NO. 14 MILLIPEDS OF WEST INDIES AND GUIANA — LOOMIS 59 



segments 5, 7, 9, 10, 12, 13, 15, and 16 with two distinct, equal lobes 

 in front of the pore tubercle. Surface of the segments with four 

 longitudinal rows of four high, rounded tubercles ; on the caudal seg- 

 ments the lateral rows of tubercles are reduced in size, and the median 

 rows are increased ; surface elsewhere indistinctly granular, the gran- 



FiG. 29. — Cyncdcsmns simplex. Gonopod, lateral view. 



ules nowhere in regular series. The entire surface of the animal is 

 more or less dirt-incrusted. 



Last segment without dorsal tubercles, the posterior margin 6-lobed. 



Gonopods shown in lateral view in figure 29. 



Anterior legs and sterna of the male without special modifications. 



Type.—V.S.'^M. no. 1106. 



CYNEDESMUS sp. 



An i8-segmentcd female 3.5 mm long and .7 mm broad was found 

 on the Aripo Savannah, Trinidad, February 14, 1932. 



Although several characters appear to distinguish this animal from 

 other species of the genus, mature specimens should be seen before 

 it is assigned a specific name. 



LOPHODESMUS CARAIBIANUS (Chamberlin) 



Trescolobus caraibiamis Chamberlin, Bull. Mus. Comp. Zool. vol. 62, pp. 220- 

 221, 1918. 

 One female specimen, which in comparison with Haitian specimens 

 of this species showed no striking differences other than being slightly 

 more slender, was collected under a stone near the Grantstown section 

 of Nassau, New Providence, January 3, 1932. 



Family HERCODESMIDAE 



DILOPHOPS, n. gen. 



Type. — Dilophops btdlafus. n. sp. 



Description. — Body very strongly arched; keels projecting down- 

 ward and outward for a moderate distance, their extremities almost 

 on a level with the basal joints of the legs, margins with a heavy, 

 thickened rim. 



