CONTENTS. ix 
, PAGE 
11. Papua and New Ireland ..... Bean einen ois atsiwvelaler cer « 108 
MaRS CATO ROSION , occ ns dcaceceeseaceees veces 103 
fo. Sout Australia.and Tasmania. ........0..caeciee 104 
Erm NEC AN ATU ps0 a: bona ipo ss nace =: sive. ooa,e-0, 0 w/Sjerk’s, ww d «aie 104 
15. Polynesian Region; Salomons, New Hebrides, New 
Caledonia, Feejees; Friendly, Navigator’s, Society 
Islands; Low Coral Islands; Sandwich Islands 104 
16. Canadian Regions: New England ................ 106 
PE AGE AIUTLO SOLALCS) cie-arers «v1 6\ eG sv 6-0 we “\e.0: aimee 6m vehelee es ne LO 
MOMMA CTICAM ELC OIOM sc). si. Pes edde sack she Laneemaes 108 ~ 
MO Ce OMe ly CAMfOTMIAs 52 wela gc nei bis eee ae aa enTa 109 
eam eal CATE NEVCOUVOD, 3 ata iascsrallaiab oven er Aesielaale cucu se wa) ate wets 109 
Zl loer We Jin EE Se ene eae a ae ust Uansapareinie ty apeeneg ae eaiees 110 
22 Columbian, Resion.;. Galapagos. ...2..) 7.2.0. ne eee. 111 
me SUAZA LATIN EVERTON 20. 55,0 vee a. aa che rm ofae/ale oeoere elessraiatetanee 112 
Se CLAM AATE TUCOIOINs wcll, vale laiclalele csr al'n ee elas eee tomcat ey 113 
DMA CIDE) HNERTON Seas) eemiae stelle Boia ciee saan gunna 114 : 
26. Chilian Region; Juan Fernandez ................ 114 
27. Patagonian Region; Fuegia, Falklands ............ 115 
CHAPTER III. 
DisrkisuTION oF THE Motivusca In Time.—Geological Table; 
Gistribution of Species in the Strata; of Genera; table of 
Characteristic genera; table showing range of genera; range 
of families; numerical development in time.— Order of appear- 
ance of groups of shells; order of succession.—Migration of 
species and diffusion of Genera in former times.—Method of 
Geological investigation.—Tertiary Age.—Secondary Age.— 
Paleozoic Age.—Numerical estimate: living and fowsil 
STUDS eo clas oR EN CIEE ESTEE TE game a PUES a rire SN 117 
CHAPTER IY. 
On Coxttectine SuELus.—Land-shells; elevation on mountains, 
—Fresh-water shells.—Sea-shells, littoral species; floating 
mollusca: the towing-net; trawling; kettle-nets; deep-sea 
fishery. mapping, whelks; dredging. .... 2. -.2seec00ssepes 136 
Dredging papers, by M‘Andrew and Barrett, Norway.......... 144 
Wredeme papers, by Forbes, Algean 2.2... 02cece ss rene ee 148 
Zones of depth: littoral; laminarian; coralline; deep-sea coral 
eee Ta eo oops a oats oi ciord’ ss 6.6 otis oes the oe os 's/4sis.nleyele 151 
Preservation of Molluscous animals for examination ........s0008 10a 
