26 BULLETIN 97, UNITED STATES NATIONAL MUSEUM. 



GONEPLAX BARBATA (A. Milne Edwards). 



Plate 4, figs. 1 and 3 ; plate 5. 



FrcviUca barbata A. MILNE EDWARDS, Bull. Mus. Coinp. Zool., vol. 8, 1880, 

 p. 15 (type-locality, Int. 23 13' N.; long. 89 16' W., 84 fathoms, station 

 3G, Blake; type in Paris Mus.). 



FreriUca barbata t HATIIBUN, Bull. L.'ib. Nat. Hist. State Univ. Iowa, vol. 4, 



1S9S, p. 287. 



Diagnosis. Two lateral spines. Orbital spine long. A spine on 

 arm and wrist. A patch of hair on distal part of wrist and proximal 

 part of palm. 



Description. Carapace somewhat uneven, smooth, an oblique ridge 

 on the branchial region opposite the lateral spine. Orbital spine long, 

 projecting laterally; next spine very small. Margin of front sinuous. 

 a slight point at the middle. A notch in the upper margin of the 

 orbit at its inner angle. 



On the posterior border of the merus of the cheliped and distal 

 to the middle there is a curved spine, which when the arm is flexed 

 fits directly under the small lateral spine. A prominent curved spine 

 at the inner angle of the carpus. Fingers nearly equal in size. A 

 patch of very fine, thick, light yellow hair on the distal part of the 

 wrist and the proximal part of the palm. 



The first segment of the male abdomen is very short, scarcely 

 visible; second very wide reaching the coxal joints and covering the 

 sternum ; third segment at its base equal in width to second. 



Measurements. Male, Grenada, length of carapace, 7; fronto- 

 orbital width, 10.7; posterior w r idth, 5.8; lateral margin 5.5 mm. 



Range. Gulf of Mexico to Grenada, West Indies. 



Material examined. 



Gulf of Mexico: S. of Apalachicola, Florida; lat. 28 45' 00" N.; 

 long. 85 02' 00" W.; 30 fathoms; gy. S. brk. Co.; Mar. 15, 1885; 

 station 2405, Albatross; 1 male (46309). 



Off Havana, Cuba ; 1893 ; State Univ. Iowa Exped. ; 1 young male 

 (Mus. S. U. L). 



Off Grenada ; lat. 12 01' 45" N. ; long. 61 47' 25" W. ; 92 fathoms ; 

 fne. S.; Mar. 1, 1879; station 262, Blake; 1 male (Cat. No. 4116, 

 M. C. Z.). 



Other records Yucatan Channel; lat. 23 13' 00" N.; long. 89 

 16' 00" W.; 84 fathoms; temp. 60 F.; station 36, U. S. C. S. Str. 

 Blake; male holotype (Paris Mus.). 



GONEPLAX SIGSBEI (A. Milne Edwards). 



Plate 4, figs. 2 and 4. 



Frevillea sigsbei A. MILNE EDWARDS, Bull. Mus. Comp. Zool., vol. 8, 1880. 

 p. 16 (type-locality, Grenada, 92 fathoms, station 253, Blake; holo- 

 type In Paris Mus.). 



