The Chonaphini 131 



counties, Idaho 



armata (Harger) 



Distal extremity of prefemoral process with coaxial, marginally 

 serrate projection on dorsal surface (Figs. 10-12); King and 

 Mason to Skamania counties, Washington 



remissa Chamberlin 



3. Apical margin of prefemoral process broadly rounded, entire, 

 distolateral margin inturned dorsad, forming short sub- 

 terminal lobe; ridge on anterior surface only slightly elevated 

 above stem of projection, not laminate (Figs. 16-19); Coos 

 County, Oregon 



evexa, new species 



Apical margin of prefemoral process gently curved, deeply divided, 

 lateral side forming long, slender dactyliform projection, sub- 

 equal in length to broader medial projection; ridge on anterior 

 surface elevated and expanded into laminate flange or flap, 

 overlaying shield (Figs. 22-25); Stevens County, Washington 



schizoterminalis, new species 



Chonaphe armata (Harger) 



Figs. 2-8 



Polydesmus armatus Harger, 1872:119-120. pi. II, fig. 8. 

 Leptodesmus armatus: Bollman, 1893:122. Chamberlin, 1911:264. 

 Chonaphe armata: Cook, 1904:56-57, pi. Ill, figs. 2a-c. Attems, 1938 



(in part): 156, fig. 177. Chamberlin, 1949:125. Chamberlin and 



Hoffman, 1958:27. Kevan, 1983:2968. Shelley, 1990:2314; 



19936:9-10, figs. 4-5. 

 Chonaphe cygneia Chamberlin, 1949:125, fig. 1. Chamberlin and 



Hoffman, 1958:27. Kevan, 1983:2968. NEW SYNONYMY. 

 Chonaphe patriotica Chamberlin, 1949:127, figs. 2-3. Chamberlin 



and Hoffman, 1958, 1958:27. Kevan, 1983:2968. NEW SYNONYMY. 

 Chonaphe serratus Loomis and Schmitt, 1971:111-112, figs. 1-2. NEW 



SYNONYMY. 

 Chonaphe serrata: Kevan, 1983:2968. 



Type specimens — One male and two female syntypes (PMNH) 

 collected by O. Harger and G. H. Collier in October 1871 from the 

 vicinity of Canyon City, Grant County, Oregon. 



Diagnosis — Dorsal surface of prefemoral process with broad, 

 thickened, irregular projection distal to shelf; apical margin sublinear 

 to gently indented, lateral half curving anteriad and lying transversely 

 to axis, apically acuminate; shield not connecting with lateral margin. 



