TI1K MER08TOMATA. 





vided with toothed basal joints, are attached to the sternal 

 surface of the shield, and the mouth is covered, behind tli-m 

 l.v :i large oval plate which appears to represent a ., 

 stmna (Fig. 59, B, g). Some of the untrrior limbs :, r , 

 quently chelate (Ptorygotut) ; the terminal joints of the most 



CVA. 



FIG. ffo.Eunmt*rm remines (after Nie&zkowpki). 1 .-5. do-sal aspect. B, ventral 

 aepect. CtJi. tlie cenhalo-thoracic shield bearing a. the- eyip. and 6, c, d, #,/, the 

 locomotive limhs; T, tclnon ; g, the metastoina; h, the eternal plates of the an- 

 terior free somites. 



posterior pair aiv o-onerally expanded and paddle-like. Th-- 

 integument often presents a peculiar sculpture, simulating 

 minuto scales. The sternal surface of one or more of tlu 

 anterior free somites is occupied by a broad plate, with a 

 median lobe, and two laterally-expanded side-lobes (Fig. 59, 



1 " Der Enrypteru* remipes, aua den obersilurisohen Schichten der Imtel 

 Oesel." 1859. 



