154 Mr. WALKER on Chalcidites. 
not broader than the tenth joint but twice its length: thorax elliptical: prothorax short : 
scutum of the mesothorax rather long; sutures of the parapsides indistinct; scutellum 
having no trace of a transverse suture: propodeon obconie, declining: podeon very 
short: abdomen round, cupreous, depressed above, keeled beneath, hardly more than 
half the length of the thorax; octoon and following segments shorter than the meta- 
podeon : legs fulvous ; coxze and thighs green ; tips of the latter fulvous: wings fuscous ; 
nervures fuscous ; ulna hardly half the length of the humerus; radius as long as the 
ulna; cubitus shorter than the radius; stigma very small. 
Found in July near Lanark, Scotland. 
It belongs to the second division of the genus (Ent. Mag. ii. 479), and is 
allied to Pt. Catillus and to Pt. Discus, from which species it may be distin- 
guished by its more slender structure. 
PreromaLus Busaris, fem. Æneo-viridis, abdomine cupreo, antennis nigris, 
pedibus fulvis, femoribus fusco-cinctis, alis limpidis. 
Corp. long. lin. 2; alar. lin. 1}. 
Body linear: head green, broader than the thorax: antennz black, subclavate, as long as 
the thorax; first joint fulvous; club fusiform, more than twice the length of the tenth 
joint: thorax oval, zneous-green: prothorax very short: sutures of the parapsides in- 
distinct; scutellum obconic, having an indistinct transverse suture near its tip: pro- 
podeon obconic, declining: podeon very short: abdomen oval, cupreous, smooth, de- 
pressed above, keeled beneath, green towards the base, a little shorter than the thorax ; 
metapodeon of moderate size; octoon and. following segments short: legs fulvous ; 
coxz green; a broad fuscous band across each thigh; tips of the tarsi fuscous: wings 
limpid, rather short; nervures fulvous ; ulna more than half the length of the humerus ; 
radius shorter than the ulna; cubitus a little shorter than the radius; stigma extremely 
Found near Edinburgh by Dr. Greville. 
Allied to Pt. Lucilla (Monographia Chalciditum, i. 231), but differing from 
it in structure and in colour. 
PrEROoMALUs Ecrion, mas. Viridis, scutello zneo-viridi, abdomine nigro-cu- 
preo basi fulvo maculato, pedibus fulvis, femoribus piceis, alis fuscis. 
Corp. long. lin. 1; alar, lin, 1}. 1 
Body slender: head and thorax dark green : head a little een than the thorax: antenna 
black, slender, filiform, a little longer than the thorax ; club fusiform, twice the length 
