96 



CARCINOLOQICAL STUDIES. 



29. S e s ar ma trapezoidea Guérin. 



Confer: de Man, in: Zoolog. Jahrbücher, herausgeg. von J. W. 

 Spengel, Bd. II, 1887, p. 678; — id. Bd. IV, 1889, p. 426—427, 

 PI. IX, fig. 7 and PI. X, fig. 8. 



The collection contains one male specimen and an ova- 

 bearing female from the Pacific Ocean , and two other 

 females from Amboina, of which the smaller is also pro- 

 vided with eggs. These specimens present the following 

 dimensions : 



Pacific Ocean. 



cf 9 



Amboina. 



9 9 



mm. 



25 



28V2 

 29V2 

 14 



11 



U 



7^/4 



Distance between the extra-orbital 



teeth ... 



Breadth of the cephalothorax 



above the third pair of legs . 32 

 Length of the carapace, in the 



middle line 



Breadth of the front at its supe- 

 rior margin ....... 



Breadth of the posterior margin 



of the cephalothorax .... 

 Horizontal length of the hand . 



» » » » fingers . 1 1 /2 



Length of the raeropodites of the 



penultimate pair of legs. 

 Length of the propodites of the 



penultimate pair of legs. 

 Length of the dactylopodites of the 



penultimate pair of legs. 

 Length of the meropodites of the 



last pair of legs 19 



Length of the propodites of the 



last pair of legs 13 



Length of the dactylopodites of 



the last pair of legs .... 12 



.Notes irom tlie I-ieyden Museum , Vol. XJI. 



mm. 



24V3 



30' 



13 



10' 

 23 



26 



17 V, 

 13 



mm. 



18 



23 



22 



9 



9'l4 

 9^2 



18 

 13 



9 

 13V4 



9V2 



mm. 

 01 1 / 



25V2 



11' 



20 

 14'/, 



IOV2 



15V2 

 11 



9 



