dent of the Argentine Republic similar to the courtesy which has been extended hitherto by all of the steamship companies conveying these replicas to their foreign destinations.  In the latter part of August or September the Director of the Carnegie Museum and his assistant, Mr. A. S. Coggeshall, will probably sail for South America for the purpose of installing the specimen in the Museum at La Plata.



Meanwhile, King Alfonso of Spain, through the Spanish ambassador at Washington, has likewise preferred a request for a replica to be placed in the National Museum at Madrid, and this is being made in the laboratory of the Carnegie Museum.  The entire cost of makeing these reproductions of the huge monster is privately defrayed by Mr. Carnegie, without drawing upon the resources of the endowment fund of the Museum and Mr. Carnegie also defrays the expense of the isntalment of the specimens.  The fromal presentation is generally accompanied, whenever it occurs, by pleasant ceremonies, in which the generosity of the donor is appropriately celebrated.



The Diplodocus has come to be know as "the beast which has made palentology popular", and no monster of the past has ever attracted as much attention in scientific circles and among the rulers of the earth as the great quadruped that fossil bones of which stand in the Museum of Pittsburgh.  Fifteen millions of years ago, when the hulking creature lay down and died in the midst of Mesozoic mud, had it possessed powers of thought, it might have reconciled itself to its untimely end could it have