64 Mr. J. W. Shoebotliam's Notes on GuUemhola, 



Suborder S Y M P H Y P L E N A, C. B. 



Family NeelidaB, Fols. 



Genus Megalothorax, Willem. 



28. Alegalothorax vnnimus, Willem. 



Loc. Portadown, iii. 1912, under flower-pot in a house (2). 



1 first discovered this species in Hertfordshire in 1908, and 

 have since found it in all districts in England where 1 have 

 specially looked for it. Ifc is the smallest British springtail, 

 measuring oidy '25 mm. long ; the liny size no doubt accounts 

 for it having been overlooked. It may be found under 

 flower-pots in greenhouses, and under boards, bark, stones, 

 sticksj &c., out of doors. Tiiis is the first Irish record. 



Family Sminthuridse, Lbk. 



Subfamily Smintuuridinm, C. B. 



Genus Sminthukinus, C. B. 



29. Sminthurinus niger (Lbk.). 



Loc. Gilford, iii. 1912, in greenhouse on flower-pots (1) ; 

 Portadown, iii. 1912, on tlower-pots in house (G). 



30. Sminthurinus aureus (Lbk.), var. ochropus (Rent.). 

 Loc. Dundonald, vi. 1913, under a stick on the ground (1). 



Genus Arrhopalites, C. B. 

 31. Arrhopalites c<ecus (Tbg.). 

 Loc. Portadown, iii. 1912, under flower-pois in a house (4). 



Subfamily Smintiicrinm^ C". B. 

 Genus Bourletiella, Banks, C. B. 



32. Bourletiella signata (Nic, Agr.). 

 = Smi/>ithiirus hortensis, Fitcl). 

 IjOC. Dundonald, vi. 19L), under board in a garden (1). 



Notes on the (Jenus Orchcsella. 



The genus Orchesella was founded by TcMnplcton (1835), 

 |). 92, as follows: — " Antennai G- or T-joiuted, nearly as h)i)g 



