52 Moll. 
MOLLUSCA. 
18. Austro-Polynesian Region. 
New Hebrides. Hyalinia ( Gonulus ) layardi, sp. n., Thomson (353). 
New Caledonia. Melania arthuri , var. n., Nevill, (277) p. 232. 
19. Polynesian Region. 
Marianne Islands. Melania hastula , var. n., id. t. c. p. 230. 
Guam. Melania acutissima , var. n., id. t. c. p. 227. 
Caroline Islands. Partula rufa (Less.) rediscovered on Onalan ; 
Hartman, (162) p. 221. 
Marquesas Islands. Partula magdalince and P. bellulce , id. t. c. p. 203. 
Navigator Islands. Melania scitula, var. n., Nevill, (277) p. 234. 
Society Islands. 139 species enumerated by Garrett (136), of which 
108 are peculiar; numerous species of Partula and of small Helicidce ; 
20 new species. 
Raiatea. Partula navigatoria (Pffr.) found here and not at Navigator 
Is. ; Hartman, (162) p. 208. 
20. New Zealand Region. 
New Zealand. 16 species (none new), most previously described by 
R. B. Watson & E. A. Smith ; enumerated by Hutton (191). 11 Lim- 
nceidce (5 new); id. (192). 
V.—NEANTARCTIC ZONE. 
21. Patagonian Region. 
Rio Grande. Umax variegatus recorded as recent arrival, and most 
American Limaces said to be identical with European ones and probably 
imported ; Jeering (202). 
Montevideo and La Plata. 4 species of Vaginula (2 new) ; Semper 
(332). 
Buenos Aires. Several land and fresh-water Gastropoda (2 new) re¬ 
corded by Doering (104). 
Argentine Republic. 2 gg. nn., 3 spp. nn. ; id. (105). 
22. Chilian Region . 
Vaginula nigra, sp. n., Heynemann (175). 2 species of Vaginula 
(1 new), Semper (332). 
23. Peruvian Region. 
Gallapagos Islands. Species of Bulimus from ; # Ancey, Le Nat. vii. 
p. 63. 
