

DR. JOHN S. FULTON,

Secretary State Board of Health,

Baltimore, Md.

Dear Sir: In making out an annual statement of work done by this Laboratory for the year 1904, I beg to state that my report must date from February 9, 1904, to December 31, 1904, as all my records prior to February 7, were destroyed by fire.

During the period from February 7 to December 31, 1904, I made the following analyses, distributed as below by counties:

INDEX.

Chårt 2.

INDEX OF CHARTS AND TABLES.

Chart 1. Births by months-male, female and total...
Deaths by ages-Maryland-1904........

Page

12

15

Chart 3 (a.)

Deaths by ages-Baltimore city-1904..

16

Chart 3 (b.)

Chart 4.

Deaths by ages-Rural Maryland-1904..
Distribution by population and deaths by ages—Mary-
land-1904....

17

Principal causes of death classified according to their
importance in middle period of life.....

Age distribution of general mortality Maryland-1904...
Age distribution of malignant neoplasms, diphtheria and
cerebral hemorrhage...

32

33

Chart 11. Age distribution of Bright's disease, paralysis and accidental violence

34

Chart 12. Age distribution of pneumonia, broncho-pneumonia and organic heart disease...

35

Chart 13. Age distribution of typhoid fever, whooping-cough, tuberculosis (pulmonary)...

36

Chart 14. Deaths by months-all causes-Baltimore and Rural districts

Chart 15. Monthly mortality of eight principal diseases-Maryland-1904...

Chart 16. Comparative susceptibility of the several organs to parasitic infections...

38

40

43

Chart 17. Expectation and duration of life-Rural Maryland—1904.
Chart 18. Maryland biometer-1904....

48

51

Chart 19 Typhoid morbidity of ages-Rural Maryland-for five years, beginning、 1898..........

134

Table II.

Chart 20. Combined seasonable incidence of typhoid fever and para-
colon infections for five years, beginning 1898..
Table I. Estimated population-births, deaths and increase of popu-
lation and rates..

Estimated population of Maryland (1904)
Table III. Births in Maryland-summary..

Table IV.

Births-male and female-by months-Rural districts...

11

Table V. Still-births by months-Rural districts..

11

Table VI. Deaths and percentages of total mortality by ages-
Rural districts, Baltimore city and Maryland...
Table VII. Population of death per 1,000 at the several age-periods-
Maryland

Table VIII. Classification of causes of death according to sanitary
relations, with ratios to total mortality......

Table IX. Nineteen principal causes of death-Maryland (1904) mor-
tality rates and ratios.

Table X.
Table XI.

Age distribution of principal diseases..

Table XII

Deaths from infections showing the organ infected....
Expectation of life in Maryland, 1904...

..

Table XIII. Survivorship in Maryland, 1904
Table of births and deaths in Anne Arundel county.
Table of deaths in Cecil county...

14

19

22, 23

24

29, 30

Table of births, deaths, and infectious disease in Kent county.
Table of births, deaths, and infectious disease in Washington county. 74, 75
List of county health officers.

.78

Table of deaths by months and causes-Annapolis.
Table of births by months, color and sex-Annapolis.

Table of births and deaths in Brunswick by months and causes.
Table of infectious diseases-Brunswick.

Table of water analyses-chemical-Annapolis water-supply..
Table of water samples-bacteriological-Annapolis water-supply...
Table of water analyses-bacteriological-Frostburg water-supply...
Table of water analyses-bacteriological-Annapolis and Eastport..
Table showing ages of laboratory typhoids..

93, 94

Table showing seasonal distribution of typhoid and pseudo-typhoids.
Table showing positive and negative laboratory reactions for typhoid
by counties...

135

137

Table of symtomatology of typhoid-positive
Table of symtomatology of typhoid-negative.
Table showing symptoms in order of importance-positive and nega-
tive reactions.....

Table of symptoms groups typhoid fever.

Table showing a number of symptoms in typhoid fever.
Table showing symptomatology according to age in typhoid fever. 140,141,142
Table showing percentages of afebrile cases of typhoid..
Table showing the percentage of melaena in typhoid by ages.
Table of symptomatology of typhoid by ages.
Table II.

140

143

143

144

Bacteriological water examinations made in the State
laboratory in 1904, giving date, source, colonies, per
c.c., presence of absence of colon bacillus, and quality.
148, 149, 150, 151, 152, 153

Table II (a). Bacteriological milk examinations made in the State
laboratory in 1904, giving date, source, colonies, per
c.c., presence or absence of colon bacillus, and
quality.

Table showing causes of condemnation for hogs, cattle, and sheep condemned by inspector during 1904. .

163

Table showing places of condemnation and number of hogs, cattle, and sheep condemned at each place...

163

Table of partial condemnations during 1904, showing places, owners, and parts condemned..

164

MAPS AND DIAGRAMS.

Annapolis water-supply — impounding and pumping system sketch

Reservoir showing artesian well and sub-soil water...

95

96

115

116

117

107

108

128

129

North bank of Jenning's run, showing course of drainage-profile
diagram...

Water-supply of Mt. Savage, showing location of typhoid cases.
West Arlington and vicinity-

Wiley avenue and Pimlico road, showing drainage from Halsted's
Roadhouse-detail map.

163

Age periods, population, mortality, at the several, 18; Table VII, 19; Chart 4..

Diseased, condemned for cholera, gid, bruised, gangrene,
tuberculosis, pleuro-pneumonia, actinomycosis, pyaemia,

.155-164

.163-164

Annapolis, sanitary inspection of water supply..
Anne Arundel county, births and deaths in, table.