226 Geology. 



of Pleurosternum from the Purbeck beds of Swanage, were 

 purchased. 



A unique specimen of the extinct Chimaeroid fish, Squalornja 

 potyspondyla, described by Mr. W. Davies (Geol. Mag., vol. ix., 

 1872), was acquired by purchase. 



The first instalment (Univalves) of the R E. Edwards 

 Collection of Eocene Mollusca from the south-east of England, 

 including the specimens described in Mr. Edwards' Monograph 

 published by the Palaeontographical Society, was purchased. 



Total number of acquisitions, 36,986. 



1873. 



The valuable general collection of fossils made by Dr. Bright 

 of Bristol was presented by Mr. Benjamin Bright. 



Among Mammalia the most noteworthy addition was a series 

 of remains of pigmy elephants, collected and described by Dr. 

 A. Leith Adams, and acquired by purchase from him. A 

 cranium and other bones of the Miocene Sirenian, Halitherium, 

 from Hesse-Darmstadt, were also purchased. Some Pleistocene 

 Mammalian remains from the Porcupine River, Canada, were 

 presented by Rev. Robert Macdonald Dr. George Bennett's 

 donations of fossil Marsupialia from Queensland were continued. 



The unique skull of the bird with denticulated jaws, 

 Odontopteryx toliapica, from the London Clay of Sheppey, was 

 purchased from Mr. B. M. Wright. 



Some Reptilian remains from the Kimmeridge Clay of 

 Weymouth, including a large humerus described by Mr. Hulke 

 as Cetiosaums humerocristatus, were acquired by purchase. Half 

 of the type-specimen of Dolichosaurtts longicollis from the Chalk 

 of Kent, was also purchased. 



A unique specimen of Pteraspis crouchi, showing scales, from 

 the Lower Old Red Sandstone of Worcestershire, was presented 

 by Prof. E. Ray Lankester. 



The second instalment of the F. E. Edwards Collection of 

 English Eocene Mollusca, comprising over 13,000 specimens, was 

 purchased. Numerous British fossil Invertebrata from the 

 collections of Mr. S. Allport and Rev. Charles Croft, were also 

 purchased. A remarkable group of star-fishes, Oreaster bulbiferus, 

 from the Upper Chalk of Bromley, Kent, was prepared by 

 Jeremiah Simmons and sold by him to the Museum. 



Total number of acquisitions, 18,501. 



