Turonian ammonite assemblages are described from six localities in the Ojinaga and Boquillas formations of Chihuahua in northern Mexico. These assemblages reveal the presence of the middle Turonian zones of Collignoniceras woollgari and Prionocyclus hyatti far to the south of previously documented occurrences. The Mexican collections include co-occurring collignoniceratids, known from as far north as Montana, and Tethyan euomphaloceratines and coilopoceratids. One species, Puzosia (Puzosia) serratocarinata, is new.

As already stated in the first part of this paper, a regular gradation may be traced from the cassiterite-wolframite lodes to wolframite-quartz veins without cassiterite, a type which appears on the whole to be more common in America than elsewhere. In many cases this difference is clearly due to a more complete differentiation of the magma, but in other instances a purely igneous origin is less conclusively established. In Cornwall and other granitic areas a tin-wolfram lode can sometimes be traced continuously into a wolfram lode, and this again into a pure quartz vein. Here the pegmatitic origin of the lodes is demonstrated, and as a rule the wolfram is accompanied by'fluorite and other recognized pneumatolytic minerals, as well as by sulphides similar to those found in the tin lodes. Thus the genetic connexion with the tin-bearing types is beyond doubt. In a few instances only wolfram is found in association with gold ores; the significance of this will be discussed in a later section.

So far as the writer has been able to ascertain, the occurrence in British Malaya of coal in vertical veins, as distinct from coal interbedded with sediments, was first recorded in 1908 by Mr. J. B. Scrivenor, who described an example in a tin mine in alluvium at Siputeh, west of Batu Gajah, Perak.

There is not in Great Britain any coal-field so characeristic as that of South Wales; nor one which in outward appearance so little agrees with the general notion as to what a coal-field should be like. Instead of the barren and monotonous surface that we usually find in Durham, Staffordshire, Lancashire, or Scotland, we find scenery of a high order,—lofty hills, romantic dales, broken scaurs, and woods feathering down to the banks of the streams that run brawling to the Bristol Channel. It is a wonder indeed that tourists do not oftener explore these gems of South-West landscape, particularly as every valley is now accessible by railway. Nor is it merely in scenic interest that the basin is peculiar; for the very physical arrangement which gives the hill and dale enables much of the coal to be won by level, instead of pit, thus forming a marked feature in the economy of the working. It is with regard to this physical geography that I would say a few words, as viewed in relation to the geology of the basin.

A new species of the genus Worthoceras has been recognized in material from a borehole (Bóly-1) in southern Hungary. Worthoceras pygmaeum sp. nov. co-occurs with typical Upper Albian (Stoliczkaia dispar Zone) ammonites. It seems likely that the genus Worthoceras arose in early late Albian times in North America and migrated eastward (Europe). During the Cenomanian it reached the southern margin of Tethys (Madagascar, India). It reached its most widespread distribution in Turonian times (from North America to New Zealand) and then became extinct. Beside the increasing area and growing dimensions, the strengthened sculpture is characteristic of the Worthoceras evolution.

There are left to us at the present day but a few of those naturally-gifted masters in science whose career may be fitly likened to that of the illustrious Faraday; to this type of man belongs Professor John Morris among geologists. Though occupying a modest position in society, and possessing but few of the advantages which the world offers, Professor Morris has achieved for the science of his choice a vast amount of popularity and recognition; and during a long career he has by his eloquence, his unassuming manner, and straightforward, earnest, and warm-hearted friendship, exercised a powerful influence over all with whom he has been brought in contact.