a^"s 



138 Mr. D. ShaqD's Contributiotis to the 



as broiul, Oth transverse ; from this to tlie extremity no 

 broader; joints 7 — 10 rather stroii<!,ly transverse; 11th 

 joint rather short, sinnate and pointed at the extremity. 

 Mandibles and pal))i reddish. Plead nearly as broad as 

 the thorax, a])ove bi-assy and smooth, with two pnnctm'es 

 in tlie front behind the hibrnm, and several larji^e and 

 smaller punctures beliind the eyes. Thorax reddish, about 

 as long as broad, but little narrowed behind ; tlie sides 

 slightly rounded in front, and a little sinuate behind, 

 smooth and impunetate, with the exception of a puncture 

 on each side behind the neck and two or three others 

 near the front angles. Seutellum obsoletely punctured. 

 Elytra yellowish, about as long as the thorax, dull, obso- 

 letely and very sparingly punctured. Hind body yellowish, 

 the basal segments a little infuscated in the middle, rather 

 finely and rather sparingly punctured. Legs yellow ; tarsi 

 rather slender. 



Ega ; one specimen, ?. 



Obs. — This is very closely allied to G. obsoletus, but is 

 a little larger, and has the thorax unicolorous; the head is 

 rather larger and a little more elongate, so that the punc- 

 tures at the hind angles are rather more numei'ons and 

 more conspicuous. 



3. Gastrisus punctatus, n. sp. Capite, prothorace, 

 elytrisque obscure cyaneis; abdomine nigro, apice flavo; 

 antennis pedibusque nigro-fuscis. Long. corp. 4| lin. 



Mas: tarsis anticis minus dilatatis ; abdomine segmento 

 7° ventrali apice medio late triangulariter emarginato. 



This insect is remarkable by the deep and close pimc- 

 tuation of the fore parts, in o]i])osition to the very fine 

 sculpture of the hind body. The antennie are shorter 

 than the head and thorax, moderately stout, blackish; 3rd 

 joint considerably longer than 2nd; from this to the extre- 

 mity very slightly thickened ; 4 — 6 each about as long as 

 broad, 7 — 10 a little transverse; 11th joint moderately 

 long and pointed. ^Mandibles and pali)i pitchy. Head 

 rather small, a little narrower than the thorax, above 

 bluish-green, closely, deei)ly and coarsely punctured, with 

 a well-limited (piadrate space on the middle im])unctate. 

 Thorax rather longer than broad, a little narrowed behind 

 and slightly sinuate at the sides; the Avhole upper surface 

 deeply, closely and evenly punctured, with a narrow im- 

 punetate line along the middle. Seutellum large, densely 



