544 



BANKS 



the bases of antennaj is a median brown spot. The last joint of maxil- 

 lary palpi is plainly shorter than the penultimate, which is about 

 equal to the one preceding it; the basal joints are marked above with 



Fig. 53. Machilis mutica^ head. Fig. 54. Machilis. miitka. end of body. 



brown. Antennaj once and one-half length of body; the basal joint 

 about twice as long as wide; beyond the joints are of the usual curious 

 arrangement ; first several hard dark rings alternate with pale, then 

 three dark rings in a group, then four, then six, then eight, then ten 

 or twelve, and keeping at about ten to sixteen to the tip. Median 

 cercus as long as body, lateral cerci less than one-third the length of 

 the median. There does not appear to be any trace of the appendages 

 to the second and third coxaj, found in other species. 



A number of specimens from Clipperton Island in November. 



Family TERMITID^. 



Of the two species of Termites collected both appear to be 

 distinct from any previously described. When the species from 

 the Central American region are more full known it may be 

 found that they also occur there. The genus Calotermes is 

 found throughout tropical countries. 



CALOTERMES GALAPAGOEXSIS sp. nov. 



Length, with wings, 9.5 mm. ; body 5 mm. 



Yellowish brown ; mouthparts, antennas, legs and ventral region 

 paler; wings nearly hyaline, subcostal vein audits branches brown, 

 costal area slightly infuscate. Head quite broad, eye situate before 

 the middle, ocelli present. Prothorax much broader than long, 

 scarcely narrower than the head, rounded behind, with a median pale 

 line above. Abdomen nearly as long as head and thorax together. 

 Wings much longer than body, quite broad, pointed at tip ; the sub- 



