136 BRITISH ANTS. 



sed fere adhuc obsoletius colore cinereo-pallescente dilutissimo tinctae ; 

 anticae long. 2J lin. Pedes nitidi ferrugineo-pallescentes longe flavo pubes- 

 centes. Abdomen apice obscure fusco-rufescente." 



The < of Myrmica lobicornis was described by Nylander [Act a. 

 Soc. Sc. Fenn. 3 31 (1849)] as follows : 



" Mas : nigro-fuscus nitidus parce tenuiter flavido-pilosulus, mandibulis, 

 antennis et pedibus testaceo-pallescentibus, scapis, femoribus tibiisque 

 obscuratis ; fronte, pleuris et nodo primo petioli longitudinaliter striatulis ; 

 scapis basi curvatis longitudine tertiae partis totius antennae ; alis hyalinis 

 obsoletissime cinereo-pallescentibus ; pedibus pubescentibus ; corpore fere 

 5 millimetra longo. 



Characteribus illis ab affinibus cognitis statim discernendus, M. laevinodi 

 <? paulo minor. Caput subtilissime in fronte longitudinaliter et alibi granula- 

 tim rugosum ; antennae 13-articulatae sparse breviter pilosulae, paululum 

 longiores quam apud M. scabrinodem <$ (multoque nudiores), scapus pallide 

 fuscescens basi subangulatim (fere ut in M . sulcinodi ^) curvatus, longitudine 

 articulorum 5 sequentium ; articuli 3-6 aequales parvi, 7-8 sensim majores ; 

 flagellum et apex scapi pallide testacea. Thorax meso-, metapleuris, scutello 

 et metanoto longitudinaliter striatis ; metathorax postice processu obtuse- 

 angulato vel subdentiformi utrinque, spatio excavate laevi nitido. Alae ut 

 in M. scabrinodi, fere pallidiores, anticae 4J millim. longae. Pedes pubes- 

 centes olivaceo-pallidi, articulationibus tarsisque testaceo-pallidis. Nodus 

 petioli anterior longitudinaliter parum striatulus posterior laevis. Abdomen 

 saepe apice et marginibus segmentorum paulo pallescentibus." 



Habitat. 



Myrmica lobicornis occurs in North Europe ; further south a 

 mountain species (Alps, Apennines) ; eastwards to Central Asia 35 . 



The British distribution is as follows : 



Devon : (Vic. Hist. Devon) 32 . 



Somerset, S. : Exmoor (Farren-White) 2 * ; Somerset, N. : Leigh 

 (Smallcombe) . 



Hants, S. : New Forest (Donisthorpe) 3 *. 



Sussex, E. : Seaford (Rye) 12 . 



Kent, E. : Dover (F. Smith) 11 ; Whitstable (Donisthorpe) 39 . 



Surrey : Shirley (Eothney) 15 ; Wimbledon Common 39 , Wey- 

 bridge 37 , and Richmond Park 34 (Donisthorpe) ; Chobham 20 and 

 Woking (Saunders) 28 . 



Essex : (Vic. Hist. Essex) 31 ; Essex, S. : Chingford and Loughton 

 (E.A. Butler}. 



Berkshire : Bagley Wood (Hamm). 



Oxfordshire : Oxford and Shotover Hill (Hamm) ; Wolvercote 

 (Collins). 



Suffolk, E. : Pakefield 9 and Lowestoft 12 (F. Smith) ; Foxhall 

 (Morley) 29 . 



Norfolk, E. : Household (Thouless) 23 . 



Glamorgan : Pontneathvaughan (Hallett}^. 



Carnarvon : Aber Waterfall, and Brendon Common (Farren- 

 White) 26 . 



Denbigh : Llangollen (Chappell) 22 . 



