NO. 14 MILLIPEDS OF WEST INDIES AND GUIANA LOOMIS 1 5 



segments smooth and with a dull sheen except just along the posterior 

 margin, which shines in contrast. Ventral striations not reaching 

 to the last joint of the legs. Scobina present from segment 12 or 13 

 to within 15 or 16 segments of the posterior end of the body, the 

 scobina small and represented by a round pit followed by a narrow 

 attenuated striate area. 



Fig. 5. — Rhinocricns Umatulns. a, gonopods, anterior view ; b, apex of 

 inner gonopod, mesial view. 



Last segment with the rather sharply angled tip equaling the valves. 



Anal valves of some specimens show a faint indication of having 

 compressed margins. Preanal scale broadly rounded behind, the sides 

 emarginate. 



Gonopods as shown in figure 5, a and b. 



Males without special modifications of the pregenital legs. 



Type.—U.S.'NM. no. 1090. 



RHINOCRICUS GRENADENSIS Pocock 



Rhinocricus grenadcnsis Pocock, Journ. Linn. Soc. London, vol. 24, pp. 498- 

 499, 1894- 

 Several specimens of this species were collected near Grand Etang, 

 Grenada, February 10, 1932. 



RHINOCRICUS ARBOREUS Saussure 



Rhinocricus arhoreus Saussure, Linn. Ent., vol. 13, p. 331, 1859. 



Many specimens were collected from the branches and trunks of 

 low bushes and trees on the high hills back of Roadtown, Tortola 

 Island, March 19, 1932. 



The living animals are brilliantly shining, black, and in the sunlight 

 they show a slight bluish or greenish reflection. The labrum of these 

 2 



