476 bulletin: museum of comparative zoology. 



64. Prenolepis vividula (Nylander). 



Formica vividula Nyl.,'Acta Soc. sci. Fennica, 1846, 2, p. 900, ^ 9 a", pi. 18, 

 fig. 2. 



Viti Levu: Nadarivatu, Waiyanitu, Nausori, Tai Levu, Koro Vatu. 

 VanuaLevu: Lasema, Wainunu, Suene. Ovalau: Levuka. Taviuni: 

 Some Some, Nagasau. Kadavu: VanuaAva. Lau: Munia, Tuvuca. 

 Vanua Mbalavu: Loma Loma. 



65. Prenolepis (Nylanderia) burbonica Forel, var. bengalensis 



Forel. 



Journ, Bombay nat. hist, soc, 1894, 8, p. 406-407, ^ . 



Viti Levu: Nadarivatu, Waiyanitu, Suva, Koro Vatu. Vanua 

 Levu: Wainunu, Labasa. Ovalau: Levuka. Taviuni: Some Some. 



This variety, which occurs also in Samoa, is exceedingly abundant 

 throughout the larger islands. 



66. Prenolepis (Nylanderia) oceanica, sp. nov. 



Worker. Length 1.25-L50 mm. 



Head a little longer than broad and slightly broadest behind, posterior 

 border nearly straight. Mandibles with four strong teeth and two minute 

 ones. Cl>^^eus very obtusely carinate at middle, anterior border nearly 

 straight. Eyes rather large, feebly convex, situated in front of sides at middle. 

 Antennal scapes surpassing occipital corners by distinctly less than half their 

 length; first funicular joint a little longer than the second and third together, 

 remaining joints except the terminal, less than twice as long as broad. Thorax 

 robust. Mesoepinotal suture broadly impressed. Basal portion of epinotum 

 in profile about one third as long as declivity. Node small and much inclined 

 forward. Legs not very long. 



Feebly shining. Mandibles striate. Body finely and shallowly punctate. 



Head, body, and appendages rather thinly covered with fine, silky appressed 

 pubescence. Macrochaetae sparse on head and gaster, and two pairs each on 

 pro- and mesonotum and one pair on epinotum. 



Color dark brown, to black, with the appendages pale brown. Pilosity 

 yellow-brown. 



Viti Levu: Nadarivatu (Type-locality), Waiyanitu. 

 Distinct from minutula Forel, with which it is related in the more 

 robust form and the broader subquadrate head. 



