26 BULLETIN 97, UNITED STATES NATIONAL MUSEUM. 



GONEPLAX BARBATA (A. Milne Edwards). 



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



Frevillea barbata A. Milne Edwards, Bull. SIus. Comp. Zool., vol. 8, ISSO, 

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

 36, Blake; type in Paris Mus.). 



Frevillea barbata ? IlAXHnuN, Bull. Lab. Nat. Hist. State Univ. Iowa, vol. 4, 

 1898, 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 cheiiped 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 j^alm. 



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 width, 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. N^o. 4116, 

 M. C. Z.). 



Other records.— YuQuidLYi 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, Bloke; holo- 

 type in Paris Mus.). 



