8G CRABS FROM THE ANTILLEAN REGION— M. J. RATHBUK vol.xvii. 



spine has 1 or 2 accessory spiuules. The subhepatic and pterygostomian 

 regions are spinulons. There are 2 small spines forming a longitu- 

 dinal line with the inner suborbital spine. 



Chelipeds unequal, spinous and long-hairy. Merus with surface 

 minutely spinulons, margins spinous, the upper margin furnished dis- 

 tally with 2 spines longer than the others. Carpus with outer snr- 

 face spinous and spinulons, a strong spine at the inner angle. Manus 

 with 4 slender spines on upper margin, lower margin spinulons, 

 spines of outer surface arranged in longitudinal rows, inner surface 

 minutely granulous. Fingers spinulous and hairy proximally, horn- 

 colored, with teeth and tips almost white. Ambulatory legs very long, 

 slender and hairy; margins of meral joints and upper margin of carpal 

 and i^ropodal joints spinous. 



The type specimen has the posterior portion of the carapace and 

 sternum broken off and is without the last 3 pairs of legs. The only 

 other individual is a soft shell female, very imperfect. 



Measurements. — Width of carapace, 16 mm. ; width of front, 6 ; length 

 of longest hairs of carapace, abont G. 



Localities.— Off Havana, Cuba, in lat. 23° 10' 40" N., long. 82° 20' 

 15" W., 184 fathoms, fine gray and white coral, station 2345, type 

 (No. 9526, U. S. N. M.). Off Yucatan, lat. 20° 59' 30" N., long. 86^ 23' 

 45" W., 130 fathoms, coral, station 2354 (No. 18158, U. S. N. M.). 



This species in its long ambulatory legs resembles P. gracilipes, A. 

 Milne-Edwards, which differs, according to that writer, in its unarmed 

 superior orbital margin and short hair. 



