268 Geological Society. 



tered through the series. The author referred to the indications of 

 depth of deposit and other conditions furnished by these Mollusca, 

 and also to the resemblance presented by many of them to certain 

 bivalves common in the same rocks, which he regarded as a sort of 

 mimicry, 



" Observations on Remains of the Mammoth and other Mammals 

 from Northern Spain," By A, Leith Adams, Esq., M,B,, F,R,S., 

 F.G.S. 



The remains noticed in this paper were obtained by MM, O'Reilly 

 and Sullivan in a cavern discovered at about 12 metres from the 

 surface, in the valley of Udias, near Santander, by a boring made 

 through limestone in search of calamine. They were found close to 

 a mound of soil which had fallen down a funnel at one end of the 

 cavity, and more or less buried in a bed of calamine which covered 

 the floor. The cavern was evidently an enlarged joint or rock- 

 fissure, into which the entire carcasses, or else the living animals, 

 had been precipitated from time to time. The author had identified 

 among these remains numerous portions, including teeth, of Ele- 

 jphas primir/enii(S, whit-h is important as furnishing the first instance 

 of the occurrence of that animal in Spain. He also recorded Bos 

 primigenius and Cei-vits elaphus ?, and stated that MM. O'Reilly and 

 Sullivan mention a long curved tooth which he thought might be a 

 canine of Hippopotamus. 



February 7th, 1877,— Prof, P. Martin Duncan, M.B., F.R.S,, 

 President, in the Chair. 



" On new Species of Belemnites and Salenia from the Middle 

 Tertiaries of South Australia," By Ralph Tate, Esq,, F,G,S, 



The author noticed the occurrence in deposits of supposed 

 Miocene age in South Australia of a species of Belemnite {Belem- 

 nites senescens) and a Scdenia (S. tcrtiand). These fossils were 

 obtained from Aldenga, twenty-six miles south of Adelaide, on the 

 east coast of St. Vincent's Gulf, where the long series of sea-clifFs 

 contains an assemblage of fossils identical with that of the Murray- 

 River beds. The Salenia is especially interesting on account of the 

 discovery of a living species of the genus by the naturalists of the 

 ' Challenger.' 



" On Mauisaurus Gardneri (Seeley), an Elasmosaurian from 

 the base of the Gault at Folkestone," By Harry Govier Seeley, Esq., 

 F,L,S,, F,G.S. 



The author described the skeleton of a great long-necked Saurian 

 obtained by Mr. J. S. Gardner from the Gault of the cliff at 

 Folkestone. The remains obtained included a tooth, a long series 

 of vertebrse, some ribs, bones of the pectoral arch, the femur, and 

 some phalanges, indicating a very large species, which the author 



