116 AMI'IIirODA NORMAMA. 



upon tlie carpus, ovidcjitly forms a strong prehensile organ. Tliird 

 pair of pt'reioi)o(la liaving the basos quadrate, posteriorly crenulato, 

 a cilium springing from each depression ; meros posteriorly and 

 chstally produced, fringed Avith long plumose ciHa ; cai-pus broad, 

 round, furnished with two or throe rows of short stout spines and 

 a few long plumose ciha ; dactylos eultriform, anterior margin 

 slightly serrated near the point. Posterior paii' of pereiopoda 

 having the basos roimdcd posteriorly ; carpus furnished anteriorly 

 with short spines ; propodos produced at the distal extremity, 

 and tipped with a long, straight, obtuse-pointed spine ; two similar 

 spines upon the corresponding anterior margin ; a bunch of 

 spines also occur near the centre of the anterior margin ; dac- 

 tjdos crooked, having three small tubercles upon the anterior 

 margin. Antepenultimate pair of pleopoda haAing the rami short, 

 unequal, naked, styliform : penultimate pair having the rami 

 equal, short, styliform, naked : ultimate pair long ; rami subequal, 

 lanceolate, fringed A^dtli long plumose cilia ; outer branch having 

 an articulation near the apex. Telson subapically furnished with 

 a short stout spine and several fine hairs. 

 Length -j^ths of an inch. 



Hah. Banff (J/r. Edward and Mr. Gregor). By the latter it was 

 taken from the stomach of a Haddock caught in about 30 fathoms. To 

 these two gentlemen, together with my much-valued correspondent, 

 the llev. G. Gordon, I am largely indebted for Crustacea from the 

 neighbom'hood of the Moray Frith, which fomi so considerable an 

 item among the North British forms. Shetland {Mr. G. Barley). 



3. Urothoe brevicornis, n. s. (Plate XX. fig. 1.) B.M. 



Eyes small, round. Superior antennce having the peduncle as long 

 as the inferior antennte ; flagellum five-jointed ; seeondaiy ap- 

 pendage two-jointed. Inferior antennae like those of U. marhw?t. 

 First pair of gnathopoda small, slender ; cai-pus not produced 

 inferiorly ; propodos shorter than the carpus, tapering ; palm not 

 defined, ciliated ; dactylos slightly curved. Second paii' of gnatho- 

 poda having the carpus dilated ; inferior margin fringed with cilia, 

 and excavated anteriorly ; propodos oblong-ovate ; palm scarcely 

 defined, ciliated ; dactylos slightly ciu'ved. Fii-st and second pairs 

 of pereiopoda uniform ; one or two long spines on carpus, and one 

 or two on propodos ; propodos not dilate ; dactylos straight. Third 

 pair of pereiopoda, having the basos triangulate ; meros, carpus, 

 and propodos furnished with rows of short stout spines ; distal 

 extremity of the carpus fringed with long plumose cilia ; dactylos 

 long, straight, eultriform, imperfectly serrated upon the anterior 



