1268 LAWS OF MARYLAND. [CH. 725>

insular government, purchasing, receiving, possessing or dis-
pensing narcotic drugs by reason of his official duties.

(b) To a master of a ship or a person in charge of any air-
craft upon which no physician is regularly employed, or to
a physician or surgeon duly licensed in some State, Terri-
tory, or the District of Columbia to practice his profession,
or to a retired commissioned medical officer of the United
States Army, Navy, or Public Health Service employed upon
such ship or aircraft when not in port, provided such nar-
cotic drug shall be sold to the master of such ship or person
in charge of such air craft, or to a physician, surgeon, or
retired commissioned medical officer of the United States
Army, Navy or Public Health Service employed upon such
ship or aircraft only in pursuance of a special order form
approved by a commissioned medical officer or acting assist-
ant surgeon of the United States Public Health Service.

(c) To a person in a foreign country if the provisions of
the Federal narcotic laws are complied with.

335. A person in charge of a hospital or of a laboratory, or
in the employ of this State or of any other State, or of any
political sub-division thereof, and the master or a person in
charge of any aircraft upon which no physician is regularly
employed, or a physician or surgeon duly licensed in some
State, Territory, or the District of Columbia, to practice his
profession, or a retired commissioned medical officer of the
United States Army, Navy, or Public Health Service employed
upon such ship or aircraft who obtains narcotic drugs under
the provisions of this sub-title or otherwise shall not administer,
nor dispense nor otherwise use such drugs within this State
except within the scope of his employment or official duty
and then only for scientific or medicinal purposes and subject
to the provisions of this sub-title.

338. Preparations Exempted. Except as otherwise in this
sub-title specifically provided, this sub-title shall not apply to
the following cases:

(1) Administering, dispensing, or selling at retail of any
medicinal preparations that contains in one fluid ounce, or
if a solid or semi-solid preparations, in one avoirdupois ounce,
not more than one grain of codeine or of any of its salts, or not
more than one-fourth grain of opium when contained in Brown
Mixture as defined in United States Pharmacopoeia or Na-
tional Formulary.

(2) The exemptions authorized by this section shall be sub-
ject to the following conditions: (a) that the medicinal prep-
aration administered, dispensed, or sold, shall contain, in ad-
dition to the narcotic drug in it, some drug or drugs con-
ferring upon it medicinal qualities other than those possessed