110 bulletin: museum of comparative zoology. 



Type-locality: Borneo. 



Tandjong, S. E. Borneo (Fritz Suck). 



Three females from Kuching (H. W. Smith). 



165. Camponotus (Myrmotarsus) irritabilis (Smith). 

 Formica irritabilis Smith, Journ. Proc. Linn. soc. London. Zool., 1857, 2, 



p. 56, y . 



Camponotus irritabilis Roger, Verzeichn. formicid., 1863, p. 3. 



Camponotus (Myrmotarsus) irritabilis Forel, Rev. Suisse zool., 1914, 22, p. 269. 



Type-locality: Sarawak, Borneo (A. R. Wallace). 



Sarawak (Doria and Beccari). 



Several workers from Kuching (John Hewitt) and the Rambungan 

 River, Sarawak (H. W. Smith) and a single worker transitional to the 

 var. sedulus from British North Borneo '(E. B. Kershaw). 



165a. Camponotus (Myrmotarsus) irritabilis var. sedulus 



(Smith). 



Formica sedula Smith, Journ. Proc. Linn. soc. London. Zool., 1857, 2, p. 56, ^ . 

 Camponotus sedulus Mayr, Ann. Mus. civ. Genova, 1872, 2, p. 136, ^ 9 . 

 Camponotus irritabilis var. sedulus Forel, PlCV. Suisse zool., 1911, 19, p. 51. 



Type-locality: Sarawak, Borneo (A. R. Wallace). 

 Four major workers from the Rambungan River, Sarawak (H. W. 

 Smith). 



165b. Camponotus (Myrmotarsus) irritabilis var. winkleri 



Forel. 



Camponotus irritabilis var. winkleri Forel, Rev. Suisse zool., 1911, 19, p. 51, ^ . 

 Type-locality: Hayvep, Borneo (Winkler). 



166. Camponotus (Myrmophyma) quadrisectus (Smith). 



Formica quadrisecta Smith, Cat. Hymenop. Brit, mus., 1858, 6, p. 28, 9 . 

 Camponotus gilviceps Mayr, Tijdschr. ent. 1867, 10, p. 5, U . 

 Camponotus quadrisectus Forel, Ann. Soc. ent. Belgique, 1909, 53, p. 57 nota. 

 Camponotus {Myrmophyma) quadrisectus Forel, Rev. Suisse zool., 1914, 22, 

 p. 269. 



