PARTULA GIBBA, SAIPAN, 111 
are distinctly brown. Bringing together all of the data, the absolute numbers of 
both kinds produced by parents of the several classes are given in table 61. From 
the returns it appears that the lighter colored classes produce a preponderance 
TABLE 60.—Pariula gibba, Saipan. Aberrations in the order of 
embryonic contents. 


Number of 
: Embryonic contents. 
instances. 





Locality. 


Puntan, PlGres 4 ue~ ote: 1 er-Yite *e 
madoe T ase hes. tes sas 1 ey Y **e 
3 e Yee 
2 ee: .¥Y e&.e .e 
1 e, efoy Ven .é 
1 ewes YouYooek -¢e 
1 e e Y eee e 
1 Ve eulvi. Ghe 
Puntan Muchut......... 1 chor eam = 
Fanaganameeera sence: 2 eros te 
2 6, Xu (én Ce 
1 e. -Yave 62 ¢ 
1 Grave. Yaxe. e 
1 Ome al View Vel e 
1 Ney ty oe 
PEOREO 5 wick hsie.ct ats 5.6 e 7. Ys, ee 
Veuve oer re 
Astamanssi5 > eatesicns. 2 v 
1 a4 
Gara pans aaecot ete niece 1 ey 
2 e Ye 
1 Veer ay, 'e¢ 
1 Vie Seu o= 6 Coe 
Chalankiva) 3 ccu.s tec 3 Curt Va..enVe 
6 @oriv. ee 6. e 
1 e? “Vea Vo verse 
1 @). Cy Veues. 6 se 
1 elley Yeh ie 
1 e ey Y Y e 
2 Yamer iW tier "eare 
TABLE 61.—Partula gibba, Saipan. Comprehensive statistics 
of heredity of color. 

Young. 
Parent class. 
Brown, Total. 
458 
1,574 
675 
188 
473 
3,368 

of light young and that the dark castanea adults bear dark young in the main; 
but some members of both adult divisions contribute young of the contrasted 
phase to the following generation. Either such cross-production is spontaneous, 
