THE MYCETOZOA OF THE EAST RIDING. 203 



Comatricha typhoides Rost. 



Thorp Garth, Aldborough, on rotten wood in a stick heap, Aug-. S, 

 1903 ; Aug. 20, 1904. Swan Island, Hornsea, Aug. 22, 1903. Hedon, 

 May 25, 1904. Hornsea, plantation north of the Mere, Aug. 8, 1904. 



Enerthenema elegans Bowman. 



On the under side of a sound pine log, West Dock Reservation, Hull, 

 Sept. 5, 1903 ; three Agriolimax agrestis were busily engaged in 

 devouring the white Plasmodium as it emerged from the wood. Rose 

 Hill, near Hedon, on fallen ash branches, Aug. 4, 1904. Burton 

 Constable, Aug. 31, 1904. Pond Wood, Boynton, Nov., 1884, W. W. 

 Strickland (loc. cit. ). 



Lamproderma irideum Mass. 



Thorp Garth, Aldborough, on twigs in a stick heap, Aug. 11, 1903. 

 Hornsea, plantations north of the Mere, May 28, J 904. 



AMAUROCH.ET ACE.E . 



Amaurochsete atra Rost. 



On pit props just landed, ex steamer from Norway, Fish Dock 

 Extension, Hull, Sept. 1903. 



Brefeldia maxima Rost. 



Boynton, W. W. Strickland (loc. cit.); specimens in the British 

 • Museum Collection (Lister, Mon. p. 136). 



HETERODERMACE^l. 



Cribraria argillacea Pers. 



Boynton, Yorks., British Museum Collection, 1044 (Lister, Mon. 

 p. 140). This species is not recorded by Strickland ; it is probably 

 represented by one of the records which were not confirmed by Mr. 

 Lister in his examination of the British Museum Collection. 



Cribraria aurantiaca Schrad. 



A fallen willow lying across a ditch on the south side of Rose Hill, 

 near Hedon, produced this species in abundance, Dec. 29, 1902 ; Aug. 

 27, 1903 ; Aug. 4, 1904. 



