CHAP. XXII.] 
MOLLUSCA. 
517 
Family 23. — LIMACIDiE.— (12 Genera, 116 Species.) 
General Distribution. 
Neotropical 
Sub-regions. 
N EARCTIC 
Sub-regions. 
Pallia rctic 
Sub-regions. 
Ethiopian 
Sub-regions. 
Oriental 
Sub-regions. 
Australian 
Sub-regions. 
1 .2 .3 .4 
1 .2 .3 .4 
3 - 
1.2. 3. 4 
1 . 2 . 3 . 4 
The Limacidse, or Sings, are widely distributed, but they are 
absent from South America, where they are represented by the 
next family. They also seem to be absent from the greater part 
of Africa. The genera are distributed as follows : — 
Limax (51 sp.), Palsearctic region, Australia and the Sand- 
wich Islands ; Anadenus (2 sp.), Himalayas ; PhilomycTius (9 sp.), 
North America, China and Java ; Avion, (25 sp.), Norway to 
Spain and South Africa ; Parmacdla (7 sp.), South Europe, 
Canary Islands and North India; Janella (1 sp.), New Zealand; 
Aneitea (1 sp.), NewHebrides and New Caledonia; Parmarion 
(4 sp.), India ; TriboniopJiorus (3 sp.), Australia ; Testacella (3 sp.), 
South Europe, Canary Islands, and New Zealand; Syalimax 
(2 sp.), Bourbon and Mauritius; Krynickia (8 sp.). Eastern 
Europe and North America. A few species of Limax, Avion , and 
Testcicella have been found fossil in Tertiary deposits. 
Family 24.— ONCIDIAD^:. (2 Genera, 36 Species.) 
General Distribution, 
Neotropical 
Sub-regions. 
Nearotic 
Sub-regions, 
Pal.uarctic 
Sub-regions. 
Ethiopian 
Sub-regions. 
Oriental 
S UB-REGIONS. 
Australian 
S UB-REGIONS 
1 . 2 . 3.4 
1 
1 1.2 
4 
1 . 2 . 3 .3 
-t 
1 
« 
1 
The Oncidiadae, or Slugs with a coriaceous mantle, inhabit 
the Oriental region, Mauritius, Australia, the Pacific Islands, 
South America and South Europe. The genera are : — 
