1828.--4th week, ending July 26th. Whole mortality, 127; of which, the deaths from cholera morbus, were, adults, 3; children, 26; Total, 29.--Diarrhœa, adults, 0; children, 3; Total, 3.--Dysentery, adults, 0; children, 3; Total, 3.--Total from bowel complaints, 32. 1829.--4th week, ending August 1st. Whole mortality, 100; of which, the deaths from cholera morbus were, adults, 1; children, 23; Total, 24.--Diarrhœa, adults, 0; children, 4; Total, 4.--Dysentery, adults, 1; children, 3; Total, 4.--Total from bowel complaints, 32. 1830.--4th week, ending July 31st. Whole mortality, 183; of which, the deaths from cholera morbus were, adults, 0; children, 38; Total, 38.--Diarrhœa, adults, 0; children, 2; Total, 2.--Dysentery, adults, 2; children, 2; Total, 4.--Total from bowel complaints, 44. 1831.--4th week, ending July 30th. Whole mortality, 123, of which, the deaths from cholera morbus were, adults, 0; children, 32; Total, 32.--Diarrhœa, adults, 0, children, 6; Total, 6.--Dysentery, adults, 1; children 3; Total, 4.--Total mortality from bowel complaints, 42. 1832.--4th week, ending July 28th. Total mortality, 147; of which, the deaths from cholera morbus were, adults, 5; children, 27; malignant cholera, adults, 8; Total, 40.--Diarrhœa, adults, 3; children, 4; Total, 7.--Dysentery, adults, 2; children, 5; Total, 7.--Total from bowel complaints, 54. _Liability of Negroes to Cholera._ An impression appears somehow or other to have got abroad that negroes are not liable to be attacked with cholera; such a notion, however, has no foundation. In New York, it has been observed that they have enjoyed no greater immunity than the whites, and the natives of India, whose constitution much resembles that of the negro, were more liable to cholera than Europeans. There is ample grounds for fearing that the disease will be productive of terrible mortality among the slaves of the southern states, and proper measures of hygiene should be promptly adopted; and on the very first symptoms of derangement of the digestive organs, remedial measures immediately resorted to. _Cholera at New York._ It affords us pleasure to notice that the cholera is abating in our sister city. During the last few days, the number of cases have considerably diminished, and though accidental causes may occasionally interrupt their constant decrease, it is manifest that the epidemic has reached its height and is on the decline. The report for the twenty-four hours, ending Tuesday, July 31st, at 12 o’clock, announces--