FORMICID^ FROM LOWER CALIFORNIA. 163 



3. Plagiolepis longipes (Jerd.) Emery. 



Formica lowjixtes Jerdau, Madras Jouru. of Litt. & Sc, xvii, 1S51, 



p. 12-2. 

 Formica (jrctcilipes Smith, Jonrii. of Proc. Liun. Soc. Zool., ii, 



1857, p. 55. 

 Formica trifasciata Smith, Catal. Hym. Brit. Mns., vi, 1858, p. 



27. 

 Prenolepis gracilipes MajT, Verh. zool. bot. Ges. AVieu, xii, 1862, 



p. 698. 

 Plagiolepis gracilipes Mayr, Tijdschr. v. Eutom., x, 1S67, p. 73. 

 Plagiolepis longipes Emery, Ami. Mus. Civ. Geneva, xxiv, 1887, 



p. 247. 

 Plagiolepis gracilipes Eothney, Trans. Eutom. Soc. London, 1889, 



p. 373. 



Numerous '0 ^ . Todos Santos. 



This is the first record of the occurrence of this species 

 in America. As far as observations go, it has heretofore 

 been found only in India, British Burmah, Annam, China, 

 the Sunda Islands, Australia and Samoa. 



4. Tapinoma pruinosum Rog., var. anale Andre. 



Tapinoma anale Andre, Revue d'Ent., vol. xii, 1893, p. 148. 



^ . San Julio. 



This variety has been also found in various localities 

 in California and at Chihuahua, Mexico. 



MYRMICID^. 



5. Aph^noga.ster carbonaria n. sp. 



^ . Length, 4-5 mm. Head elongate, longer than 

 broad, rounded behind. Face and clypeus densely and 

 finely striated, the stride coarser and less dense posterior- 

 ly, the vertex almost smooth. Frontal area with a me- 

 dian carina. Mandibles longitudinally striated and with 

 a few coarse punctures near the terminal edge. Protho- 

 rax with extremely fine stria; at the sides anteriorly. Me- 

 sothorax smooth. Metathorax with fine, transverse stride 

 above, the strice longitudinal and coarser laterally at pos- 

 terior half. Metathoracic spines wanting, their position 



