Geology. 501 



abundance and variety of three-toed horses, certain species of 

 which show distinct approach to the Pleistocene JEquus and Hip- 

 pidion, and (4) in the abundance of gigantic camels of the genus 

 JPliauchenia . A new genus, two new sub-genera and a number 

 of new species are described. r. s. l. 



8. The Vertebrata of the Oligocene of the Cypress Hills, Sas- 

 katchewan y by Lawrence M. Lambe, F.G.S., F.R.S.C. Contri- 

 butions to Canadian Paleontology, Vol. Ill (quarto), Part IV, 

 pp. 1-64, with Pis. I-VIII and 13 text-figures. — In the introduc- 

 tion, Mr. Lambe gives a brief sketch of the discovery of the 

 Cypress Hills Tertiary beds, from which collections were made 

 for the Canadian Geological Survey in 1883, '84, '88, and '89, and 

 finally by Lambe himself in 1904. The collections previous to 

 the last were described by Prof essor Cope, his final report appear- 

 ing in 1891 as part of the present volume. 



The Cypress Hills deposits are correlated in a general sense 

 with the Oligocene Titanotherium beds, some of the upper 

 members being possibly synchronous with the Oreodon beds. 

 Whether or not the time-equivalents of the Protoceras levels are 

 here represented is problematical. In all over fifty species are 

 described, of which more than half are new. They consist of 

 fishes, reptiles, and mammals, the latter including a marsupial, 

 ungulates, rodents, and carnivores. The plates are the result of 

 the author's beautiful brush work. r. s. l. 



9. Commissao de estudos das Minas de Carvao de Pedra do 

 Brazil. JRelatorio Final, Parte II, Mesosaurus braziliensis,nov. 

 sp. do Permiano do Brazil ; by J. H. MacGregor, 1908, pp. 

 302-335 and 5 plates. — This reptile was collected in the bitumi- 

 nous shales in the state of Paranda, southern Brazil, and is interest- 

 ing from two viewpoints : first in its adaptation to aquatic life, 

 being the first known reptile to forsake the land and return to the 

 habitat of its remote ancestors. The second feature of interest 

 is its reference to a genus hitherto known only from the Permian 

 of South Africa, and in fact indistinguishable from it, which is 

 further evidence for ancient land connection between the two 

 southern continents. , r. s. l. 



10. The Skull and Dentition of an extinct Cat closely allied to 

 Felix atrox Leidv ; by John C. Merriam. Univ. of Cal. Pub., 

 Bull. Dept. Geo!., Vol. V, No. 20, pp. 291-304, with pi. 26 — 

 This huge cat is one of the remarkable assemblage of Quaternary 

 animals from the asphalt death trap on the Rancho la Brea, near 

 Los Angeles. The general form of the skull is remarkably sim- 

 ilar to that of the recent African lion and to the cave lion of the 

 European Quaternary. The immense size may be realized from 

 the measurements ; among which the length is given as 395 mm , 

 or about 15| inches. r. s. l. 



11. Teratomis, a new Avian Genus from Rancho la Brea ; 

 by Loye H. Miller, Ibid., Vol. V, No. 21, pp. 305-317.— This 

 great raptorial bird from the asphalt deposits is much larger 

 than either the bald eagle or the California buzzard, and repre- 



