DEXAMINE. 177 



pendage. Telson simple. First jaw-foot simple ; second 

 subcheliform. 



Iphimedia obesa, Bathke. (Plate X. fig. 6.) — Head 

 produced into a beak ; upper antenna as long as the lower ; 

 the dorsal ridge of the segments, from the seventh to the 

 tenth, with two parallel spines. 



Tenby (Mr. Webster); Macduff (Mr. Gregor); Ply- 

 mouth (Mr. Spence Bate). 



Gen. 75. ACANTHONOTUS, Owen. 



First jaw-foot subcheliform. Telson divided; mandible 

 palpigerous. 



Acanthonotus testudo. — Head armed with a beak; 

 the eighth to the eleventh segments produced behind into a 

 strong spine; the hind margins also denticulated on the 

 sides; anterior coxae produced each to a point, the fifth 

 directed posteriorly. 



Banff (Mr. Edwards) ; Macduff (Mr. Gregor). 



Gen. 76. DEXAMINE, Leach. 



Pour front legs nearly equal, with one finger, armed with 

 a compressed, filiform, subovate hand. Antennae with the 



N 



