CILA.MBERLIX: WEST IXDIAX CHILOPODA AXD DIPLOPODA. 203 



134. Rhixocricus bruesi, sp. no v. 



r?/pf. — M. C. Z. 4,405. Jamaica. C. T. Brues. 



This species is characterized in ha^-ing two sutures both of which on 

 most segments are obliterated dorsally, the two being laterally about 

 equally developed. 



Each segment with an encircling median band which is brownish in 

 color or sulcus across the dorsum in posterior region a distinctly bluish 

 tinge, the band becoming paler down each side where it is areolated 

 with small light dots. Anterior and posterior borders light ferrugi- 

 nous. Last tergite dark, anal valves ferruginous. 



Collum laterally ^-idely rounded, narrowly margined. Second 

 somite extending much below collum, not excavated. 



Scobina well developed. Pores back of middle of somites. Suture 

 curving opposite pore. Anterior beginning a little above the level of 

 the pore. 



Last tergite much exceeded by the vahes. 



Number of segments, forty-eight. 



Length, near 34 mm.; width, 3 mm. 



135. Rhixocricus cockerelli Pocock. 

 Journ. Linn. soc. London, 1894, 24, p. 505. ^ 



Habitat. — Jamaica: Mande\'ille (T. D. A. Cockerell),^ Cinchona, 

 Liguanea Plain (C. T. Brues). 



136. Rhixocricus sabulosus Pocock. 

 Journ. Linn. soc. London, 1S94, 24, p. 504, pi. -38, f. 12.i 



Habitat.— Jaiiaica: Mandeville (T. D. A. Cockerell).^ 



Nesobolus, gen. nov. 



In this genus the gonopods differ from those of Rhinocricus in 

 having the two prongs of the posterior gonopods both slender much as 

 in Dinematocricus, a genus abtmdant in the East Indies, etc., with the 

 ventral, or principal one, much the longer and drawn out to a fine tip, 



