102 PROCEEDINGS OF THE NATIONAL MUSEUM VOL. 120 
apically and fringed with subequal spinules. Siphonal index about 
3.0 to 3.5; three double or triple siphonal tufts inserted on the siphon. 
Pecten with about 20 fine teeth, restricted to the basal third of the 
siphon; each tooth with coarse barbs on one side. Anal segment 
spiculate, completely ringed by the saddle. 
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Ficure 30.—C. secutor, Mayaguez, P.R., USNM RB62 356: a, basistyle and dististyle; 
b, mesosome. C. sphinx, New Providence, Bahama Is., USNM RB62 381: ¢, basistyle 
and dististyle; d, mesosome. 
