iv CONTENTS. 



PART II. THE DATA ARRANGED BY SPECIES Continued. 



Coccinellini Continued. Paue 



Coccinella 57 



perplexa 57 



tricuspis 59 



novemnotata 5'. 



johnsoni 61 



transversoguttata 61 



calif ornica 62 



monticola 63 



difficilis 64 



suturallis 64 



prolongata' 64 



Cycloneda 65 



sanguinea 65 



munda 65 



ater 65 



Olla 66 



abdominalis 66 



pi agi a ta 66 



Adalia 67 



bipunctata 67 



frigida 68 



annectans 70 



Cleis 72 



picta 72 



hudsonica 72 



Agrabia 73 



cy anoptera 73 



Anisocalvia 73 



duodecimmaculata 73 



quatuordecimguttata 73 



Anatis 74 



quindecimpunctata 74 



mali 74 



rathvoni 74 



lecon tei 74 



Epilachnini 75 



Epilachina 75 



borealis 75 



toweri 78 



corrupta 79 



mexicana 79 



PART III. GENERAL DISCUSSION 81 



Variation 81 



Modification 84 



Distribution 86 



Heredity 91 



Phylogeny 94 



Evolution 95 



Summary of conclusions 102 



Bibliography 103 



