On Cretaceous Cephalopoda from Zuhdand. 265 



Further, the typical 



Mortoniceras utnkwelanense, Crick, 



so that up to the present tweuty-uiue species and varieties have been 

 described from this locality.* The form figured by Etheridge as 

 " Creniceras (?) sp. ind." is not included, since its systematic position 

 is quite uncertain, and since it may not even be a cephalopod. 



Woods and Newton considered the TJmkwelaue Hill fauna to be of 

 the same age (Campanian) as that of Pondoland. The occurrence, at 

 Umkwelane Hill, of a form (Mortoniceras woodsi, nov.) that is very 

 close to M. delawarense, confirms the presence of the Campanian, and 

 there certainly is no indication of any Cenomauian or " Vraconnian " 

 admixture in this fauna, as suggested by Lemoine.f On the other 

 hand, the Maestri chtiau, or part of it, may also be represented in 

 South Africa. Parapacliy discus of the coUigatus type are quoted both 

 from Campaiiiau and MaestrichtianJ deposits ; and Placenticeras 

 nmkwelanense, compared by Etheridge with P. placenta, also the two 

 Nostoceratids, recall Maestrichtian forms. According to Woods, 

 Pseudopliyllites indra occurs in the basement bed of the Pondolaud 

 deposit ; and Haug calls the "Anisoceras " and Trigonoarca beds of 

 the Valudayur group (with Pseudopliyllites indra} Maestrichtiau, but 

 in the writer's opinion, the many large Mortoniceras, characteristic of 

 Soutli Africa, are pre-Maestrichtian. 



The occurrence, in the Poudoland Collections, of these Mortoniceras 

 in the same blocks with Hauericeras yardeni and with Pseudoschloen- 

 bachia, makes it probable that they are, indeed, Upper Senonian. De 

 Grossouvre's contention that the Pondoland deposits are of Lower 

 Senonian age and somewhere near the limit of the Coniacian and 

 Santonian divisions has been questioned by Woods, who stated that 

 " the probability that one zone only is represented is supported by the 

 observations made by the Survey that most of the species range through- 

 out the deposit, as well as by the small thickness of that deposit." 



* Newton (loc. cit., p. 96) recorded the occurrence of a Baculites, closely 

 resembling B. bailyi, Woods, in the matrix of an Umkwelane Hill specimen. 



t ' Etudes Geol. dans le Nord de Madagascar/ Paris, 1906, p. 396. On this 

 page Lemoine puts part of the Umkwelane Hill beds (with Mortoniceras and 

 " Anisoceras ") as equivalent to the Utatur beds of Southern India, but on p. 403 

 he classes the faiina, described by Etheridge, as Senonian, whereas in the table 

 on p. 405 the former beds (with Mortoniceras and "Anisoceras") are, perhaps 

 through a slip, included in the Turonian. 



J The specimen here described as P. n. sp. aft', colliijatus shows very good 

 agreement with a typical French example (B.M., No. C524), except that it is 

 thicker. 



Loc. cit. (1906), p. 346. 



22 



