FISHERY BULLETIN: VOL. 83, NO. 1 



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Figure 50. — Sicyonia picta, syntype 6 15.5 mm cl, off Golfo de Panama. A, Petasma dorsal view; fi, ventral view of same; 



C, right appendix masculina, dorsolateral view. Scales = 1 mm. 



Appendix masculina as illustrated in Figure 

 50C. 



Thelycum (Fig. 51) with plate of sternite XIV 

 flat or slightly elevated laterally, inclined toward 

 broad median depression, and bordered anteriorly 

 and laterally by narrow, sometimes thickened, 

 flange. Median plate of sternite XIII flask-shaped 

 in outline or subtriangular, tapering anteriorly 

 into long, slender spine reaching between proxi- 

 mal end and midlength of basis of anteriorly ex- 

 tended second pereopods; plate at level of fourth 

 pereopods excavate and constricted by pair of shal- 

 low, widely separated lateral incisions; posterior 

 component of median plate, often convex laterally, 

 with rather deep median emargination. Paired 

 short spines projecting from posterior margin of 

 sternite XI. Posterior thoracic ridge narrow, with 

 well-marked anteromedian margin but flush with 

 lateral parts of plate of sternite XIV. 



The smallest impregnated females encountered 

 have a carapace of 7 mm, about 28 mm tl. 



Color. — Mendez G. (1981) described recently 

 caught specimens as follows: body light red or 

 orange red, with white areas on ventral part of 

 abdominal somites; carapace marked by conspicu- 

 ous ocellus consisting of red center surrounded by 

 yellow ring. Diffuse dark spot on lateral ramus of 



60 



Figure 51.— Sicyonia picta, syntype 9 28 mm cl, off Golfo de 

 Panama. Thelycum. Scale = 1 mm. 





