458 Mr. F. P. Pascoe on some new or Utile-'known 



The antenna? of this genus are also clavate ; but then they are 

 ten -jointed, as in Bolitotlierus. The specimen described below is one 

 of Mr. Bates's discoveries on the Amazons. 



Ozolais scruposa. (PL XVIII. fig. 1.) 



O. fusca, pube grisea induta. 



Hah. Ega. 



Dark brown, with a loose greyish pile ; head with two rows of tuber- 

 cles in front ; prothorax very convex or gibbous above, with nine or ten 

 crenatures on each side, the penultimate by far thQ largest and directed 

 backwards, the base rather strongly emarginate for the reception of part 

 of the scutellum ; elytra seriate-punctate, with several large tubercles 

 mixed with others smaller and more spinous; body beneath dark brown, 

 closely punctured ; legs and antennae reddish brown, with scattered grey 

 hairs. Length 2 lines. 



Iltxeeus [Bolitophaginee]. 

 Caput ante oculos dilatatum ; clypeus distinctus. Oculi magni, semi- 

 divisi. Palpi maxillares robusti, apice oblique truncati. Palpi labiales 

 art. ult. ovali, acuto. Labium paruni emarginatum. Mentum trans- 

 versum, antice sinuatum, postice constrictum. AntenncB 11-articulatae, 

 clavatae ; scapo elongate, crasso ; art. 2 brevi ; 3 obconico ; 4-8 breviter 

 trigonatis ; tribus ultimis clavam validam compressam formantibus (9 

 valde transverse, 10 et 11 arete applicatis, rotundatis). Prothorax postice. 

 constrictus, angulis anticis productis ; marginibus crenalis, baud foliaceis. 

 Elytra elongata, parallela, prothorace baud latiora. Pedes mediocres ; 

 tibicB subcylindricse, inermes ; tarsi lineares, art, ult. cseteris simul sumptis 

 vix breviore. Prosternum productum. Mesosternmn subverticale. 

 Metasternum modice elongatum. Corpus parallelum, angustatum, 

 tuberculatmn. 



The narrow parallel form of this genus would at once distinguish 

 it from any other in its subfamily ; and no other has yet been pub- 

 lished with clavate antennae. I owe my specimen to Mr. BakewelFs 

 liberality. 



Ilyocerus asper. (PI. XYIII. fig. 3.) 

 /. gi-iseo-fuscus, supra tuberculatus et punctatus. 

 Ilab. New South Wales. 



Brown, with a sparse greyish-ochreous pubescence; head with a 

 large tubercle over each eye, and three smaller ones between them ; 

 prothorax with about eight crenatures on each side, the disk roughly 

 tuberculate. Scutellum semicircular ; elytra with six rows of tubercles 

 on each, between each row two lines of well-marked punctures ; body 

 beneath dark brown, the legs and antennae reddish brown, all clothed 

 with scattered grevish setulose hairs. I^ength 2h lines. 



