38 HYMENOPTERA ACULEATA. 



the scape, mandibles with four or five teeth ; thorax in some 

 varieties somewhat shining, propodeum with very ill-defined 

 posterior angles, wings very transparent, nervures pale, 

 abdomen shining. 



? and § clothed with scattered hairs, testaceous ; head 

 and thorax in the ? of race unifasciatus often fuscous, 

 abdomen generally with a black, or dark central band ; 

 head longitudinally rugose, antennae with the scape slightly 

 curved, basal joint of flagellum longer and thicker than the 

 following ones, club very distinct, three-jointed, dark in 

 race unifasciatus ; thorax longitudinally striated ? , or 

 I'ugose 5 J much constricted in the middle in the ?, pro- 

 podeal spines strong in race Nylanderi, feeble in race 

 unifasciatus, wings of the ? as in the (J; abdomen with 

 the nodes of the petiole very indefinitely rugose, posterior 

 segments shining, in the ? sometimes with a dark apical 

 band on each segment ; intermediate and posterior tibiae 

 without calcaria. 



L. c? 24- mm., ? 3.^4 mm., ? 2^-3 mm. 



Under bark, stones, &c., I have found large nests of race 

 unifasciatus, under stones at South Haylingj race Nylanderi 

 has occurred to me only in small numbers. I have never 

 found a nest of it ; I have some males bred from ^ eggs 

 kindly sent to me by Mr. J. E. Fletcher. 



Chobham ; Wimbledon ; Bromley. Bures, Suffolk. Nests 

 under poplar bark ; (HarwooJ). Isle of Wight ; Seaton ; 

 Portland ; Lulvvorth ; race unifasciatxis ; {Dah). Lee, Kent ; 

 Nijlandcri, {W. P. White). Shirley, Nylanderi j [Itothney). 

 Exeter, Nylanderi ; {Parjift). 



MYRMICA, Latr. 



cj and ? winged, *^ apterous ; antennae thirteeu-jointed 

 in the c?, twelve-jointed in the ? and ^, maxillary palpi 

 six-joiuted, labial palpi four-jointed ; wings with one sub- 

 marginal cell, whose external marginal nerve is divided by 



