3 I O BMlletin American Museum of Natural History. [Vol. XXII, 



"but the head of the soldier is more elongated, the antennal scrobe 

 shallower, the thorax smoother, the epinotal spines more slender 

 and pointed. In the worker the epinotum is shorter. " 



9. Pheidole fervida F. Smith. 



Pheidole fervida F. Smith, Trans-. Ent. Soc. London, 1874, p. 406, 407, If ^ 

 Pheidole fervida Mayr, VerhandL zool. bot. Ges. Wien, XXXVI, 1886, p. 



363- 



Pheidole fervida Forel, Bull. Soc. Ent. Suisse, X, 7, 1900, pp. 26S and 

 28s, ILO 



A single soldier and six workers taken by Mr. Hans Sauter at 

 Yamanaka, Suruga, and four workers taken by him at Kanagawa, 

 near Yokohama, seem to belong to this species, which was very in- 

 adequately described by Smith. As Forel says, it closel}^ resembles 

 Ph. megacephala, but the head of the soldier has a faint scrobe for the 

 antennal scape, which is shorter than that of megacephala, and the 

 rugae extend further back. More material of this form is necessary 

 before the status of Ph. fervida can be accurately determined. Ac- 

 cording to Forel living specimens have been imported into Hamburg 

 in bamboo plants. 



10. Monomorium floricola Jcrdon. 



Monomorium intrudens F. Smith, Trans. Ent. Soc. London, 1874, p. 406. § 

 Monomorium intrudens Mayr, Verhandl. zool. bot. Ges. Wien, XXXVI, 1886, 



P- 363- 



F. Smith's M. intrudens may be regarded as a synonym of the 



well-known tropicopolitan M. fioricola on the authority of Prof. 



Emery (in litteris) who remarks that Smith's description "agrees in 



every point" with specimens of the latter species. 



II. Monomorium nipponense sp. nov. 



Worker. Length 1.3 mm. 



Head longer than broad, oblong, with parallel sides and straight posterior 

 border. Eyes small, distinctly in front of the middle of the head. Clypeus 

 and frontal area convex, the former with broadly rounded anterior margin. 

 Antennae 12-jointed, scapes not reaching to the posterior corners of the head; 

 first funicular joint about twice as long as broad, joints 2-8 very small, mticli 

 broader than long, joints 9 and 10 subequal, as long as broad, together decidedly 

 shorter than the terminal joint. Prothorax half as broad as the head, pro- and 

 mesonotum evenly rounned, hemispherical, separated by a sharp but not very 

 deep constriction from the epinotum which is also evenly rounded and sloping, 

 without any angle between the base and declivity. Petiole barely twice as 

 long as broad, pedunculate in front, broader behind; node in profile high but 



