138 SOLENOCERA MELANTHO. 



the anterior margin and situated above the level of the 

 antennal spine. Third to sixth abdominal somites carinate; 

 6*1» somite little longer than the 5^^ and one fourth longer 

 than high ; telson one third longer than the 6'h somite, 

 with a pair of small spines near the tip, almost as long 

 as the outer branch of the caudal fan. 



Eyes large, black, reuiform. Antennular peduncle shorter 

 than antennal scales, flagella slender, once and a lialf as 

 long as the carapace without the rostrum. 



Legs of l8t pair bispinose, those of 2"'^ pair unispinose, 

 3''d pair unarmed; Sfd pair reaching with more than half 

 their carpal joints beyond the antennal scales; carpal joints 

 of 3rd legs almost twice as long as the meri. Dactyli of 

 4:^^ legs lanceolate, like the propodites that are once and 

 a half as long, compressed and carinate on the upper and 

 the lower side. Fifth legs thinner than the others, as long 

 as 3rd pair, reaching with the two last joints beyond the 

 scales. Each branch of the petasma ends in 3 lobules, the 

 anterior, the longest, truncate, with minute spinules on the 

 distal margin, the middle-ones shorter, obtuse, the posterior 

 hooky, curved outward, also with minute spinules, the 

 shortest of all. 



Thelycum consisting 1'^ of a vertical plate immediately 

 behind the coxae of 4th pair, 2^ of a quadrangular, hori- 

 zontal plate between the legs of the 5^^ pair, with up- 

 standing margins, 3° of two small tubercles just behind 

 the vertical plate. 



Length of male 100™™-, of female 132™™-. 



13. Haliporus sibogae, n. sp. 



Station 38. Lat. 7°35'4 S.; long. 117°28'6 E. Depth 



521 M. 

 Station 74. Lat. 5°3'5S.; long. 119°0'E. Depth 



450 M. 

 Station 212. Lat. 5°54'5 S. ; long. 120°19'2 E. 



Depth 462 M. 



Notes from the Leyden IMuseutn, Vol. XXIX. 



