Eurypterus maria nov. 



Page 30s 

 See plates i and 3 



1 A specimen 5 mm in length, with head and seven segments. 



2 This individual is the most nearly entire of any example of this 



species observed which approaches the features of maturity. 

 It carries head and at least 1 1 segments and the slender form 

 of the body at this stage is specially noteworthy. The actual 

 length of the specimen is 6^ mm. 

 3' A head with neck segment attached and with eyes very close 

 to the antelateral margin. The natural size outline in this 

 and the following figures is at the right. 

 4-7 Head shields of various immature phases with eyes well 

 developed but still holding an anterior and intramarginal 

 position. 



