216 AUSTRALIAN PSELAPRID.E, 



transverso, 7 quadrate, 8 transverso, 9 prsecedenti duplo longiori, 

 10 nono paulo longiori, 11 longiori, basi truncate, paulo crassiori, 

 obtuse acuminate. Prothorax grosse sed non confluenter 

 punctatus, capite et latitudine sua longior, antice sat abrupte 

 attenuates, lateribus ante medium rotundatus, dein ad apicem 

 sinuato-angustatus, disco pone medium gibbosus et obtuse tuber- 

 culatus, ante basin fovea subelongata, foveis lateralibus magnis. 

 Elytra grosse sed disperse punctata, latitudine sua longiora et 

 basi leviter attenuata, humeris obliquis, elevatis, et obtuse 

 carinatis, disco utrinque carina, valida, recta et subintegra. 

 Abdomen densius punctatum, etytris longius, lateribus late et 

 alte marginatum, segmentis duobus primis dorsalibus utrinque 

 obtuse carinatis 1° apice medio obtuse prominenti, 2 medio 

 tuberculo magno, ovato, obtuso, 3 apice obtuse producto. Pedes 

 validi, tibiis anticis leviter incurvis et medio extus crassioribus, 

 intermediis subrectis, apice leviter incurvis, posticis vix incurvis. 



g. Metasternum late et profunde impi-essum utrinque longi- 

 tudinaliter obtuse carinatum, segmentis ventralibus 2 medio valde 

 et profunde impressO, margine postica emarginata, 3 toto medio 

 ovatim impresso, postice leviter emarginato, 4 et 5 transversim 

 minus impressis, 6 medio longitudinaliter et leviter impresso, istis 

 impressionibus fundo lsevibus ; tibiis intermediis apice magis 

 incurvis. 



Q. Metasternum minus impressum et utrinque longitudinaliter 

 tantummodo convexum, segmentis ventralibus 2 multo minus 

 impresso, 3 longitudinaliter obsolete impresso. Long. 3*30 mm. 



This fine species differs from the others by the antennae, which 

 are cylindrical, hardly thicker at the apex and without any club; 

 each joint is truncate at both ends and applies exactly to each 

 other. 



Swan River, W.A. (Mr. A. M. Lea). 



It lives with a new species of Termes which the Rev. Wasmann 

 has been kind enough to identify and to send me the description 

 for publication [vide Appendix, p. 244]: — 



