DUTCH BORNEO-EXPEDITION. 79 



long and the anterior and the posterior margins are re- 

 spectively 6^/2 mm. and 7^/4 mm. broad. The immobile 

 finger of the larger chela has a different shape, being 

 higher at the base and the meropodites of the ambulatory legs 

 bear no spine near the distal end of their upper margin. 



Measurements in mm. : 



ti' rt" -/ C' Q 



Greatest width of the cephalothorax. . 41 35^ 34i 40i 'S6^ 



Length „ „ „ 32 27^ 25i. 31 29 



Distance between the outer orbital angles. 24J 22^- 21 24^ 21|- 

 Distance between the tips of the epibran- 



chial teeth 39J- 34 31^ 38^ 34^ 



Distance between the tip of the epibran- 



chial tooth and the external orbital * 



angle 9 7| Q^ 8| 7^ 



Breadth of the free border of the front. 10 9 8J- 10 9 



Distance between the free border of the 



front near its outer angles and the 



epigastric lobes 4i- 4 3i 4 4 



Distance between the frontal margin and 



the posterior boundary of the gastric 



region 20|. 18 161 20 18 



Width of the posterior margin of the 



carapace 18 15^ U^- 18|- 17 



Width of the orbits 6^ 6 5i 6^ 6 



Height „ „ „ 4|. 4 3^ 41. 4 



Distance between the free border of the 



front and the tip of the median tooth 



of the epistome 5 4 4 5 5 



Length of the terminal joint of the ab- 

 domen 6 5^ 5 



Length of the penultimate joint ... 7 6j 5^ 



Breadth of the anterior margin of this 



joint 5 4|. 41 ^ 



Breadth of the posterior margin ... 6 4^ 4 .5 



Horizontal length of the larger hand . 39 27 26 24 § 



„ „ fingers ... 19 J 13 1 13^ 12 ^ 

 Height at the articulation of the lingers. 18 I2y 12^ 

 Length of the meropodites . . ^ 18^ 16^ 15^ 15 



Breadth „ „ „ . . a 6|- 6 5^ 5 bb 



Length of the propodites, in the ■^ '-^ 



middle g Si 10 9|- 9 8 ;S 



Breadth of the propodites, in v 



the middle ^ 4^ 4 3| 3^ 



Length of the dactylopodites . ''° 13^ 8^ 10^ 



Notes from the Leyden JVLusetiiii, Vol. XX!I. 



