14 CAUCINOLOGICAL STUDIES. 



tively a little less enlarged than that of the adult individual 

 from Batavia, which I described some time ago. 



Type specimen Padang 



Measurements: of Paris. specimen. 



Breadth of the cephalothorax . . 13 mm. 27 mm. 

 Length » » » . . 7^/- » I5V4 » 



Distance between the external 



orbital angles 6^/2 » QVa » 



6. Epixanthus subcorrosus , n. sp. 

 (PI. ] , fig. 3). 



The Leyden Museum has purchased from the Museum 

 Godeffroy two specimens of a new Epixanthus , a male 

 and an ova-bearing female , collected on the Island of Upolu. 



This new species at first sight strongly resembles Epix. 

 frontalis M. E., and is apparently more closely allied to 

 this species than to Epix. corrosus A. M. E. = rugosus 

 Kossra. I have before me specimens of £pi^. /ronto/zs (PI. 2, 

 fig. 4) from the Mergui Archipelago and from the Bay of 

 Batavia , and furthermore the two specimens of Epix. corrosus 

 mentioned above. 



As to the general form of the cephalothorax , this new 

 species strongly resembles Epix. frontalis ; thus the pro- 

 portion of the breadth and the length is precisely the same, 

 and the upper surface is as much depressed. As in 

 Epix. frontalis^ the upper surface is neither lobulated nor 

 grooved , except on the postfrontal or epigastric region , 

 where there is the usual longitudinal median suture which 

 is posteriorly bifurcated. 



The epigastric lobes are faintly indicated. The upper 

 surface of the cephalothorax of Epix. frontalis appears , 

 when seen under a lens , somewhat minutely granulated 

 anteriorly and towards the antero-lateral margins ; in our 

 new species, however, the upper surface is distinctly 

 rugose and uneven on the antero-lateral parts in front 

 of the minutely granulated line, which in both species 



Pïotes from the Leyden JMuseum, Vol. X.III. 



