BACOTCULUS. 351 



5'. Operculum apicem abdominis valde superaus B. contractus, Br. 



41. Thorax carinatus . . . B. ignavus, Rehn. 



3'. Femora intermedia in tertia parte basali subtus utrinque bilobu- 



lata B.foliatus, Br. 



1'. Vertex tuberculatus vel cristatus. 



2. Vertex tuberculatus B. guatemalce, Rehn. 



2'. Vertex bicristatus B. physconia, Rehn. 



Species incertse sedis B. cacica, Kaup ; B. palmeri, Caud. 



1. Bacunculus Striatus, Burm. (Tab. V. figg. 5 a, a', 6; 5 6, $ .) 



Bacteria (Bacunculus) striata, Burmeister, Handb. Ent. ii. p. 567 (1839). 

 Bacunculus striatus, Brunner, op. cit. ii. p. 333 (1907). 



Hob. North America, Texas. — Mexico (Mus. Brit., Berlin, Oxford, Geneva, Vienna). 



2. Bacunculus mexicanus, Gray. 



Heteronemia mexicana, Gray, Syn. Phasm. p. 19 (1835). 

 Bacunculus mexicanus, Brunner., op. cit. ii. p. 333 (1907). 



Rah. Mexico (Mus. Brit., Geneva, Vienna, Budapest). 



This species is also included by Brunner under the genus Bacteria (op. cit. iii. 

 p. 423), but an examination of Gray's type enables me to fix the systematic position of 

 the insect with certainty in Bacunculus. 



3. Bacunculus pictus, Br. 



Bacunculus joictus, Brunner, op. cit. ii. p. 333 (1907). 



Hab. Mexico, Atoyac in Vera Cruz (Schumann, in coll. Godman 8f Salvin) \ 

 Guatemala (Mus. Stuttgart, Mus. Vienna), Senahu in Vera Paz (Champion) [coll. 

 Godman Sr Salvin : 2 6 6 , types]. 



4. Bacunculus praetermissus, Br. 



Bacunculus prater missus, Brunner, op. cit. ii. p. 333 (1907). 



Hab. Guatemala (Mus. Vienna, Mus. Stuttgart), San Geronimo (Champion) ; Costa 

 Eica (Van Patten) [coll. Godman 8f Salvin: 2 6 6 ]. 



5. Bacunculus inconspicuus, Br. 



Bacunculus inconspicuus , Brunner, op. cit. ii. p. 334 (1907). 



Hab. Mexico (Mus. Paris) ; Costa Eica (Mus. Geneva, Mus. Vienna). 



6. Bacunculus unidentatus, Br. 



Bacunculus unidentatus, Brunner, op. cit. ii. p. 331 (1907). 



Hab. Mexico, Atoyac in Vera Cruz, Jalisco (Schumann, in coll. Godman & Salvin \ 

 1 2 , 1 larva). 



biol. centr.-amek., Orthopt., Vol. IT., November 1908. 3 Aa 



