64 VARIATION, DISTRIBUTION, AND EVOLUTION OF THE GENUS PARTULA. 
TABLE 25.—Partula gibba, Guam. Statistical description: range of the fundamental characters. 

Shell. Aperture. Length aper- 
: ture + length 
Series. No. shell, propor- 
Length Width. Proportions. Length Width. Proportions. tions. 
Northeast Region: mm. mm. p. ct. mm. mm. p. ct. p. ct. 
Taragueccissccccden 0 291| 14.75 —19.85 10.1 —13.5 62.5 —75.5 8.7—11.1 6.3 —8.1 67.5 —81.5 $1.5 —61.5 
Santa Rosay.hec. <1 69} 15.95 —18.35 10.9 —12.9 65.5 —74.5 8.9 —10.3 6.5 —7.9 69.5 —79.5 51.5 —59.5 
Asados eer tu tsukas = 140} 15.65 —18.95 10.7 —13.3 62.5 —76.5 8.7 —10.5 6.5—8.1 69.5 —82.5 50.5 —60.5 
Whole region..... 500} 14.75 —19.85 10.1 —13.5 62.5 —76.5 8.7 —11.1 6.3 —8.1 67.5 —82.5 50.5 —61.5 
East Central Region: 
Lolow es) ace faa toe 222| 14.45—18.35 9.3—12.7 63.5—74.5 8.3 —10.3 6.1—7.7 68.5—78.5 $3.5—59.5 
Batrigarda.?.).1. er 182} 15.05—18.05 10.5—13.3 64.5—74.5 8.7 —10.7 6.5—7.9 69.5—78.5 §2.5—61.5 
Uktidu ys: Giece accra 71) 15.95—20.15 10.5—13.5 62.5—76.5 9.1—11.3 6.7—8.3 68.5—78.5 53.5—59.5 
Dededoiee. ans tae 102} 16.25—18.65 11.1—13.5 63.5—75.5 9.1—10.7 6.5—7.9 69.5—79.5 54.5— 61.5 
SaUCiOn aac sere es 12} 16.55 —18.65 11.3 —12.5 65.5 —72.5 9.5 —10.5 6.9 —7.7 71.5 —77.5 55.5 —58.5 
Whole region..... 589} 14.45 —20.15 9.3 —13.5 62.5 —76.5 8.3 —11.3 6.1—8.3 68.5 —79.5 52.5 —61.5 
South Central Region: 
Vig, upper... ..... « 120} 15.35 —18.05 10.7 —13.1 63.5 —73.5 8.5 —10.5 6.5 —7.7 69.5 —77.5 53.5 —60.5 
Pago, north... 71) 15.95 —18.65 11.1 —13.5 65.5 —74.5 9.3 —10.9 6.9 —8.3 68.5 —81.5 54.5 —60.5 
onit >. .ecs pis cae oe 15} 17.75—19.25 11.7 —12.7 64.5 —69.5 9.9 —10.7 7.1-7.5 69.5 —74.5 53.5 —57.5 
Ordott eee ey ater 29} 16.25 —18.05 11.1—12.7 67.5 —73.5 9.3 —10.3 6.9 —7.5 69.5 —76.5 54.5 —60.5 
Macajna, second....} 134} 15.05 —18.05 10.5 —12.9 64.5 —74.5 8.7 —10.3 6.3 —7.7 66.5 —78.5 53.5 —60.5 
Macajna, first...... 16} 16.25 —18.65 11.3 —12.7 66.5 —72.5 9.1 —10.3 7.1—7.7 71.5 —77.5 55.5 —59.5 
Bonte: A econ ants 202| 15.65 —18.65 10.5 —13.1 64.5 —74.5 8.9 —10.7 6.3 —7.7 67.5 —79.5 53.5 —60.5 
Poste Bie cen. ss 75| 15.35 —18.35 9.9 —12.5 61.5 —72.5 8.7 —10.5 6.1 —7.7 67.5 —74.5 53.5 —59.5 
Asan; oi. eaten 38) 15.65—18.65 10.5 —12.7 65.5 —72.5 8.7 —10.3 6.3 —7.5 69.5 —77.5 53.5 —57.5 
Whole region..... 700} 15.05 —19.25 9.9 —13.5 61.5 —75.5 8.5 —10.9 6.1—8.3 66.5 —81.5 53.5 —60.5 
Coast Central Region: 
Amon sss yee sees 2} 17.15 —17.45 11.7 —11.9 66.5 —69.5 9.9 —10.1 7.1—7.3 70.5 —73.5 56.5 —58.5 
Ocon 7. ee. cae 14) 15.95 —17.45 10.3 —11.9 64.5 —71.5 8.7 —10.1 6.3 —7.3 72.5 —79.5 52.5 —58.5 
Timoneny:o- <>. 5%. 15} 15.65—17.45 10.7 —11.9 67.5 —72.5 8.9 —10.3 6.5 —7.5 69.5 —77.5 55.5 —60.5 
DyueCas te. see 33| 15.65 —18.05 10.5 —12.5 63.5 —74.5 9.3 —10.5 6.7 —7.7 69.5 —76.5 56.5 —61.5 
Agata (tacn seni cets 29} 15.95 —18.95 11.1—13.1 66.5 —74.5 9.1—10.7 6.7—-7.7 70.5 —79.5 52.5 —62.5 
Anigiacy. .-oceaeo- 219) 14.75 —18.95 9.9 —13.3 62.5 —74.5 8.5 —10.9 6.3 —7.9 68.5 —77.5 $1.5 —61.5 
Cetietérysi2.sc.66 - 38) 15.05 —18.95 10.1 —13.1 65.5 —72.5 8.7 —10.7 6.5 —7.9 68.5 —80.5 53.5 —60.5 
Presidio, outer...... 30} 15.35 —18.05 10.9—12.9 66.5 —74.5 9.3 —10.3 6.7—7.7 69.5 —76.5 54.5 —61.5 
Presidio, inner...... 62} 15.05 —17.45 10.7 —12.3 67.5 —74.5 8.7 —10.1 6.5 —7.3 71.5 —78.5 54.5 —59.5 
Whole region..... 442} 14.75 —18.95 9.9 —13.3 62.5 —74.5 8.5 —10.9 6.3 —7.9 68.5 —80.5 51.5 —62.5 
Apra Region: 
Orote d,amanemwres © 19} 15.95 —17.45 11.5—13.1 68.5 —76.5 9.3 —10.3 6.7 -7.7 71.5 —77.5 55.5 —60.5 
West Central Region: 
A PAE ne eee eee 6) 15.95 —17.75 11.3-—12.1 65.5—71.5 9.1—10.3 6.7 —7.5 70.5 —75.5 56.5 —59.5 
Salifan vo24nw eens. = 86} 15.95 —19.25 11.1—13.1 64.5 —73.5 9.1 —10.9 6.7 —7.9 69.5 —77.5 54.5 —60.5 
Southwest Region: 
Umatac Salonga... . 7| 16.85 —18.05 11.1—11.9 64.5 —69.5 9.7 —9.9 6.9 —7.3 69.5 —73.5 54.5 —57.5 
Umatac Pajom..... 9) 17.15—18.35 11.9 —12.9 66.5 —70.5 9.7 —10.5 7.1-—7.7 70.5 —76.5 53.5 —57.5 
Umatac Madog..... 6| 17.45—18.05 11.7 —12.3 67.5 —69.5 9.3 —10.1 6.9 —7.5 71.5—75.5 53.5 —56.5 
Merizo 7s) voolense se. 1} 17.45 12.5 7A ES 10.1 (pe Toon oy Pe 
Whole region....... 23} 16.85 —18.35 11.1—12.9 64.5 —71.5 9.3 —10.5 6.9 —7.7 69.5 —76.5 53.5 —57.5 
Whole island....... 2365} 14.45—20.15 9.3 —13.5 61.5 —76.5 8.3 —11.3 6.1 —8.3 66.5 —82.5 50.5 —62.5 







