74 



Body of a dark cinereous colour, variegated with a sooty brown, or almost 

 black pigment. 



Length of .-idult female 0.35 mm. 



//' //"'//>. -There cannot in my opinion lie any doulit that this is the 

 true AmymoVH >////"r/V// of Clans, and the form recorded hy Hoeck under this 

 name is also unquestionably the same specie. Mr. Scott, who on the authority 

 of Prof. Brady helie\ed the Anii/iiiniir fulnilti of Norman to lie the ( 'lausian spe- 

 cies, descrihcd the present form as a new species under the name of J. )ii<irn*. 

 It is easily recogni/ed from any of the species of 7'rr/f /.-/ * hy the form and 

 armature of the ventral prominence of the genital segment, as also by the very 

 dark colour of the body. 



Occurrence. -This form is rather common in the upper part of the Chris- 

 tiania Fjord, near the shore among al-a'. and also occurs occasionally off the 

 \\est coast of Norway. In spite of its small size, it is easily observable on ac- 

 cuiint of the very dark colour of the body, the animals, when alive, looking like 

 rapidly moving, black granules. 



Distribution. Scottish coast (Scott), Heligoland (Claus), coast of Krance 

 1 1 'aim t. Mediterranean (Claus), Ceylon (A. Scott). 



Fam. 8. Porcellidiidse. 



( 'li'ii-iirl<'i-x. Body much depressed, shield-like, with some of the segments 

 imperfectly defined, and with the urosome short and flattened. Inarticulate. An- 

 terior antenna 1 short, and composed only of a limited number of articulations. 

 P'l-terior antenna- .'l-ai'ticulate, with a well-developed outer raimis. ( )ral parts on 

 the whole of rather peculiar structure, mandibular palp \er\ largeh de\eloped: 

 posterior maxillipeda imperfectly siihchelilbrm. Kirst (>air of legs with both rami 

 flattened and \er\ dissimilar, the' inner one distinctly prehensile. Nataton legs 

 normal. \ <;(<\ paii' of le-s ver\ differeiit in the two sexes. Sexual difference on 

 the whole very much pronounced. A single flattened ovisac present in female. 



/>'< ,IK/,/,-<. This family is as yet only represented h\ a single ^eiius. vi/.. 

 /',,rr//nl/iiiii Claus. which in several respects deviates considerably from the typical 

 Harpacticoida. In the short depressed form of the body, it somewhat recalls the 



