CYNTHIA FLEMINGII. 379 



STOMAPODA. MYSIDJE. 



GENUS CYNTHIA. J. V. THOMPSON. 



Generic character. " Subabdominal fins composed of two joints, 

 four last fins with the terminal plume double, with an opake bifur- 

 cate, and convolute organ rising between each." 



Cynthia Flemingii. H. Goodsir. 



Specijk Character. " Inferior antemial scale almost twice as long as the pedun- 

 cle. A thick fringe of strong hairs bordering its edge. Rostrum slender and 

 finely pointed. Volute organ between the plumose setae of the Subabdominal tins 

 minute ; edges of the middle plate of the tail spined. 



" Long, eight lines. Hab. Frith of Forth. 



" Description. The whole body of an opake straw- 

 colour, with the reticulated portions of the eyes black. 

 Superior antennce with the peduncle three-jointed, the two 

 cetaceous portions arising from the second joint of the 

 peduncle, the last joint ovate, surrounded with a thick 

 fringe of hairs ; these hairs are bent downwards at their 

 extremities, so as to form a concavity on the lower surface. 

 The peduncle is about twice the length of the eyes. The 

 peduncle of the inferior antennae extends to the origin of 

 the setaceous portion of the superior antennas ; the two 

 last joints are slender and clavate. A long, slender, and 



