no. 2067. NEW SPECIES OF CRABS— RATHBVN. 145 



P. insignis 1 has rounded sides, but is very wide. It resembles P. 

 insignis in its small exorbital tooth and the single spine on the legs; it 

 resembles P. stridulans in the stout chelipeds, which are similarly 

 armed, and in the general shape of palm and fingers. It differs from 

 both those species in the base of the male abdomen, as the first and 

 second segments do not cover the sternum in stridulans or insignis. 



Named for Dr. Hugh M. Smith, now Commissioner of Fisheries, who 

 was in charge of the work of the Albatross in the Philippines. 



Subfamily GJ-ON'EPIL.^Ciasr^E. 

 GONEPLAX RENOCULIS, new species. 



Type-locality. — Off southern Luzon: Malavatuan Island (N.), S. 23° 

 E., 8.5 miles; lat. 14° 00' 00" N.; long. 120° 17' 15" E.; 80-102 fath- 

 oms; fne. s., m., sh.; temperature 59.6° F.; July 17, 1908; station 

 5278, Albatross; two females (one ovig., type; one with thin shell 

 and broken). 



Type— Cat. No. 46307, U.S.N.M. 



Dimensions. — Type female, length of carapace, 8.3 mm.; width of 

 carapace, 12.6 mm.; width of front, 3.4 mm.; diameter of egg, about 

 0.3 mm. Male, length of carapace, 4.9 mm.; width of carapace, 7 

 mm.; width of front, 2.1 mm. 



The sides of the carapace are less convergent posteriorly than in G. 

 rhomboides (Linnaeus), the spine at the outer angle of the orbit is long 

 and slender, the spine behind it is dentiform, sharp, and of good size. 

 The upper margin of the orbit is strongly sinuous, as it is directed 

 suddenly backward before joining the outer spine; the orbit itself is 

 much larger in its outer half to accommodate the large reniform eye, 

 which lies in the same plane as the anterior part of the carapace; the 

 eye-stalk is stout and channeled above the cornea; the cornea is 

 chiefly ventral, anterior and posterior; the lower margin of the orbit 

 has a tooth at about the middle of the stalk; the orbit has more of a 

 tendency to divide into two fossas than in typical Goneplax, on account 

 of the great enlargement of the eye at the cornea. 



The merus of the chelipeds not only has the strong spine near the 

 middle of the upper margin which is present in G. rhomboides, but it 

 has two slender spines on the distal half of the lower, outer margin. 

 The carpus is more elongate, and its upper face more rectangular than 

 in rhomboides, the inner spine being situated farther back. 



The ambulatory legs are more slender and a little longer than in 

 rhomboides, those of the third pair more than two and one-half times 

 as long as the carapace. The merus joints have the customary sub- 

 distal spines. 



1 Alcock, Journ. Asiatic Soc. Bengal, vol. 69, 1900, p. 310. 

 59758°— Proc.N.M.vol.48— 14 10 



