448 BULLETIN 152, UNITED STATES NATIONAL MUSEUM 



Measurements. — Male holotype, length of carapace 6.7, width 9.4 

 mm.; figured female, length 7.6, width 10.7 mm.; largest female, 

 width 12.3 mm. 



Range. — Tortugas, Florida; Barbados. 



Material examined. — Middle section of Bird Key reef, Tortugas, 

 Florida; July 26, 1924; W. L. Schmitt; 1 female (60934); gift of Car- 

 negie Institution. 



Barbados; Barbados-Antigua Expedition, State University of Iowa: 

 Okra Reef; May 13, 1918; 2 young (Mus. S.U.I.). Barbados; May 

 31, 1918; 1 male holotype, 1 female (Mus. S.U.I. ), 2 males, 1 female 

 (58042); from old coral heads. Barbados; June 4, 1918; 5 small 

 (Mus. S.U.I.), from coral heads. 



MICROPANOPE NITIDA Rathbun 



Plate 181, Figures 3 and 4 



Micropanope nitida Rathbun, Proc. U. S. Nat. Mus., vol. 21, 1898, p. 587, pi. 

 42, fig. 9 (type-locality, southern part of Gulf of California, 8 fathoms, 

 station 2824, Albatross; type. Cat. No. 21583, U.S.N.M.); Bull. Amer. 

 Mus. Nat. Hist., vol. 48, 1923, p. 623. 



Diagnosis. — General appearance smooth. Frontal lobes rounded; 



second and fifth lateral teeth reduced; color of immovable finger not 



continued on palm. 



Description. — Carapace broad, convex in both directions; regions 



faint; surface minutely granulate or almost smooth, covered with 



very minute punctae and occa- 

 sionally a larger one. Front 

 flat, inclined, granulate; edge 

 thin; median sinus V-shaped; 

 lobes sinuous, convex for their 

 inner two-thirds. Orbits with 

 two V-shaped sinuses on supe- 

 rior margin. Lateral teeth five; 

 first or orbital tooth small, little 

 advanced ; second low, rounded 

 and connected with the first by 



Figure 73.— Micropanope nitida, male, holotype, ashallowsinUS; third andfourth 



CARAPACE 11.5 MM. WIDE. DORSAL VIEW j^^.^^^ ftrcuatc outcr aud coucavc 



inner margins and acute curved tips; fifth very small. No subhe- 

 patic tubercle. Outer suborbital fissure deep, narrow at base, with 

 convex sides; inner tooth low and blunt. Second segment of male 

 abdomen wide, leaving exposed at its outer distal corners a very 

 small piece of sternum; third segment with broad base and angular 

 comers, reaching coxae of last pair of legs; penult segment short, 

 sides convex; terminal segment triangular, end blunt. 



Chehpeds strong, finely granulate. Upper margin of arm granu- 

 late or denticulate. Carpus sHghtly rugose, a short sharp inner tooth or 



