]MILLIPEDS OF FAMILY LYSIOPETALIDAE LOOJnS 135 



Last segment with 14 setae in addition to the two papillate hairs. 



Preanal scale shorter and less acute than in carlnellmn. 



Each gonopod with the inner, apical expansion of the erect piece 

 having only two or three serrations; lower lateral expansion less 

 developed and not curving forward and partially hiding the base 

 of the pronged arm as in caHnellum; middle stnicture of the 

 pronged arm ending in 8 to 10 tiny, obliquely radiating spines or 

 points; outer basal structure of the gonopod with a short and stout 

 fingerlike process adjacent to the erect piece (fig. 18, a, b). 



Seventh legs of the two males more normal in appearance than in 

 cannellum but also reduced in size and with the last joint not reach- 

 ing beyond the end of the fourth joint of the adjacent legs; spine of 

 the coxa shorter than in carinellmn and not curving forward toward 

 the tips of the gonopods; joint 3 as long as the four remaining outer 

 joints combined (fig. 18, e). 



Type.— MsJe, U.S.N.M. no. 1249. 



Remarks. — Two males and two females collected between Perris 

 and Elsinore, Calif., February 3, 1929, by Dr. O. F. Cook and W. H. 

 Jenkins. 



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