Vii CONTENTS. 
CHAPTER II. 
PAGE 
GEOGRAPHICAL DisTRIsuTION.—Land provinces; marine pro- 
vinces.—Specific areas; specific centres.—Generic areas; 
sub-generic areas.—Boundaries; influence of climate.—Origin 
DERPROMIBCES) 2 54. 06 so sacs sos 2d ss bas aisle 6 = 9 oe ee eee 
MarinE Provinces.—Arctic genera; tropical genera; cosmopo- 
CHIEU STEEDS | ea MERE cc - -, . . 
TPAT ECE TOVINCS 5505 5G. 2 oss bs a eee eee : 
It. Boreal Province: Norway, New England ........ 
nie. Celie Proyinee: Britain, Denmark’, —. >... 22 eee 
IV. Lwusitanian Province: Portugal, Canaries, Madeira, 
Azores, Mediterranean, Black Sea ............ 
we. Aralo-Caspian’ Prowince °. ..'. .c/s0-250+2-0% = See 
wae, West-Afriean Province 23....% 2...52. 0 see 
Wet. South—Adrican: Province, |... ..0c6 ss es eee ee 
VIII. Indo-Pacific Province: Red Sea, Persian Gulf .... 
IX. Australo-Zelandic Province: New South Wales, 
Tasmania, New Zealand... ?.........000. we aes 
Ke PI APONIC PLOVAINCE.... 20 xis 61eoGe leas eee 
XJ. . Aleutian Province: Ochotsk, Sitka .....5....:2.6 
Provinces on the Western Coast of America ........++000--- 
Ra Se Calitormian “Province... asi s. 2 2» oes > ee ee 
abhi. Panamic Province: Galapagos... 24. eee 
OA Ce Pernvdan ELOVINCE  . . <6 2. 0c -2)- 2 eels eae 
XV. Magellanic Province: Falkland Islands .......... 
RS Se Paiaconianeerovince <<... «sc +> > saree eee 
ava. Caribbean) Province... ss .i)2c0<'a.0e = 18 eee 
Rae, “Pransatlantic Province, =<)... -sleiiere a eee 
Laxp Recions.—Distribution of land and fresh-water shells ; 
genera of the Old and New World; arctic regions ........ 
1. Germanic Region: Siberia ...... 0.202 cecee eens 
2. Lusitanian Region: Mediterranean Islands; Madeira, 
Azores, Canaries, Cape de Verdes, Ascension .... 
Sr Helena Tristan d Acunmhay, «2%: oe see eee 
B.. VAdricanl MESON, . fis. fess ls a 2 58s) 22 ee 
AS Mape REGION 2. se wb oaks ol brt4,0' > «-9)s =| fz opine 
5. Yemen—Madagascar: Comoro Islands, Seychelles, 
Mauritius, Bourbon, Rodriguez ........++++--+: 
6. Indian Region; Ceylom .......0seee cesses ceeeeees 
fe, Chingand Japart ess ois s+ o's + 220 wizteteerric welbide ie 
8. Philippine Islands ..........ccceeeesscesssssavnce 
BE NAVA.” pc o dieu cs sivly ile op AE! 6s b/s.0 oil as ily ee 1 
BG, PSOLMCO © ois 0 isin ts sels iop > ob 50 gery oe oe s\sinihe sialaleters . 
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