HKMIPTERA. 175 



punctures. Ocelli yellowish. Thorax with the humeral spines 

 black. Scutellum with the reflexed apical margins black. Mem- 

 brane of the elytra dirty white, with strong black nervures, the 

 interstices between which are occupied with rows of strong black 

 dots. Body beneath pale brown; the disc sparingly, the sides 

 thickly, punctured with dark brown ; mesosternuin with a longi- 

 tudinal black band on each side near the centre. Legs, rostrum, 

 basal joint of the antennae, and the base of the second, pale 

 brown, covered with dark brown points ; apical portion of the 

 second, and the whole of the third, joints brown ; tip of the ros- 

 trum pitchy. 



a. N. Holland, Hunter River. Presented by the Earl of 

 Derby. 



Genus 20. PCECILOTOMA, n. g. 



Head with the lateral lobes passing the central, but not meet- 

 ing beyond it ; the apex deeply emarginate. Eyes small. Anten- 

 niferous tubercles large, projecting on each side of the head, spi- 

 nous exteriorly. Antennae inserted about the middle of the la- 

 teral margins of the head ; basal joint attaining or passing the 

 anterior margin of the head. Rostrum scarcely reaching the 

 posterior coxae; basal joint not passing the base of the head, 

 second longest, third about equal to the first, fourth shorter. 

 Body ovate. Thorax with the lateral angles prominent or spi- 

 nous. 'Scutellum triangular, scarcely passing the centre of the 

 abdomen. Membrane of the elytra with longitudinal nervures. 

 Margins of the abdomen not denticulated. Ventral furrow in- 

 distinct or wanting. Legs moderate ; tarsi with the basal joint 

 longest. 



* Lateral lobes of the head with their apices pointed, divarica- 

 ting. Antennce of three joints ; second joint longest, third 

 twice as long as the first. Lateral margins of the thorax 

 smooth. Abdomen with a slight ventral furrow . Membrane 

 of the elytra transparent, with the nervures dark. 



1. PCECILOTOMA centrolineata. 



Atelocerus centrolineatus, Hope, Cat. 20 (1837). 

 a. New Holland. 

 6. Van Diemen's Land. From Mr. Shuckard's Collection. 



c. New Holland. Presented by Sir John Richardson. 



d. Adelaide. Presented by the Entomological Club. 



2. PCECILOTOMA spinosa, n. s. PL VI. fig. 1. 



P. supra pallide fusca, nigro-punctata, subtus ochrea; thorace 



