A publication produced for the guidance of the Officers of the Geological Survey. It describes a summary of duties for the different grades of geologist. How to undertake fieldwork and indoor work. It also explains various administrative rules and procedures, rates of pay, expenses and allowances; leave of absence, sick leave etc; maps, stationery and stores; communications to learned societies, public bodies etc; promotion and transference and retirement. Various editions were published between 1867-1924.