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The second legs much resemble those of Syu. hiihilcnsis. The first segment, 5,2-times 

 as long as thick at the distal extremity, appears as long as the sum of the four following and 

 one-fifth longer than the chela, the fingers of which are one-third longer than the palm ; the 

 second, the third and the fourth segment are equal. 



Relative dimensions of third legs: merus 2,4; carpus i ; propodus 2,23 — in the other 

 specimen respectively 2,5; i; 2,2. Merus 4,6-times, in the other specimen 5-times as long as 

 wide; propodus 7,1-, respectively 7-times as long as wide, with 9 spinules long 0,09 — 0,12 mm. 

 Measured from the proximal end of the anterior margin to the tip of the ventral hook, the 

 dactylus appears to measure a little less than one-fifth of the propodus. The dactylus resembles 

 that of Syn. Jiululensis; it is 2,8-times as long as wide near the articulation, ventral hook one 

 and a half as long as wide at its base, dorsal hook nearly just as broad at its base, but a 

 little more than one and a half as long as the ventral hook ; notch between both hooks obtuse. 

 In the ova-bearing female the merus of the third legs is 1,07-times, in the other specimen 

 I, I 5 -times as long as the propodus. 



Ova few in number, rather large, 0,6 — 0,75 mm. long. Length of the egg-bearing female 

 10 mm., the other specimen is a little younger. 



Remarks. This species seems to approach also to Syn. Mac-Cull odd Cout. from 

 Australia, but it differs by the less stout shape of the carpocerite, by- the lateral spine of the 

 basicerite being not longer than the basal portion and perhaps by other features. 



J 29. SynalpheiLS hilariihts de Man. 



J. G. DE Man, in: Tijdschr. cl. Ned. Dierk. Vereen. (2) Dl. XI, 1910, p. 290. 



Stat. 152. August 12/13. Wunoh-bay, N.W. coast of Waigeu- island. Reef, i egg-bearing female. 



A species of the Paulsoni group, apparently closely related to Syn. Panlsoni Raincs- 

 warensis Cout. and to Syn. Paulsoni liininaris Cout., but which is described as new, because I 

 do not succeed in identifying it with certainty with any of these forms. Rostrum 3-times longer 

 than wide at its base, not curved upward at the tip and reaching almost to the apex of first 

 antennular article; lateral spines one-fourth shorter than the rostrum, with the pointed, acuminate 

 tips slightly directed inward and separated from the rostrum by notches that are narrowing 

 backward, like those of Syn. Panlsoni Nob. (vide H. Coutiere, in: Proc. U.S. Nation. Mus. 

 XXX\'I, 1909, p. 23, Pig. 2). Antennular peduncle stout, 3,66-times longer than wide at the 

 distal extremity of median article. Mea.sured in the middle of the upper surface, the visible part 

 of the basal article appears almost one and a half as long as the second, which is hardly 

 longer than wide at the apex; third artide almost as long as the second, very little 

 shorter. Stylocerite acuminate, extending almost to the end of second article, with both the 

 outer and the inner margin straight. 



Lateral or lower spine of the basicerite just as long as the outer margin of the basal 

 portion, much shorter than the stylocerite and hardly extending beyond the basal antennular 

 article. Carpocerite 3, 3-3, 5-times longer than wide in the middle, measured on the lower side and 

 exceeding the antennular peduncle by two-thirds the third article ; outer margin of scaphocerite 



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