136 JOURNAL OF CONCHOLOGY. 
ON THE OCCURRENCE OF 
ALECTRYONIA UNGULATA, IN S.E. AFRICA; 
WITH A NOTICE OF PREVIOUS RESEARCHES 
ON THE CRETACEOUS CONCHOLOGY 
OF SOUTHERN AFRICA. 
By k. BULLEN NEWTON, F.G.S., of the British Museum. 
(Read before the Conchological Society, July 3rd, 1895). 
During a visit to this country, some months ago, Mr. David 
Draper, F.G.S., presented a specimen of Alectryonia ungulata 
to the British Museum (Nat. Hist.), which he had found on the 
beach at Sofala, off S.E. Africa, and which had evidently, from 
the colour of its matrix, been washed out of a red-coloured 
limestone formation. 
The chief interest of this fossil shell lies in the fact that its 
characters afford reliable evidence of the presence of the upper- 
most cretaceous rocks in this part of Africa. Hitherto thése 
strata have only been traced from the southern boundary of 
Natal to St. Lucia Bay in Zululand, so that their extension some 
seven hundred miles further northward is proved by this 
discovery at Sofala. 
This species has a wide geographical range, having been 
recorded from England (near Cromer), France, Belgium (Ciply, 
near Mons), Holland (Meestricht), Sweden (Balsberg), Russia 
(Crimea), Spain, Algeria, Suez, Asia Minor, India (Pondicherry), 
Madagascar (Ambohitrombikely), and the United States 
(Alabama and New Jersey). The following synonomy will be 
of service in showing the variety of names under which it has 
been known to science : 
Alectryonia ungulata* Schlotheim sp. 
1768.—| Figures only|—Knorr: Recueil cat. petrifications, vol. 
i,, section 1.,. pl. D. vit, figsigauGs 
(Meestricht). 
*This synonomy is mostly compiled from H. Coquand’s ‘‘ Monographie du genre, Ostvea— 
Terrain crétacé,” 1869, p. 58. 
J.C., vili., Jan. 1896, 
