

192 BULLETIN 97, UNITED STATES NATIONAL MUSEUM. 



closed fissure. Edges of all tlie lateral teeth of 

 carapace thin, straight, and in the same line; 

 point of orbital tooth turned inward; three 

 remaining teeth and rudiment of fourth, with 

 interspaces small. Ridge above posterior mar- 

 gin parallel to it and broken into seven long 

 tubercles, the end ones continuous, with post- 

 lateral margin. Outer suborbital lobe oblique, 

 separated by a V-shaped sinus from inner lobe, 

 which is more advanced and concave on mar- 

 gin, forming two lobes, the inner one sharp- 

 pointed. Pterygostomian lobe less advanced 

 and bent in an oblique plane, its upper surface 

 concave. 



Chelipeds very unequal in male, right the 

 larger, its manus granulate, an interrupted 

 ridge on upper margin of outer surface, and 



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Fig. 118. — Cymopolia zonata, outline of front and 

 orbits of male (22071), x 6. 



below it a short ridge leading back from con- 

 dyle of dactylus; fingers wide, gape small. 



Ambulatory legs rather short; merus joints 

 thick, with serrated ridges; first merus with a 

 prominent, narrow, rounded, distal tooth; sec- 

 ond and third merus with a thin, almost right- 

 angled tooth, not projecting distally ; proximal 

 lobe of carpus low and roimded; distal lobe of 

 second and third legs subrectangular ; anterior 

 margin of propodus slightly curved. 



First four segments of male abdomen and 

 penult segment of sternum (between legs of 

 third pair) moderately cristate. 



Color. — Legs banded with dark and light. 



Measurements. — Male (22071), greatest 

 length of carapace 12.6, width of same 15.4, 

 width of second ambulatory 25.5 mm. 

 Range.— Gwli of California, 8 to 40 fathoms. 



Material examined. — See table. 



