collected in Australia and Tasmania. 383 
planate, the outer limb reflexed ; beneath slightly shining, almost 
smooth, the ventral segments 1—3 feebly longitudinally wrinkled ; 
prosternum produced behind and received by the rather deeply 
excavate mesosternum. Length 173—183, breadth 123—13}3 mm. 
Hab. N.W. Australia—Port Darwin and Adelaide River. 
Three specimens, two of which have been sent by Mr. 
Walker to the British Museum; also contained in Mr. F. 
Bates’s collection, where it is labelled with the name I 
have adopted. less elongate and more oval than P. 
walkeri, de Bréme, P. piceus, Kirby, and P. cornutus, 
Macl., the elytra smooth at the apex, the legs and 
antenne entirely black. Two of Mr. Walker’s specimens 
were dead and mutilated when found. 
Pterohelzus reichet. 
Pteroheleus vreichei, de Bréme, Hssai Monogr. 
Cossyph., i., p. 35, t. 2, fig. 2; Macl., Proc. Linn. 
Soc. N. 8. W. (2), i1., p. 531. 
Hab. Tasmania—Hobart. 
Several specimens, agreeing well with de Bréme’s 
figure. Found under loose bark of Eucalyptus. 
Pterohelzus parallelus. 
Pteroheleus parallelus, de Bréme, Essai Monogr. 
Cossyph., i., p. 33, t. 2, fig. 7; Macl., Proc. Linn. 
Soc. N.S. W. (2), i, p. 542. 
Hab. W. Australia—Fremantle. 
One specimen of this species has been sent by Mr. 
Walker to the British Museum. The type was obtained 
at Swan River. 
Pterohelxus bullatus. 
Pterohelxus bullatus, Pascoe, Journ. Ent., ., p. 462; 
Macl., Proc. Linn. Soc. N. 8. W. (2), u1., p. 536. 
Hab. W. Australia—Fremantle. 
One specimen. 
Pterohelxus speltoides. 
Pteroheleus peltoides, Macl., Proc. Linn. Soc. N.8. W. 
(2), i1., p. 546. 
Hab. S. Australia—Port Adelaide. 
One specimen. 
