MILLIPEDS OF FAMILY LYSIOPETALIDAE — LOOIMIS 107 



m — " — n 



FiGUEB 16. — Species of Colactis and Spirostrephon. 



a, 6. Colactis saxetana : a. Lateral view of gonopod ; 6, outline of poriferous carina from 



near middle of body. 

 c, d. C. baboquicari : c. Lateral view of gonopod ; d, outline of poriferous carina from 



near middle of body. 

 e, f. C. quadrate : e. Lateral view of gonopod ; f, outline of poriferous carina from near 



middle of body. 

 — i. O. protenta : g, Lateral view of gonopod; h, posterior view of gonopods ; i, outline 



of poriferous carina from near middle of body. 

 /, k. O. sideralis : j, Lateral view of gonopod ; k, outline of poriferous carina from near 



middle of body. 

 I, m. Spirostrephon lactarium, : I, Last joint of sixth leg of male ; m, posterior view of 



gonopods. 

 n. 8. texensis : Posterior view of gonopods. 



