408 



HI 111 UN . Ml SE1 M 01 < «>MP VKU l\ I. ZOOLOG1 . 



I IPACHYi (( !ebAPA( m 9 MAJUBC1 LI B, p. nov. 



M orker. Length 4.50 nun. 



Head b fourth longer than broad, ai broad in fronl ai behind, with moder- 

 ateVj convex sides and shallow ly and not broadly concave posterior borders. 

 Mandibles finely denticulate, ( larinae of cheeki prominent, armed with three 

 widely separated (>hmt teeth. Frontal carinae prominent and approximated, 

 broadly rounded in profile. Antenna! scapes extending ;i little beyond the 

 posterior border of eve. Funicular joints 2 10 transverse; terminal joint as 

 long as the five preceding joints together. Byes convex, situated ai sides of 

 bead a little in front of middle. Thorax subquadrate, a little more than twice 

 as long as broad, and very slightly narrowed at mesonotal region; in profile 

 moderately convex. Kpinotal declivity flat, Bubmargined laterally and above. 

 Petiole broader than long, as broad in fronl as behind; in profile higher than 

 long, with a stout anteroventral tooth. Postpetiok broader than petiole, 

 broader than long, and slightly narrowed in front. First gastric segment a 

 fourth longer than broad. Pygidium flat discally, its border Bpinulo 



Shining. Mandibles with sparse, coarse punctures. Head and thorax with 

 moderately strong, scattered piligerOUB puncture-. Petiole and post petiole 

 with more abundant and much coarser punctures. Gaster finely punctate; 

 the apical borders of each segment and the margins of the pygidium with 



COarse, shallow punctures. 



Fine erect hairs moderately abundant on head, body, and appenda-_ 

 Black; gaster brownish; appendages dark reddish brown. 



Viti Levu: Nadarivatu. 



Described from a number of workers, from several colonies taken 

 with larvae and pupae beneath stones. Type. — M. C. Z. 8,682. 



Key to Fijian Species. 



1. Length 4.5 mm. Punctation of head and thorax fine, that of petiole 

 and postpetiole stronger, but widely separated majuscvlus Mann 



Length 3 mm. Punctation of head and thorax coarse, that of petiole very 

 coarse and dense, giving these parts a subrugose appearance 2. 



2. Dorsum of thorax at middle with fine punctures, sparsely distributed 

 and much finer than those at the sides of dorsum and on pleurae. 



vitietisis Mann 



Dorsum of thorax at middle with coarse punctures similar to those of 



pleurae ritiensis subsp. sculpturatus Mann 



3. Cerapachys (Syscia) cryptus, sp. nov. Fig. 1. 



Worker. Length 4 mm. 



Head a fourth longer than broad, as broad in front as behind, sides feebly 

 convex, posterior border shallowly concave. Mandibles elongate triangular, 



