10 Mamm. 
MAMMALIA. 
ology of each order is fully described, and the sub-orders, families, and 
genera are all properly arranged and characterized, and the whole is illus- 
trated with a large number of woodcuts. The arrangement is somowhat 
different from that afterwards put forward by the author (see next 
reference), the Ungulata and Sirenia being separated by the Chiroptera , 
Insectivora, and Iloclentia , the special articles on which were written by 
C. E. Dobson. 
[Flower, W. H.] On the arrangement of the Orders and Families of 
existing Mammalia. P. Z. S. 1883, p. 178. 
The following is the arrangement adopted : — 
Sub-class Prototlieria or Ornithodelphia. 
Order Monotremata. Two families. 
' Sub-class Metatheria or Didelphia. 
Order Marsupialia. Six families. 
Sub-class Eutheria or Monodelphia. 
Order Edentata. 
Sub-order Pilosa. Two families. 
,, Loricata. One family. 
,, Squama ta. One family. 
,, Tubulidentata. One family. 
Order Sirenia. Two families. 
Order Cetacea. 
Sub-order Mystacoceti. One family. 
„ Odontoceti. Three families. 
Order Ungulata. 
Sub-order Artiodactyla. 
Suina. Four families. 
Tragulina. One family. 
Tylopoda. One family. 
Fecora. Four families. 
Sub-order Perissodactyla. Three families. 
,, Uyracoidca. One family. 
„ Prohor, cidea. One family. 
Order Podentia. 
Sub-order Simplicidentata. Fifteen families. 
„ Duplicidentata. Two families. 
Order Chiroptera. 
Sub-order Mcgachiroptera. One family. 
„ Microchiroptera. Five families. 
Order Insectivora. 
Sub-order Dermoptera. One family. 
„ Insectivora vera. Niue families. 
Order Carnivora. 
Sub-order Pinnipedia. Three families. 
„ Carnivora vera or Fissipedia. 
Arctoidea. Four families. 
Cy noidea. One family. 
JEluroulca. Four families. 
