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state, and will probably not spin up before Spring. I was 
anxious, if possible, to perpetuate the breed (especially as 
the species may be extirpated or become very rare, owing 
to the heather and grass on the hills where it occurs having 
been all burned shortly after the middle of July). 
The first female escaped, but from another I obtained 
about 80 eggs; these hatched on the 8th October. The cold 
weather had almost destroyed Polygonum aviculare, so it 
became important to find a plant the larvae would feed upon 
which was procurable during the Winter, so I placed in a 
bottle sprigs of Stellario media, Senecio vulgaris, and Erica 
Mediterranea, along with such Polygonum aviculare as I 
could meet with, and I was pleased to find that the young 
larvae took very kindly to both the former species. Shoitly 
afterwards I had to leave home for the South of France, and 
left the larvae in charge of my son. The report from him, 
dated Nov. 20th, says, the larvae are feeding and thriving 
well : whether they will spin up before Spring or not I can- 
not say, but I think it probable they will become partially 
torpid during the Winter months, and feed up and spin in 
the Spring. The larvae hatched in July which did not spin 
up are still in the larva state, and take very little food, and 
I think they will continue in the same condition until 
towards next May. 
Additions to the List of Shells from Cymmeran Bay, 
Anglesea. Part IV. By John Plant, F.G.S. 
During the spring and autumn of 1876 the shores were 
assiduously searched, and the sea dredged along the coast, 
chiefly on the shingly banks where the oysters and 
Cardium echinatum are found so abundantly. The bottom 
of the oyster boats were carefully examined and afforded 
many choice specimens of the smaller shells with the 
animal either living or dead within the shells. 
The season, however, was not at all favourable for shore- 
