BY THE REV. T. BLACKBURN 73 



intermediate space being distinctly convex there is a slightly 

 silicate appearance to a casual glance where the lateral declivity 

 of the intermediate space meets the eyes. If it were to be 

 regarded as having ocular sulci, it would have to be placed beside 

 the species that I take to be C. semiticus, Pasc, from which it 

 differs inter alia by its very different shape and shorter 3rd joint 

 of antennpe. 



Queensland ; Cairns district ; sent by Mr. Masters. 



C. Mastersi, sp.nov. 



((J ?) Late ovalis ; nitidus ; niger. elytris ceeruleis vel viridibus 

 purpureo-aureoque versicoloribus ; capite sat sequaliter dis- 

 tincte punctulato ; ocnlis quam antennarum articuli basalis 

 longitudine sat magis inter se remotis ; sulcis ocularibus fere 

 nuUis ; antennis quam corporis dimidium sat brevioribus 

 apicem versus vix incrassatis, articulo 3° quam P^ 2"^que 

 conjuncti param longiori quam 4"^ 5"^que conjuncti parum 

 breviori, articulis apicalibus quam prsecedentes haud breviori- 

 bus ; prothorace subopaco quam longiori (et postice quam 

 antice) fere duplo latiori, sat subtiliter sat crebre vix sequaliter 

 punctulato, antice leviter bisinuatim emarginato, a basi 

 antrorsum (superne vise) arcuatim angustato, basi media 

 sublobata, angulis anticis obtusis posticis (superne visis) fere 

 rectis ; elytris a basi ad apicem manifeste striatis, striis 

 postice profundioribus crebre sat subtiliter punctulatis 

 (puncturis apicem versus majoribus), interstitiis fere planis 

 sat crebre sat subtiliter punctulatis ; prosterno medio antice 

 cai'inato ; metasteino in medio subtiliter (latera versus vix 

 manifeste) punctulato ad latera oblique rugato, abdomine 

 sparsim subtilissime punctulato et obscure rugato ; femoribus 

 anticis antice distincte sparsim punctulatis ; tarsis subtus 

 nigro-setosis, posticorum articulo basali quam ceteri conjuncti 

 paullo breviori. [Long. 7 J, lat. 4 lines. 



A fine handsome species allied to C. superbus, Blackb,, and 

 interioris, Blackb., but differing from both by its wide oval form, 

 as well as (so far as I can judge from the few examples I have 



