From the Annals and Magazine of Natdeal History, 

 Ser.7, Vol. xvii., May 1906. 



Notes on British Copepoda : Change of Names. 

 By Thomas Scott, LL.D., F.L.S. 



[Plate XI.] 



Genus Phyllopodopstllus *, T. Scott, nov. 

 Syn. Tetragoniceps, T. Scott, in part, (not Tetragoniceps, G. S. Brady). 



Description. — Resembling Tetragoniceps, G. S. Brady, in 

 form. Anterior antenna? about as long as the cephalothoracic 

 segment and composed of nine joints, the second joint bearing 

 a more or less prominent hook-like spine, and the fourth 

 a tolerably elongated sensory filament. Posterior antennse 

 three-jointed ; outer ramus small, uniarticulate. Mandibles 

 small, biting-edge truncate and armed with several small 

 teeth ; palp tolerably large, basal joint with two, apparently 

 uniarticulate, branches, the distal branch being the longer. 

 First maxillipeds five-jointed; first joint large and furnished 

 with a few marginal processes, other joints small. Inner 

 branches of the first four pairs of thoracic legs two -jointed, 

 and the outer three-jointed. In the first pair the inner 

 branch is elongated, and the first joint longer than the entire 

 outer branch, the second joint is short. In the other time 

 pairs the outer branch is elongated, while the inner is very 

 short. The fifth pair are each composed of a large leaf-like 

 plate, and they together completely enclose the ovisac ; each 

 plate is provided with a few setee on the outer and distal 

 margins. The abdomen consists of five segments and has 

 the middle one produced distally on the underside into a 



* (pvXXov, a leaf; nois, a foot; ipvXXos, a flea: from the leaf-like 

 fifth pair of feet. 



