Question: When was the "Rules of the Eglinton Castle and Cassiobury Croquet" published?
About the article "Croquet", section "Captain Moreton's Eglinton Castle".

Candidate passages:
The earliest known reference to croquet in Scotland is the booklet "The Game of Croquet, its Laws and Regulations" which was published in the mid-1860s for the proprietor of Eglinton Castle, the Earl of Eglinton.
On the page facing the title page is a picture of Eglinton Castle with a game of "croquet" in full swing.
The croquet lawn existed on the northern terrace, between Eglinton Castle and the Lugton Water.
The 13th Earl developed a variation on croquet named Captain Moreton's Eglinton Castle croquet, which had small bells on the eight hoops "to ring the changes", two pegs, a double hoop with a bell and two tunnels for the ball to pass through.
In 1865 the 'Rules of the Eglinton Castle and Cassiobury Croquet' was published by Edmund Routledge.
Several incomplete sets of this form of croquet are known to exist, and one complete set is still used for demonstration games in the West of Scotland.
It is not known why the earl named the game thus.
The earliest known reference to croquet in Scotland is the booklet called "The Game of Croquet, its Laws and Regulations" which was published in the middle 1860’s for the proprietor of Eglinton Castle.
On the page facing the title page is a picture of Eglinton Castle with a game of "croquet" in full swing.
A croquet lawn existed on the northern terrace, between the castle and the Lugton Water, also the old site of the marquee for the tournament banquet.
The 13th Earl developed a variation on croquet named 'Captain Moreton's Eglinton Castle Croquet', which had small bells on the eight hoops 'to ring the changes', two pegs, a double hoop with a bell and two tunnels for the ball to pass through.
In 1865 the 'Rules of the Eglinton Castle and Cassiobury Croquet' was published by Edmund Routledge.
Several incomplete sets of this form of croquet are known to exist and one complete set is still used for demonstration games in the West of Scotland.
It is not known why the earl named it thus.
Views of the old walled gardens and temples  
A croquet lawn existed on the northern terrace, between the castle and the Lugton Water, also the old site of the marquee for the tournament banquet.
The 13th Earl developed a variation on croquet named 'Captain Moreton's Eglinton Castle Croquet', which had small bells on the hoops 'to ring the changes' and two tunnels for the ball to pass through.
Several incomplete sets of this form of croquet are known to exist.
It is not known why the earl named it thus. 
The World Croquet Federation (WCF) encourages, promotes and develops the recognised versions of the game of croquet internationally at all levels.
National croquet associations around the world are members of the WCF, and the WCF sanctions championship croquet tournaments worldwide.
The official rules of Golf Croquet are maintained by the WCF. 
Places of interest.
Cassiobury Park.
Cassiobury Park was formed from the grounds of Cassiobury House and consists of of open space.
The house itself was demolished in 1927 and the original imposing gatehouse entrance – the Cassiobury Gates – in the 1970s, due to road widening.
In July 2007, the park won a Green Flag Award, which recognises the best green spaces in the country.
It has a children's play area which includes a paddling pool, play equipment, mini train track for children's rides, bouncy castle, ice cream van and a kiosk where you can buy food and drinks.
The Grand Union Canal passes through the park.
The name derives from a Celtic tribe the Cassii said to have inhabited the area in pre-Roman times.