CHAMBERLIN: CHILOPODS from MEXICO AND WEST INDIES. 527 



greatest width in about ratio 8:7. Sides concave, diverging more 

 strongly near anterior end. 



Coxopleurae strongly inflated. Pores small and numerous except- 

 ing for the usual pore-free areas above and less markedly below at 

 caudal end. 



Anal tergite broad; very slightly wider than long; sides convex, 

 converging caudad; caudal margin rather wide, straight. 



First legs a little shorter and considerably more slender than the 

 second. Anterior legs more robust than the posterior ones. 



Anal legs in the female considerably longer than the penult; slender. 

 Distal article without membranous appendage. Short hairs uni- 

 formly distributed with much longer ones at or toward the distal ends 

 of articles. 



Pairs of legs 57. 



Length about 29 mm. 



Locality.— Haiti: Furcy (W. M. Mann). Type, M. C. Z. 1713; 

 one female. 



Lestophilus nesiotes, sp. nov. 



General color of body yellow. Head with basal plate, prosternum, 

 and prehensors very dilute chestnut, antennae testaceous. Legs 

 pale yellow. 



Body conspicuously narrowed caudad as usual but of nearly uni- 

 form width over middle and anterior regions. 



Head with sides between caudal corners and frontal region straight 

 and only slightly converging caudad. Sides of frontal region convex, 

 converging to ectal side of antennae. Anterior and posterior margins 

 truncate; 1.46 times longer than wide. Hairs few, moderate in 

 length. Basal plate with exposed portion 3.66+ times wider than long. 



Antennae long, being in type about 3.77 times longer than the head 

 plate. Articles long. Ultimate article much shorter than the two 

 preceding ones taken together. 



Claws of prehensors when closed extending a little beyond distal 

 end of the first antennal article. Claw armed at base with a conical, 

 distally rounded black tooth. Intermediate joints unarmed. Femu- 

 roid with a stout, subcorneal, distally truncate or bluntly rounded dark 

 tooth. 



Anterior margin of prosternum with a low dark nodular tooth each 

 side of the narrow median sinus. Sides nearly straight, a little con- 

 verging from the anterior ends. Caudad to the rounded posterior 

 corners. Exposed portion equal in length and breadth. 



Prescuta all short, those of the anterior region especially so. 



