WILLIAMS: NEW MARINE DECAPOD CRUSTACEANS 



Figure 7. — Continued. — Alvinocaris muricola : fingers of large chela showing finely toothed opposed edges neair tips, g teeth flush 

 with convex mesial surface, h spooned lateral surface of same, points rounded on dactyl, acute on fixed finger; close-up lateral view 

 of teeth and associated sensory setae, teeth of fixed finger in foreground and of dactyl in background, i near distal end of fingers, y 

 near midlength of fingers; k sensory seta showing 2 rows of sensillae on concave surface. A. markensis: I fingers of small chela, 

 mesial view of distal part. Scales: 3 jjim, k\ 20 (jim, ;; 30 \i^m,j; 50 p.m, h\ 100 M-m, /; 200 ^.m, g. 



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