chamberlin: west ixdian chilopoda and diplopoda. 231 



spots or these may be confluent mesally. The head is pale across the 

 base but adjacently shows a dark area which runs to a point be- 

 tween the antennae below which it does not descend, the head else- 

 where yellow. 



Lateral teeth on keels from second to eighth. Tooth of caudal 

 margin of keel is in part acute, of moderate size. Caudal processes 

 of eighteenth keels equalling or a little exceeding those of the seven- 

 teenth. 



Length (female type), 26 mm.; width, 4.5 mm. 



184. Amphelictogox manni, sp. nov. 



Type — M.C.Z. i,oOo. Haiti: Diquini. W.M.Mann. 



In coloration much resembling A. maculatus of Cuba; but in addi- 

 tion to the chocolate colored areas on the prozonites above, there is a 

 similarly colored and distinct stripe across the anterior border of each 

 metazonite, and the marks on the sides of the prozonites are less 

 spot-like, being much more extended ventrad in the form of narrow 

 stripes. A distinct dark mark under each keel but this obviously 

 smaller than that of the prozonite. Head yellow excepting for a 

 triangular chocolate-colored area above of which the apex extends 

 between the antennae. Legs and antennae yellow. 



Teeth of second, third, and fourth keels each with a minute lateral 

 tooth. 



The Cauda is obviously shorter than in maculatus and is straighter. 



A less robust species than A. maculatus. 



Length (female type), about 22 mm.; width, 3.8 mm. 



185. A-MPHELICTOGON BAHAMIENSIS, Sp. nOV. 



Type. — M. C. Z. 4,506. Andros: Mangrove Cay, August, 1904. 

 O. Bryant. 



This species is clearly distinct in the character of the gonopods. 

 The blade of the upper branch curves across the end of the lower 

 branch with the convexity cephalad; it crosses that of the other 

 gonopod and is distally strongly narrowed, acuminate. Proximad 

 of the base of the style on the mesal side there is an acute tooth 

 similar to that of A. suhierreanus but much longer. The style from 



