303 On new Caridafrom the West Coast of Ireland. 



Below, the rostrum bears tliirteen teeth similar to those on 

 the upper margiu ; the two posterior teeth arc not so closely 

 approximated to each other as are the rest. 



The character of the rostral dentition alone easily distin- 

 guishes this form from L. Paulsoni, the only known species 

 of the genus. 



The branchiostegal spine is flanked by a short carina, 

 "u-hich is not half the length of the carapace. 



The abdominal somites are all dorsally rounded; the third 

 is not posteriorly toothed. 



The telson is hardly so long as the uropods and bears four 

 pairs of lateral spines ; the apex is broadly rounded and 

 furnished with four spines, the central pair being the longer. 



The eyes appear to be somewhat larger than in L. Puidsoni. 

 The peduncle of the first antennae does not quite reach the 

 tip of the antennal scale, and the outer flagellura is about the 

 same length as the peduncle. The antennal scale is three 

 times as long as broad, with the distal part of its outer edge 

 armed with about seventeen sharp teeth. 



Tlie epipod of the first maxillipede is smaller than is the 

 case in L. Pauhoni, and the outer lobe of the second maxilla 

 has a slightly different outline to that which Stebbing has 

 figured for the type species of the genus ; the other oral 

 ajipendages are practically the same. 



The first pair of pereiopods bear small cheljB, while the 

 second are asymmetrical and have the carpus divided into 

 lour articulations. Of this second pair, the chela on one side 

 is small, although larger than that of the first pair, while on 

 the other it is remarkably long and furnished with a peculiar 

 flattened dactylus. Both chelse are of almost precisely the 

 same shape as in L. Paulsoni. In the type specimen the 

 large chela is on the left side, while in the second specimen 

 it is on the right. 



The two specimens each measure about 21 mm. ; they 

 were caught in a tow-net fastened to a beam-trawi, in 500 

 fathoms, outside the " Porcupine Bank/' hit. 53'^ 07' N., 

 long. 14° 50' W. The bottom was stony, and large numbers 

 of Alcyonaiians and Lopliohelia were brought up in the 

 trawl. 



I hope to publish shortly, in the ' Report of the Sea and 

 Inland Fisheries of Ireland/ a full account of these two 

 species, with figures. 



