Mr. R. Shelford's Studies of the Blattidae. 295 



Type of the genus — C. hicolor, Sauss. 



The genus is not very well mai'ked off from Platyzo- 

 steria but the species here included in it have all a 

 well-marked facies which is quite distinct from that of 

 Platyzosteria species. 



KEY TO THE SPECIES. 

 1 . Unicolorous castaneous, except the 



angles of 9th abdominal tergite . G. froggatti, sp. n. 

 r. Banded, margined or spotted with 

 ochreous. 

 2 Posterior margins of thoracic ter- 

 gites ochreous. 

 3. Abdominal tergites unicolorous C. zonata, Walk. 

 3'. Abdominal tergites spotted 

 with ochreous. 

 4. Meso- and metanotum not 

 bordered laterally with 



ochreous 0. inaculimarginata, Tepp. 



4'. Meso- and metanotum 

 bordered laterally witli 



ochreous C. hicolor, Sauss. var. 



2'. Posterior margins of thoracic 

 tergites not ochreous. 

 3. Abdominal tergites with trans- 

 verse ochreous streaks. 

 4. Thoracic tergites with tri- 

 angular lateral ochreous 



markings C. gloriosa, sp. n. 



4'. Thoracic tergites laterally 



banded with ochreous . . G. pida, Tepp. 

 3'. Abdominal tergites with small 

 lateral ochreous spots. 

 4. Thoracic tergites with com- 

 plete lateral borders of 



ochreous 0. hicolor, Sauss. 



4'. Thoracic tergites with in- 

 complete lateral borders of 

 ochreous G. lateralis, Walk. 



1. C. froggatti, sp. n. 



$ and 9 • Uniform castaneous above, except the angles of the 

 9th abdominal tergite which are orange; margins of thoracic 



