WEST INDIAN CENTIPEDES — CKABILL 



179 



dozen hyaline, spatulate setae. Ai-ticles 9 and 13 each dorsodistally 

 with two short thick, deeply colored sensory points (sensilla). 



Cephalic plate; Length 0.34 mm., greatest mdth 0.38 mm. In 

 outline nearly circular, dorsally swollen into a low dome. Setae very 

 sparse and long. Deeply areolate and shining. Without sutures or 

 sulci. Prebasal plate not apparent, evidently vestigial or absent. 





Figures 7-12. — Ityphilus idanus, new species, holotype: 7. Clypeus and labruin (ventral 

 view, all setae shown): a, Arching band of heavier, more deeply colored areolation 

 enclosing strictly membranous region just anterior to degenerate labrum. 8. Right 

 antenna (lateral aspect, the ventral surface is on left, all setae deleted, all but first two 

 articles shown): a, Elliptical patch of hyaline spatulate setae on terminal article; b, 

 peglike or pointlike sensilla on articles 9 and 13. 9. Ultimate pedal and postpedal segments 

 (ventral view, right leg deleted): All setae of presternites, sternite, and ultimate leg 

 shown. 10. First and second maxillae (ventral view, left telopodite deleted, all setae shown 

 on right side) : The membrane is indicated by stippling. 11. Right prehensorial telopodite 

 (ventral view, all setae deleted): Poison calyx in situ and enlarged. 12. Sixth sternite 

 (ventral view, all setae shown) : Anterior end uppermost. 



