106 HEMIPTERA* 



with the apical joint reddish brown. Antennae black, with the 

 apex of the third and fourth joints and the base of the fifth 

 white. 



a. Venezuela. From Mr. Dyson's Collection. 



Genus 18. CERMATULUS, n. g. 



Head slightly narrowed in front, with the apex rounded ; cen- 

 tral lobe as long as the lateral. Eyes not very prominent 

 Antennae with the second joint very long, more than twice as long 

 as the third in the males, rather less in the females ; fifth joint 

 longer than the third, shorter than the fourth, which is shorter 

 than the second. Rostrum barely reaching the posterior coxae, 

 not very stout ; second joint longest, first and third about equal, 

 fourth shorter. Body ovate. Thorax with the lateral angle 

 rounded, the lateral margins smooth. Abdomen with a very 

 short ventral spine, scarcely reaching the posterior coxae. An- 

 terior thighs unarmed ; anterior tibiae simple. 



Asopus, p., H. Schdff. Wanz. vii. (1844). 



1. CERMATULUS nasalis. PL II. fig, 3. 



JElia nasalis, Hope, Cat. 32 (1837). 

 Asopus nummularis, Erichson, Arch, fur Naturg. viii. 276. 258 

 (1842) ; H. Schdff. Wanz. vii. 114. t. 249. fig. 776 (1844). 

 fl. Van Diemen's Land. Presented by the Rev. Augustus 

 Beaufort. 



b. Van Diemen's Land. 



c. New Holland. Presented by Capt. Grey. 



d. New Holland. Presented by Sir John Richardson, M.I 



e. New Holland. Presented by the Earl of Derby. 

 /. New Zealand. Presented by D. A. Sinclair, R.N. 

 g. New Zealand. From Mr. Earl's Collection. 



Genus 19. TYNACANTHA, n. g 



Head rounded in front, central lobe as long as the lateral. 

 Eyes not very prominent. Antennae about half the length of 

 the body, second and third joints about equal, fourth and fifth 

 about equal, shorter than the preceding. Rostrum reaching the 

 posterior coxae, not very stout ; first and second joints very long* 

 second longest, as long as the third and fourth together. Body 

 ovate, rather flat. Thorax with the lateral angles obtuse -, late- 

 ral margins smooth. Abdomen with a very short basal spine, 

 scarcely reaching the posterior coxae. Anterior thighs unarmed ; 

 anterior tibiee simple. 



