OF THE INTERIOR OF WESTERN AUSTRALIA. 287 
0. lll desert species are species endemie in extratropical 
Australia, including the S.W. corner. Of these: 
17 are known from the desert north of 30? alone. 
50 » » » south » 
44 » » " both north and south of 30°. 
P. 10 species endemie in extratropical Australia, and in the 
extratropical coast-region of West Australia, advance 
into the West Australian desert, but not to the S.W. 
corner. Of these: 
5 are known from the desert north of 30° alone. 
3 » » " south " 
2 » » » both north and south of 309. 
q. 21 species endemic in extratropical Australia including the 
the S. W. corner, and extending into the desert, are not 
known from the coast-region of the Western Colony 
north of 30°. Of these: 
3 are found in the desert north of 30° alone. 
17 » » south " 
1 occurs in the desert to the north and south of 30°. 
r. 68 species endemie in extratropieal Australia advance into 
the West Australian desert, but are not found either 
in the S.W. corner or in the coastal region of West 
Australia. Of these: 
22 occur in the desert north of 30? alone. 
21 » » south » 
17 » » both north and south of 30°, 
s. 3 species [Sida cardiophylla, Euxolus interruptus, Gom- 
phrena canescens] are endemic in tropical Australia, and 
pass into the northern part of the West Australian desert. 
t. 3 species [Mirbelia owyclada, Indigofera enneaphylla, Casua- 
rina Decaisneana], endemic in tropical Australia, pass 
thence into the Larapintine region of South Australia 
and into the northern part of the West Australian desert. 
u. 8 species endemic in tropical Australia extend thence into 
the Larapintine region of South Australia and into the 
West Australian desert. Of these: 
82 
