^{page 495 note *} The bearings given are from true north. The variation has been taken as 18° W.; at Benguella it is 18° 10' W.; at Huambo Fort 17° 53'; it decreases to the north-east.

The spelling of place-names varies considerably, and K has been often used instead of C. I have followed in most cases the spellings adopted on the Portuguese map of Angola (2nd edit., 1910) and by the Benguella Railway Co.

^{page 496 note *} According to Schlumberger (1888) the foraminifera indicated a Miocene horizon as well.

^{page 497 note *} These, and an account of the country visited, are published in Gregory, 1913.

^{page 498 note *} Mr Crick tells me that this ammonite is now included in the genus Mortoniceras.

^{page 499 note *} For the names of the gastropods and lamellibranchs I am indebted to Mr R. B. Newton.

^{page 503 note *} Sections of limestone from the road cutting (p. 502) retain the internal structure; the corallites are about 2· mm. in diameter.

^{page 504 note *} One of them was at first a flowing well. Both at first gave good water, but after heavy rains all the water from the deeper well became too charged with magnesia to be of use; and though this well was several times pumped dry, the water never, recovered its original good quality.

^{page 504 †} The kilometre distances are those along the railway from Lobito.

^{page 512 note *} There is another Cutato in the district, which is a tributary to the Zambesi.

^{page 512 note †} Thus spelt by A. De Andrade; spelt Landulo by Varian, and also as Londulo.

^{page 521 note *} According to current nomenclature Douvilleiceras.

^{page 522 note *} Mr A. Holmes (1915, p. 231) also refers to the Dondo coal-bearing shales and grits of North-Western Angola as of Lower Karroo age. Cornet (1894, p. 195) says it is pre-Jurassic.

^{page 523 note *} cf. Cornet, 1894,1 and 2,1896, and a later synopsis of his classification, 1912, 1.

^{page 524 note *} This Hungry Country is said by Captain Boyd Cunninghame (1904, p. 155), who knows it well, to have a good soil, and he regards its poverty as unexplained.

^{page 529 note *} A description of these and other alkaline igneous rocks from this area by Mr A. Holmes is now in course of publication (Holmes, 1915).