472 Mr. T. D. A. Cockerell — Descriptions and 



base broadly white ; small joints of anterior tarsi pale 

 reddish. 



Hab. Baudin I., N.W. Australia (/. J. Walker, 673,674). 

 Three specimens. 



EURYGLOSSA. 



The following species, referred to Euryglossa, are probably 

 not all truly congeneric; but Smith's species of this genus 

 also seem to represent more than one generic type, and it will 

 be best to defer the proposal of segregated genera until more 

 material is available. 



Clypeus with a prominent longitudinal keel; 



mesothorax very shiny; abdomen dark red . Frog(jattiana, Ckll. 

 Clypeus without a keel ; size smaller 1. 



1. Second and third abdominal segments almost 



entirely orange cygnella, Ckll. 



Second and third abdominal segments dark . . 2. 



2. Head and thorax very dark green WaJheriana, Ckll. 



Head and thorax black 3. 



3. Extremely small, about 3| mm. long peruana, Ckll. 



Much larger ; hind tarsi (at least) red 4. 



4. Mesothorax with sparse feeble punctures .... negle'.tula, Ckll. 

 Mesothorax densely punctured 5. 



5. Hind tibise strongly inf uscated ; wings not 



yellowish regincB, Ckll. 



Hind tibiae not infuscated ; wings yellowish . . adelaida, Ckll. 



Euryglossa Froggattiana, sp. n. 



? . — Length nearly 9 mm. 



Head and thorax shining black ; abdomen broad and 

 flattened, dark red, clouded with fuscous, especially at the 

 sides ; head large and broad ; clypeus with the form of a 

 very large equilateral triangle, with a strong and sharp 

 reddish keel running down its middle, which is elevated; the 

 keel continues weakly upwards about halfway to the middle 

 ocellus, after which it is replaced by a groove ; sides of 

 clypeus and adjacent sides of face with very sparse weak 

 punctures ; front shining, with numerous exceedingly minute 

 punctures ; narrow black facial fovese are closely adjacent to 

 the upper orbital margins, their upper part curving away from 

 the eye ; scape dark reddish, with scattered hairs ; flagellum 

 with the apical half thickened, the base reddish, the rest 

 dark, with the underside dark red; malar space wanting; 

 mandibles slender, reddish in the middle ; maxillary palpi 

 6-jointed, ordinary; labial palpi 4-jointed, first joint darkened, 

 curved, considerably longer than the second, and a little 



