PHILTRA SCABRIUSCULA. i^ 



Phili/ra scabriuscula , Milne Edwards , Hist. Nat. Crust. T. 

 II, pag. 132, PI. XX, fig. 9 and 10. — Bell , Monograph 

 of the Leucosiidae , pag. 299. 



The Museum collection includes: 



1^ A series of 25 very beautiful specimens {'o (^ •, 19 9)i 

 collected on the shores of Atjeh (Sumatra), lately presented 

 by Mr. Walraven. 



2^ A female specimen from the island of Amboina. 



The description of this species being rather incomplete , I 

 may be allowed to give a new one: 



Carapace orbicular , as long as broad (when epistome in- 

 cluded), depressed , minutely punctate on its whole surface , 

 with a continuous beaded line defining the lateral and 

 posterior margins ; lateral and posterior regions of the ca- 

 rapace (branchial , cardiacal and intestinal regions) covered 

 with numerous small white granules , frontal and proto- 

 gastrical regions entirely smooth and polished: in some 

 Atjeh specimens the posterior parts of the protogastrical 

 regions are also covered with a few small granules and 

 in the female Amboina specimen the whole surface of the 

 carapace is granulous , except the frontal region. Frontal 

 margin emarginated , with a small median tooth and rounded 

 lateral lobes , external orbital angles rounded. Epistome 

 extending far beyond the front : region between the an- 

 tero-lateral margins and the lateral granulated margin of 

 the epistome also somewhat granular. First joint of the 

 sternum , which borders posteriorly the buccal cavity, being 

 smooth in the male with a minutely granulated anterior 

 margin , but entirely granulated in the female ; anterior 

 external angle of the second joint , which lies between the 

 insertion of the chelipedes , covered with small white gra- 

 nules. In the male the anterior margins of the other joints 

 and the lateral margins of the cavity that includes the 

 abdomen are also granular. In the female the whole ster- 

 num as far as visible is granular. External margins of 

 the stalks of the outer foot-jaws granulated in both sexes; 

 palps extraordinarily dilatated , with the external margin 



I^otea from the Leyden Museum, Vol. III. 



