154 APPENDIX. 



the metapodeon which extends over half the back ; octoon also very 

 large, and occupying the other half of the back, so that the follow- 

 ing segments are not visible : ulna a little shorter than the humerus ; 

 radius about one-fourth of the length of the ulna ; cubitus a little 

 shorter than the radius, and hardly longer than in Callimome and 

 Perilarapus. 



ELATUsThense. Cyaneo-viridis, abdomine teneo-viridi, anten- 

 nisnigris,genubus tarsisque fuscis, tibiis apicefulvis,alis lim- 

 pidis. Page 104. 



Bluish green: eyes red: feelers black; first joint green: ab- 

 domen tinged with bronze: legs green; tips of shanks tawny; 

 knees and feet brown : wings colourless, of moderate size ; veins 

 brown ; wing-brand or stigma, very small. Length of the body 1 

 line; of the wings If line. 



TETRAMESA, Walker, (n. g.) Page 104. 



Female. Convex : head and chest punctured, dull : head 

 broader than the chest: feelers clavate, rather hairy, 13-jointed, as 

 long as the chest ; first joint long and slender ; second nearly cup- 

 shaped ; third and fourth very small ; fifth and following joints to 

 the tenth slightly cup-shaped, successively increasing in breadth 

 and decreasing in length ; club 3-jointed, conical, full twice the 

 length of the tenth joint ; breadth of the fore-chest rather less than 

 twice its length: sutures of the parapsides of the middle-chest 

 strongly marked ; axillae large, separated from each other by a small 

 interval : hind-chest obconical, declining, well developed : petiole 

 short: abdomen nearly elliptical, smooth, shining, deeply keeled 

 beneath, elevated at the tip, shorter but hardly narrower than the 

 chest; metapodeon very large; octoon very short; ennaton long; 

 decaton and following segments very short : wings rather narrow ; 

 ulna about one-fourth of the length of the humerus ; radius shorter 

 than the ulna ; cubitus as long as the radius ; wing-brand very 

 small. 



TETRAMESA larbas. Fern. Nigra, genubus tarsisque rufa, alls 

 subfuscis. Page 104. 



Black : knees and feet red ; tips of the latter brown : wings 

 slightly brown ; veins piceous. Length of the body 1 line ; of the 

 wings Ijline. 



