Further notes on the tortricid mothAcalla comariana zeller J. C. F. Fryer OriginalPaper Pages: 195 - 202
The sex ratio at the time of emergence and the occurrence of unisexual families in the gall midges (Cecidomyidae, diptera) H. F. Barnes OriginalPaper Pages: 225 - 234
Inheritance of sex, colour and hairiness in the raspberry,Rubus idaeus L. M. B. CraneW. J. C. Lawrence OriginalPaper Pages: 243 - 255