182 Field Note. 
a couple under a stone at the foot of a tree near Mickleham,, 
and says it was quite an exceptional case in his experience, as. 
he had never before obtained any elsewhere than on willow, 
apple and elm trees. He suggests that the two specimens 
alluded to must have been like the members of the Quekett 
Club, out for an excursion, when he caught them. Wood, 
however, in his ‘ Natural History’ (Vol. III., p. 696) writes. 
that Polyxenus is to be found under the bark of trees, in clefts 
of walls, and in moss. The species is sure to be found else- 
where in Yorkshire, and it would be interesting to know in 
which habitat it occurs. On account of its bristles and 
scales and small size Polyxenus is much sought after by 
microscopists. Some of the peculiar scales are illustrated in 
the article in Science Gosstp and in McIntire’s address referred 
to above. It does not appear to have been recorded hitherto 
for the county, where, however, little attention has been given 
to the Myriapoda. It is not included in the short list of 
Myriapoda of the Sheffield District (Proc. Sheff. Nat. Club. 
Vol. I, Ig10, p. 139) nor in ‘ The Myriapods of the Derwent 
Valley,” (Northumberland and Durham) by R. S. Bagnall. 
(Trans. Vale of Derwent Nat. F. C., 1913, p. 116). Specimens, 
including a microscopical preparation presented by Mr. H. M. 
Foster, have been placed in the Hull Museum. 
Ol: 
During 1915, I have noticed the following interesting 
species of Mycetozoa. 


(1) Badhamia panicea.—Fruiting among the moss near an old 
oak stump in Bolton Woods, and also on an elm stump. 
in Esholt Woods, (May). 
(2) Physarum vernum.—On dead ivy and straw in Bolton 
Woods. (September). 
(3) Cribrania violacea.—on dead ivy. Valley of Desolation, 
Bolton Woods. (September). Cribraria vufa.*—On 
charred stump in Bolton Woods. (November). 
(4) Physarum psittacinum.—Almost completely covering fronds 
of the male fern in the Valley of Desolation, Bolton 
Woods. (September). 
(5) Comatricha elegans.—On an ash log in Hartlington Ghyll,. 
Wharfedale. (September). 
(6) Calloderma oculatum.—On an ash log near Bramhope. 
(November). 
(7) Lepidoderma tigrinum.—On dead wood (hazel twigs) in 
Ling Ghyll. (November). 
3 and 6 are new Yorkshire records ; 5 and 7 are new for 
Yorkshire Mid. W.—A. R. SANDERSON. 


* Cribvaria vufya was first recorded for Yorkshire for Crass Woods,. 
Fungus Foray, 1907. The Naturalist, Nov., 1907, p. 399.—ED. 

Naturalist,. 
