ART. 10. WEST INDIAN MILLIPEDS CHAMBERLIN. l7 



form of this keel much more nearly approaching C . hruesi of Ja- 

 maica. Keels of posterior region not notched on caudal side. 



The gonopods of male as shown in plate 6, figure 5. 



Length. — 13 mm. ; width, 4 mm. 



Locality. — Isla de Pinos: Bibijagua. Barbour and Brooks, June, 

 1918. Four specimens. 



Type.— C2ct. No. 5028, M. C. Z. ; paratypes. Cat. No. 5029, M. C. Z. 



Most resembles C. hruesi Chamberlin, of Jamaica, but differs in 

 form of gonopods as well as in certain details of the keels, as shown 

 in the figures. 



Family CRYPTODESMIDAE. 



Genus HOMODESMUS Chamberlin. 



HOMODESMUS PARVUS Chamberlin. 



Homodesmus parvus Chamberlin, Bull. IMus. Comp. Zool., 1918, vol. 62, 

 p. 222. 

 Ljocality. — Porto Rico: San Juan (5 Nov., 1899). 

 A single male taken at this locality agrees fully with the types, 

 which are from Manneville, Haiti. 



EXPLANATION OP PLATES. 



Plate 1. 



Prostemmiulus nesides, new species. 



Fig. 1. CoUum and adjacent parts, lateral view. X33. 



2. Anterior sternite of eleventh segment. X33. 



3. Posterior sternite of eleventh segment. X33. 



Nannolene iurkei Bollman. 



4. Gnathochilarium of male. X38. 



5. Gonopods of male, anteroventral view. X33. 



6. Gonopods of right side, mesal view. X33. 



7. Left posterior gonopod, mesal view, more enlarged. 



8. First leg of male. X33. 



9. Sixth leg of male (first joint omitted). X33. 

 10. Seventh leg of male. X33. 



Plate 2. 

 Epinannolene trinidadetisis (Chamberlin). 



Fig. 1. Left gonopod of male, subectal view. 



2. Distal portion of right gonopod, caudal view. 



Nesobohis toroanus Chamberlin. 



3. Anterior gonopods, anterior view. X33. 



4. A posterior gonopod. X33. 



