43G ME. G. S. BEADY ON 



Genus DELAVALIA, Brady. 



1. Delavalia palusteis, Brady. 



D. palustris, Brady, Nat. Hist. Trans. N. and D., Vol. IV., 

 p. 134, PL V., figs. 10-15. 



In pools of brackish water at the side of the Seaton Burn, 

 above Seaton Sluice. 



Genus CANTHOCAMPTUS, Westwood. 

 1. Canthocamptus imus, nov. sp. PI. XIX., figs. 1-5. 



Animal slender, sublinear. Superior antenna? of the female 

 eight -jointed, the fourth, seventh, and eighth joints bearing 

 several long setaa, the second and third each three of moderate 

 length, the last joint having also five or six smaller marginal 

 setae arranged in a pectinate series ; rostrum long and slender, 

 curvate. Lower foot-jaw simple, chelate, inner margin of hand 

 bearing in the middle one seta of moderate length. First joint of 

 inner branch of first swimming foot equal in length to the entire 

 outer branch, second joint very short, third about half as long 

 as first, bearing three terminal setaa, the middle one being very 

 long and minutely pectinate at the extremity. Outer branch of 

 fifth pair oblong, having two long apical setae, three shorter ones 

 on outer and one on inner margin ; inner branch ciliate on outer, 

 and armed with five long setas, the last of which is excessively 

 slender, on inner margin. Ovisac single, curvate, containing 

 but few (six to nine) ova, ranged in a single plane, and very 

 large in proportion to the size of the animal. Length, aVth of 

 an inch. 



Hah.— About ten miles off Seaham Harbour, in a depth of 

 thirty fathoms on a muddy bottom : a few specimens only taken. 



Genus LAOPHONTE, Philippi. 



1. LAOPHONTE SIMILIS ? (Clam). 



Cleta similis, Cls., Die Copepoden Fauna von Nizza, p. 23, PL 

 V., figs. 13-16. 



