ART. 4.] CITY OF BALTIMORE. 229

GUANO.

398. The Governor, by and with the advice and consent of
the Senate, shall biennially appoint a practical chemist of in-
tegrity and good character, as inspector of guano in the city
of Baltimore.

399. All persons importing or bringing any guano to said city
for the purpose of being sold, landed or transshipped within the
limits of said city, shall give notice to the said inspector, who
shall thereupon proceed to inspect and analyze, weigh and mark
the same.

400. He shall analyze all guano so as to show the percentage
of its ammomal and phosphate compound, and shall mark the
quality thus ascertained upon each bag, barrel, cask, tierce, box,
package or parcel, or upon any thing containing the guano, in
accordance with the following scale: Commencing with the
letter A., which shall indicate in Peruvian guano that the parcel
BO marked contains from fifteen to eighteen per cent. of am-
monia; the letter B., indicating from twelve and a half to fifteen
]fcr cent.; the letter C., indicating from ten to twelve and a half
per cent.; the letter D., indicating from seven to ten per cent.,
and a similar table shall be arranged by the inspector to indicate
the quantity of phosphates contained in Mexican and Patagonian
guano; and upon. other varieties of guano similar marks in-
dicating its quality shall be used.

401. If the guano be inspected In bulk so that there is nothing
to put a mark upon, the analysis shall be marked upon the bags,
barrels or other packages the guano may be placed imfor sale,
and the inspector shall give a certificate to the owner or his
agent of the analysis, and quality and quantity of such guano,
with the name of the vessel in which the same was imported.

402. He shall mark upon each bag, barrel, keg or cask the
place of inspection, and the weight of guano therein, making
allowance for the weight of the bag, barrel, keg or cask.

403. He shall .keep an office in some convenient part of the
city, and shall keep an analysis of every cargo or parcel of
guano inspected by him, and enter the same in a book to be
kept for that purpose, and shall, by himself, or some other
person having charge of his books, give to any person desirous