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 Nosologicae Medicae (1785), which contained his classification of diseases into four great classes—(1) Pyrexiae, or febrile diseases, as typhus fever; (2) Neuroses, or nervous diseases, as epilepsy; (3) Cachexiae, or diseases resulting from bad habit of body, as scurvy; and (4) Locales, or local diseases, as cancer.

Cullen’s eldest son Robert became a Scottish judge in 1796 under the title of Lord Cullen, and was known for his powers of mimicry.

The first volume of an account of Cullen’s Life, Lectures and Writings was published by Dr John Thomson in 1832, and was reissued with the second volume (completing the work) by Drs W. Thomson and D. Craigie in 1859.

 CULLEN, a royal, municipal and police burgh of Banffshire, Scotland. Pop. (1901) 1936. It is situated on Cullen Bay, 11½ m. W. by N. of Banff and 66½ m. N.W. of Aberdeen by the Great North of Scotland railway. Deskford Burn, after a course of 7½ m., enters the sea at Cullen, which it divides into two parts, Seatown, the older, and Newtown, dating only from 1822. St Mary’s, the parish church, a cruciform structure, was founded by Robert Bruce, whose second wife died at Cullen. The industries include rope and sail making, boat-building, brewing and fishing. The harbour, constructed between 1817 and 1834, though artificial, is one of the best on this coast. About 1 m. to the S. is Cullen House, a seat of the earl of Seafield, which contains some fine works of art. A mile and a half to the W. is the picturesque fishing village of Port Knockie with a deep-sea harbour, built in 1891. On the cliffs, 2 m. to the E., stand the ruins of Findlater Castle, fortified in 1455. From 1638 to 1811, when the title expired, it gave the title of earl to the Ogilvies, whose name was adopted in addition to his own by Sir Lewis Alexander Grant, when he succeeded, as 5th earl of Seafield, to the surviving dignities. Five miles to the E. of Cullen is the thriving fishing town of Portsoy, with a small, safe harbour and a station on the Great North of Scotland railway. Besides the fisheries there is fish-curing and a distillery; and the quarrying of a pink-coloured variety of granite and of Portsoy marble is carried on. Good limestone is also found in the district. Pop. (1901) 2061.  CULLERA, a seaport of eastern Spain, in the province of Valencia; on the Mediterranean Sea, at the mouth of the river Jucar, and at the southern terminus of the Valencia-Silla-Cullera railway. Pop. (1900) 11,947. Cullera is a walled town, containing a ruined Moorish citadel, large barracks, several churches and convents and a hospital. It occupies the Jucar valley, south of the Sierra de Zorras, a low range of hills which terminates eastward in Cape Cullera, a conspicuous headland surmounted by a lighthouse. To the south and west extends a rich agricultural district, noted for its rice. Besides farming and fishing, the inhabitants carry on a coasting trade with various Mediterranean ports. In 1903 the harbour was entered by 66 vessels of about 25,000 tons, engaged in the exportation of grain, rice and fruit, and the importation of guano. The town of (q.v.) is 4 m. W.N.W. by rail.  CULLINAN, a town of the Transvaal, 36 m. by rail E. by N. of Pretoria. It grew up round the Premier diamond mine and dates from 1903, being named after T. Cullinan, the purchaser of the ground on which the mine is situated. Here was discovered in January 1905 a diamond—the largest on record—weighing 3025¾ carats. This diamond was in 1907 presented by the Transvaal government to Edward VII. and was subsequently cut into two stones, one of 516½ carats, the other of 309 carats, intended to ornament the sceptre and crown of England. The “chippings” yielded several smaller diamonds (see ).  CULLODEN, a desolate tract of moorland, Inverness-shire, Scotland. It forms part of the north-east of Drummossie Muir, and is situated about 6 m. by road E. of Inverness, and ½ m. from Culloden Muir station on the Highland railway from Aviemore to Inverness via Daviot. It is celebrated as the scene of the battle of the 16th of April 1746 (see, and ), by which the fate of the house of Stuart was decided. By Highlanders the battle is more generally described as the battle of Drummossie. Memorial stones bearing the names of the clans engaged in the conflict were erected in 1881 at the head of each trench where the clansmen—about 1000 in number—were buried. A monumental cairn, 20 ft. high, marks the chief scene of the fight, and the Cumberland Stone, a huge boulder, indicates the spot where the English commander took up his position. A mile to the north is Culloden House, which belonged to Duncan Forbes, the president of the Court of Session. The Culloden Papers, a number of historical documents ranging from 1625 to 1748, were discovered in this mansion in 1812 and published in 1815 by Duncan George Forbes. On the death of the 10th laird, the collection of Jacobite relics and works of art was sold by auction in 1897. About 1 m. to the south of the field, on the right bank of the Nairn, is the plain of Clava, containing several stone circles, monoliths, cairns and other prehistoric remains. The circles, some apparently never completed, vary in circumference from 12 yds. to 140 yds.  CULM, in geology, the name applied to a peculiar local phase of the Carboniferous system. In 1837 A. Sedgwick and R. I. Murchison classified into two divisions the dark shales, grits and impure limestones which occupy a large area in Devonshire and extend into the neighbouring counties of Somerset and Cornwall. These two divisions were the Upper and Lower Culm Measures, so named from certain impure coals, locally called “culm,” contained within the shales near Bideford. Subsequently, these two geologists, when prosecuting their researches in Germany and Austria, applied the same name to similar rocks which contained, amongst others, Posidonomya Becheri, common to the phase of sedimentation in both areas.

The Culm measures of the Devonshire district are folded into a broad syncline with its axis running east and west; but within this major fold the rocks have been subjected to much compression accompanied by minor folding. This circumstance, together with the apparent barrenness of the strata, has always made a correct interpretation of their position and relationships a matter of difficulty; and for long they were regarded as an abnormal expression of the Lower Carboniferous, with the uppermost beds as doubtful equivalents of the Millstone Grit of other parts of Britain. The labours of W. A. E. Ussher and of G. J. Hinde and H. Fox have resulted in the differentiation of the following subdivisions in the Devonshire Culm:—(1) Upper Culm Measures or Eggesford grits; (2) Middle Culm Measures, comprising the Morchard, Tiverton and Ugbrooke lithological types overlying the Exeter type; (3) Lower Culm, the Posidonomya limestone and shale overlying the Coddon Hill beds with radiolaria. Ussher’s subdivisions were introduced to satisfy the exigencies of geological mapping, but, as he pointed out, while they are necessary in some parts of the district and convenient in others, the lithological characters upon which they are founded are variable and inconstant. More recently E. A. N. Arber (1904–1907) clearly demonstrated that no palaeontological subdivision of the Upper Culm (Middle and Upper) is possible, and that these strata, on the evidence of the fossil plants, represent the Middle Coal Measures of other parts of the country. Wheelton Hind has called attention to the probability that the Posidonomya limestone and shale may represent the Pendleside group of Lancashire, Derbyshire, &c. The Coddon Hill beds may belong to this or to a lower horizon. Thus the English Culm measures comprise an Upper Carboniferous and a Lower Carboniferous group, while in Germany, Austria and elsewhere, as it is important to bear in mind, the Culm, or “Kulm,” stage is shown by its contained fossils to belong to the lower division alone.

The typical Carboniferous limestone of the Franco-Belgian area changes as it is traced towards the east and south into the sandy, shaly Culm phase, with the characteristic “Posidonia” (Posidonomya) schists. This aspect of the Culm is found in Saxony, where there are workable coals, in Bohemia, Thuringia, the Fichtelgebirge, the Harz, where the beds are traversed by mineral veins, and in Moravia and Silesia. In the last-mentioned region the thickness of the Culm formation has been estimated