( xx ) 
the parallelism existing between these two genera, he wished 
also to remark that in many cases the actual forms shown 
formed part only of a much larger mimetic association. 
Papers. 
The following papers were communicated :— 
“Studies in the TZetrigine (Orthoptera) in the Oxford 
Museum,” by JosepH L. Hancock, M.D., F.E.S. 
“A List of the Coleoptera of the Maltese Islands,” by 
Matcotm Cameron, M.B., R.N., and Dr, A. Caruana Gatto. 
“The Life History of Spindasis lohita, Horsf.,” by Joun C. 
KERSHAW. 
“On the Egg Cases and Early Stages of some South-Chinese 
Cassidide,” by Joun C. Kersnaw and Freperiok Muir. 
‘‘A Life History of Zesseratoma papillosa, Thunb.,” by JouHn 
C. Kersnaw, with “ Notes on the Stridulating Organ and 
Stink Glands,” by FrepErick Murr. 
“The Vinegar Fly (Drosophila funebris),” by Ernest E. 
Unwin, communicated by Professor L. C. Mian, F.B.S. 
‘On the Structure and Life History of the Holly Fly,” by 
Professor Louis Compton Mraz, F.R.S., and T. H. Taytor. 
The Secretary then read the following :— 
‘Note ON XANTHORHOK FERRUGATA, CLERCK, AND THE 
MenpeviAn Hyporuesis,” by Lronarp Doncaster, M.A., 
F.E.S. 
“Tn the Trans. Ent. Soc. 1906, Part IV., p. 525, appeared a 
paper by Mr. L. B. Prout on the inheritance of colour in 
Xanthorhoé ferrugata, in which it is concluded that the in- 
heritance of the two colour-varieties is not in accord with 
Mendel’s Law. I have no experience of this insect, but on 
reading Mr. Prout’s paper it seemed to me that he had over- 
looked one possibility, and that the evidence, as he gives it, is 
rather in favour of the belief that the inheritance in this case 
is Mendelian, than opposed to it. Mr. Prout assumes that the 
black variety is dominant in the Mendelian sense, because it 
more frequently found in the wild state, but the evidence 
shows clearly that the purple form is dominant and the black 
