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Genus ParalichomolgUS Thompson and Scott, 1903. 



Tliis genus is closely related to Lichomolgus, but the distal ends of the first three 

 thoracic segments are produced posteriorly and terminate in distinct points. The exopodite 

 and endopodite of the fourth pair of feet are of nearly equal length. The endopodite is com- 

 posed of two sub-equal joints. 



One species was represented in the material collected by the 'Siboga' in the Malay 

 Archipelago. 



1 . Paralichomolgus curticaudatus Thompson & Scott. 



Paralichomolgus curticaudatus Thompson & Scott, 1903, p. 281, pi. XVI, figs. 1 — 7. 



Two females belonging to this species were found in the washings from dredged in- 

 vertebrata collected at Station 226, midway between the Lucipara and the Schildpad Islands, 

 from a clepth of 1595 metres. 



The female is easily recognised by its large body, and very short abdomen and furcal 

 joints. The distal ends of the first, second and third thoracic segments are produced posteriorly, 

 and terminate in blunt points. 



Paralichomolgus curticaudatus has only previously been recorded from Ceylon. 



Genus Pseudanthessius Claus, 1889. 



The mandibles and first pair of maxillipedes of the members of this genus are stylet- 

 shaped. The endopodite of the fourth pair of feet is shorter than the exopodite and is composed 

 of a single joint. 



The comparatively short one-jointed endopodite of the fourth pair of feet is the prin- 

 cipal character that separates the members of this genus, from the other genera belonging to 

 the Lichomolgidae. 



Four species of Pseudanthessius were represented in the material collected by the 'Siboga' 

 during the investigations in the Malay Archipelago. None of the four species appear to have 

 previously been met with. 



1. Pseudanthessius weberi nov. sp. Plate LXVII, figs. 18 — 24. 



Female — length 1,16 mm. 



Seen from above, the body appears short and broadly oval. The frontal margin is 

 rather narrowly rounded. The distal ends of the fourth thoracic segment are slightly produced 

 and are narrowly rounded. The fifth thoracic segment is of moderate length and is slightly 

 expanded at the distal end. 



The abdomen is composed of four segments. The combined length of the abdomen and 

 furcal joints is contained one and two-third times in the total length of the cephalothorax, 

 from the frontal margin to the distal end of the fifth thoracic segment. The genital segment 

 is rather long and is slightly expanded in the middle. The segment is as long as the combined 



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