Entomological Society. G? 



mainder sensibly larger and gradually decreasing in length in 

 the females, nearly of the same length in the males. 



Section 1 . Body ovate, compressed. 



Anodonta Roei, Hope MSS. Head rufous brown, the vertex and 

 antennce black ; thorax rufous, shining, with a black diamond- 

 shaped patch in the middle ; scutellum black ; elytra rich shi- 

 ning green, deeply punctured, with a narrow ochreous margin ; 

 legs black ; base of femora and tibia rufous brown. Length, *21 

 inch $ ; •17 c?- — Hab. Swan River. Mus. Hope and Westwood. 



Var. atripennis. Elytra black, with a purplish iridescence; 3rd 

 and ^th joints of antennce brownish. 



Anodonta albilinea, Hope MSS. Head black, spotted straw 

 colour ; antennce black ; thorax black, lateral margins white ; 

 elytra light yellowish brown, with a quadrate black patch on 

 the disc, which joins the scutellum by a sutural band ; punctate- 

 striate near the tip ; legs and tarsi shining black. Length *16 

 inch. — Hab. Van Diemen's Land. Mus. Hope and Westwood. 



Section 2. Body cylindrical. 



Anodonta pulchella, Hope MSS. Head rufous brown; vertex 

 black ; antenna black, 3rd and 4>th joints dull brown ; thorax 

 rufous brown, shining ; elytra shining green, with a broad ru- 

 fous brown lateral marginal band ; legs and tarsi black. Length 

 •18 inch. — Hab. New Holland. Mus. Hope. 



Anodonta cyanipennis, Hope MSS. Head and antennce glossy 

 black ; thorax rufous brown ; scutellum black ; elytra shining 

 steel-blue with purplish iridescence, deeply punctured, gemi- 

 nato-striato-punctate at the tip. Legs and tarsi black. Length 

 $•16 inch; $ -13 inch.— Hab. New Holland. Mus. Hope 

 and Westwood. 



Anodonta flaviventris, Hope MSS. Head jet-black, with a yellow 

 heart-shaped patch on the face ; thorax rufous brown, with a 

 black line in front ; scutellum black ; elytra shining black, striated 

 with a subcentral V -like yellow mark ; body beneath and legs 

 pale yellow; tips of tibice and tarsi black. Length *14< inch. 

 — Hab. New Holland. Mus. Hope. 



Anodonta rugosa, Hope MSS. Head and antenna black ; thorax 

 black, shining, very gibbose in front, rugose and deeply punc- 

 tured ; scutellum black ; elytra black, shining; apex rufous brown, 

 rugose and deeply punctured; legs black. Length *18 inch. — 

 Hab. New Holland. Mus. Hope. 



Helodimorpha. Body elongate, ovate, compressed. Head verti- 

 cal, small. Eyes reniform. Antenna filiform, variable in length ; 

 3rd, 4-th and 5th joints long, somewhat slender ; 5th the longest, 

 the remainder shorter than the 5th. Scutellum rounded behind. 



Helodimorpha atra. Black ; face striate ; thorax shining, finely 

 punctate; elytra shining, irregularly striate and punctured. 

 Length -18 inch. — Hab. Van Diemen's Land. Mus. Westwood. 



Helodimorpha aenea. Shining bronze with coppery iridescence, 

 antenna black ; 3rd, \th and 5th joints dull rufous ; thorax 

 F 2 



