BIOLOGY. 
Moll. 39 
19. Polynesian Region. 
Hawaiian Is.: — 30 new species of Achatinellidce j" Baldwin (18). 
Tonga Is. : — Melania leefei , n. sp. ; Brot (57). 
20. Neozelanian Region . 
New Zealand : — Additions and corrections to list ; Suter (422) : the 
larger species of Paryphanta ; Travers (445) : P. hochstetteri found at 
low levels ; Kingsley (230) : Endodonta prestoni, n. sp. ; Sykes (425). 
e . Neantarctic Zone. 
21. Patagonian Region . 
Paraguay : — Mollusca from, with Unio paraguay anus , n. sp. ; Martens 
(265). 
22. Chilian Region. 
[None.] 
/. Neotropical Zone. 
23. Peruvian Region. 
Galapagos Is. : — Bulimulus , 2 new species ; Dall (111). 
24. Columbian Region . 
Columbia : — Bulimus corticosus t n. sp. ; Sowerby (407). 
Ecuador : — Buliminus bu-chleyi , n. sp. ; Sowerby (407) : Clausilia 
deyrollei , n. sp. ; Ancey (8) : Ampullaria tenuissima, n. sp. ; Jousseaume 
(222). 
25. Brazilian Region . 
Brazil : — Hemitrichia guimarasensis , n. sp. ; Tiiiele (436) : Helix 
leopoldina , n. sp. ; Strubell (421) : Strophocheilus erythrosonia,oosomus, 
n. spp. ; Pilsbry in Tryon (449). 
26. Mexican Region. 
Central America : — Species of Veronicella , two possibly new ; 
Cockerell (81). 
Mexico On some Pulmo?iata, with new species of Glandma, Otosto- 
vms, and Orthalicus ; Rolle (354) : notes on W. Mexican species \ 
Cooper (91) : new species of Holospira and Unio ; Dall (106) : Byihi- 
nella palomasensis, n. sp. ; Pilsbry (330). 
Lower California : — Notes on a few land shells with Bulimulus decipiens , 
