30 FIELD MUSEUM OF NATURAL HISTORY 
The skeleton of the Irish deer from Limerick. Ireland, is that 
of a large Post-Pliocene deer, the bones of which are occasion- 
allv found in marl beneath peat beds in Ireland and England. 
The antlers of this animal have a spread of seven feet, and its 
height was nearly eight feet. (Hall 6o.) The skull of Diproto- 
do n, shown by a cast, represents an extinct member of the kan- 
garoo family from Australia. It differs radically in propor- 
tions from the modern kangaroo, in that the fore legs were longer 
than the hind ones. The body was equal in bulk to that of the 
rhinoceros. (Hall 6i.) The skull of Toxodon, shown by a 
cast is that of a short legged and cumbrous quadruped of im- 
mense size which lived in large numbers in Patagonia and the 
pampas of the La Plata. In habits it approached most nearly 
the modern hippopotamus. In structure it combined with the 
general proportions of the hoofed animals the large incisor-teeth 
common to gnawing animals and a structure of foot similar to 
that of the elephant family. Its nearest modern relative is the 
small tree-hyrax, found in Africa. J\I egalonyx was one of the 
great ground sloths similar to Megathcriiim. It is illustrated by 
the cast of a skull. The original of this specimen was found in 
Kentucky. 
Siviathcrium skull and fore legs are illustrated by casts. 
I his was a gigantic, four-horned antelope as large as an ox and 
much taller. It is found in the Siwalik Hills of India. Zcuglo- 
don, shown by the cast of a skull, is an extinct whale. 
Remains of the huge birds of New Zealand shown belong chiefly 
to the genus Dinoniis. A complete skeleton of one is shown, 
also leg bones of several species. The limbs rivalled in size and 
strength those of a horse. Casts of eggs of this and an allied 
genus, that of the latter having a capacity of two gallons, are 
shown. 
The following fossil vertebrates more or less contemporaneous 
with man are shown (Hall 6i): Perfectly preserved lower jaw 
with teeth, also other bones, of mastodon from Morocco, In- 
diana; skulls of fossil bison and musk ox from Alaska; limb 
bones and teeth of hippopotamus and bison from England, show- 
ing that these animals lived in England in comparatively recent 
times; skull of or cave bear. This was a bear of 
great size, frequently reaching a length of nine feet, the remains 
of which are found in Europe in caves with human bones. It 
was evidently contemporaneous with early man, but has been 
