Eurypterus maria nov. 



Page 305 

 See plates 1 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 it segments and the slender form 

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

 length of the specimen is 63 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. 



