118 
APPENDIX. 
The majority of specimens examined of this species possessing 
the Linnean characteristic “ punctum nigrum sub abdomine,’ > the 
Linnean name has been retained for it. 
Myrmica l^evinodis. B. M. 
Myrmica laevinodis, Nyland. Adno. Mon. Form. Boreal. Europ. 
927, 1 . Foerster , Hym. Stud. Form. 64, 35. 
Hab. — B ritain. 
This species is not rare, and has been hitherto regarded as a 
form of M. rubra. 
Myrmica ruginodis. B. M. 
Formica vagans, Fab . Ent. Syst. ii. 358, 37. Piez. 407,48 ? 
Myrmica ruginodis, Nyland. Adno. Mon. Form. Boreal . Europ. 
929, 2. j Foerster, Hym. Stud. Form. 66, 36. 
Has. — Britain. 
This species is equally abundant with M. rubra , and has been 
hitherto regarded as a form of that species. 
Myrmica fuscula. B. M. 
Formica caespitum, Linn. Faun . Suec. 1726? Lair. Fourm. 251. 
Myrmica fuscula, Nyland. Adno. Mon. Form. Boreal. Europ. 935, 
6. Foerster , Hym. Stud. Form. 56, 29. 
Hab. — Sandown Bay, Isle of Wight; London district; and Folk- 
stone. 
Myrmica simillima. 
Myrmica simillima, Nyland. MSS. 
Worker (length f — 1 line). Head and thorax pale ferrugi- 
nous, the legs and antennae more pallid, the coxae a little coloured, 
the eyes black ; the abdomen is ruf‘o-fuscous,pale towards the apex ; 
the head is evenly longitudinally striate ; the thorax above is 
without the usual transverse suture, but is a little compressed at the 
sides about the middle, and gradually slightly narrowed from the 
prothorax towards the nodes of the peduncle ; the metathorax is 
