THYSANURA AND TERMITID^E 



545 



CCE 



Fig. 55. Calotcrmes galapagoensts^ wing. 



Fig. 56. Calotermes galapa- 

 goensis, head and pronotum. 



costal vein does not branch till beyond the middle of wing, median 

 vein about half-way between the subcostal and submedian with the 

 usual branches simple, except those near the apex which are forked. 

 Several specimens from Wenman Island in December. 



CALOTERMES PACIFICUS sp. nov. 



Length, with wings, 11 mm. ; body 8 mm. 



Pale yellowish brown ; beneath paler, as also on legs and anten- 

 na ; wings hyaline, costal and subcostal veins with the branches brown. 

 Head not very large, eyes at about middle, ocelli present. Prothorax 

 nearly twice as broad as long, concave in front, 

 fully as broad as head. Meso- and metathorax 

 much longer than prothorax, and fully as broad. 

 Abdomen plainly longer than head and thorax 

 together. Wings not greatly longer than the 

 body, moderately broad, branches before mid- 

 dle and before end of costal, the median vein 

 is about half-way between the subcostal and sub- 

 median veins, branched near the tip and con- 

 nected to subcostal, the submedian has most of its 

 apical branches forked, those toward base are very 

 oblique. 



Soldier — Length 12 mm. 



Head castaneous, darker in front than behind; Fig. 57. Calotermes 

 mandibles black; rest of body, legs and antennse /«"/c«5, soldier and 

 pale yellowish. Head about once and one-third '"^"'^'b^^- 

 longer than broad, sides slightly convex, equally broad in front 

 and behind, somewhat flattened above, near anterior margin slightly 

 concave above the middle. Mandibles stout and large, with two 

 small teeth toward tip and a larger one basad, on outer side at 

 base there is a hump. Antennae slender, about as long as width of 

 the head, 14-jointed, the third joint plainly longer than any of the 

 others, also darker. Prothorax plainly broader than long, fully as 

 large as meso- and metathorax together, the latter but slightly sepa- 



