Land, Fresh- Water, and Marine Crustacea. 293 



Genus (36) Paradoxo stoma, Fischer, 1851. 



117. Paradoxostoma variahile (Baird). 



1835. Gythere variabilis, Baird, Trans. Berw. Nat. Club, vol. i. 

 p. 98, pi. iii. fig. 7 a, h. 



Hah. — Largo Bay, and generally throughout the estuary, 

 especially in the littoral and laminarian zones. 



118. Paradoxostoma ensiforme, G. S. Brady. 



1868. Paradoxostoma ensiforme, Brady, Mon. rec. Brit. Ostrac, 

 p. 460, j)l. XXXV. figs. 8-11. 



Hob. — Dredged off the west side of Inchkeith ; off 

 Musselburgh and elsewhere. 



119. Paradoxostoma ahhreviatum, G. 0. Sars. 



1865. Paradoxostoma ahhreviatum^ G. 0. Sars, Oversigt af Norges 

 marine Ostracoder, p. 94. 



Hah. — Oft* Musselburgh; not very common. Easily 

 distinguished from its being remarkably short in comparison 

 to the height; there is also a perceptible difference in the 

 contour of the shell when seen from the side. 



120. Paradoxostoma ohliquuin, G. 0. Sars. 



1865. Paradoxostoma ohliquum, G. 0. Sars, I. c, p. 97. 



Hah. — Off Fidra, Musselburgh, and Burntisland; moder- 

 ately rare. This species is more tumid as viewed from 

 above when compared with most of the other British species. 



121. Paradoxostoma pulchellum, G. 0. Sars. 



1865. Paradoxostoma pulchellum, G. 0. Sars, I. c. , p. 95. 



Hah. — Dredged off Musselburgh ; moderately rare. 



122. Paradoxostoma hihernicum, G. S. Brady. 



1868. Paradoxostoma hihernicum, Brady, I. c, p. 460, pi. xxxv. 

 figs. 35, 36 ; pi. xl. fig. 7. 



Hah. — Largo Bay ; rather rare. 



123. Paradoxostoma arciiatum, G. S. Brady. 



1868. Paradoxostoma arcuatum, Brady, I. c. , p. 461, pi. xxxv. 

 fig. 37. 



Hah. — Granton (Brady and Eobertson). Off St Monans, 

 Largo Bay, and vicinity of Inchkeith ; rare. 



