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The Entomologist's Hscord and Journal of Variation 



Subscription 7s. per Tolume (including a Special Index of every name used 

 in the volume). Send Post free. 



This is now the acknowledged leading scientific entomological Magazine 

 in Britain, and contains all the most recent views of writers in Entomological 

 science all over the world. The monthly summaries of work done in different 

 countries make this a ready means for every scientific worker to keep himself 

 aV faii with the advance of science. The advance of Philosophical and 

 Biological questions relating to insects is made a special feature as is also the 

 causes of their variation. 



Monthly critiques of the articles in the leading German and American 

 entomological magazines. A monthly summary of the scientific progress made 

 by the Societies. Current notes on entomological science from all parts of the 

 world. Practical Hints for collectors, as to breeding, capturing and preserving 



Subscriptions for the current volume 7p # should be sent by all scientific 

 entomologists and students to 



J. W. TUTT, F. E. S., 



Raleigh Yilla, Westcombe Hill, Blackheath, England. 1295 



PLASTER CASTS OF THE FOLLOWING MAMMALIA 



with dentition in good preservation, made under direction of 

 Professor E. D. Cope may be had by application to Jacob 

 Geisman, 2102 Pine St., Philadelphia. 



Pkenacodus primaevus Cope, (Wyoming) $100.00. Hy- 

 racotherium venticolum Cope, (Wyoming) $50.00. Protohippus 

 micabilis Leidy, skull $7.00. Protohippus pachyops Cope, skulls 



of adult and young, and P. fossulatus Cope, skull, $5.00 each. 



Tetrabelodonshepardiil*\&y, mandibular ramus and symphysis 



with two molars, $20.00. Dibelodon tropicus Cope, do., $15.00 ; 



Mastodon precursor Cope, last molar $5.00. The horses and 

 nastodons from the Cenozoic beds of Texas, are uncolored 



