214 



POST-TERTIARY ENTOMOSTRACA. 



2. Paradoxostoma abbeeviatum, G. 0. Sars. 



1865. Paradoxostoma abbreviatum, G. O. Sars. Overs. Norg. mar. Ostrac. 



p. 94. 



1868. — — Brady. Monog. Rec. Brit. Ostrac, p. 458, 



pi. XXXV, figs. 22 — 25. 



Carapace of the female, as seen from the side, much shorter and higher than the 

 preceding ; greatest height behind the middle and equal to about two thirds of the 

 length ; extremities rounded ; anterior narrow ; posterior excessively broad ; superior 

 margin boldly arched ; inferior deeply sinuated in front, very convex behind. Outline, 

 as seen from above, compressed, ovate, about three times as long as broad. Shell of the 

 male and i/oung females lower ; inferior margin less convex behind. 

 Length, ^th of an inch. 



Distribution. Recent. — Great Britain, Ireland, Norway. 



Fossil. — Scotland : Loch Gilp, Oban. South Wales : Cardiff. 



3. Paradoxostoma (?) pyriforme, nov. sp. Woodcut, figs. 1 — 3. 



Carapace, as seen from the side, broadly pear-shaped, narrowed at the anterior and 

 broadly rounded at the posterior extremity ; superior and inferior margins nearly alike, 

 gently sinuated in front and boldly convex at and behind the middle ; greatest height 



Fig. 1. Fig. 2. Fig. 3. 



Side view. Edge view. End view. 



equal to more than two thirds of the length and situated near the middle ; seen from 

 above the outline is subovate, suddenly tapered and acuminate behind, more gently 

 tapering and subacuminate in front, greatest width a little behind the middle and equal 



