of the Fishery Board for Scotland. 



267 



Pseudoeyclopia crassicornis^ T. Scott, was dredged in the vicinity of 

 Otter Spit, Upper Loch Fyne. This species, which is moderately 

 frequent in some parts of the Firth of Forth, is apparently less common 

 in the Clyde. 



Pseudoeyclopia caudata, T. Scott, is smaller than the last species, and 

 is distinguished at first sight by its longer caudal stylets ; it was dredged 

 at Otter Spit with the other. 



Ectinosoma erythropSy G. S. Brady, was obtained in the vicinity of 

 Otter Spit. Besides differing in structural details from its congeners, it 

 is furnished with a lateral red eye-spot, to which it owes its name. The 

 eye-spot is situated on the lateral aspect of the cephalic segment, and 

 near the anterior margin. (A second species of Ectinosoma with lateral 

 red eye-spots has been described.) 



Jonesiella fiisiformis, G. S. Brady. A number of specimens of this 

 species were dredged at Tarbert Bank in 1896, but not satisfactorily 

 identified till later. Jonesiella fusiformis is rather more slender than 

 Jonesiella spinulosa, and with less spinous appendages ; the fifth thoracic 

 feet are also dissimilar. 



Pseudotachidius coronatuSf gen. et sp. nov. (PI. XIIL, figs. 12-26, 

 and PI. XV., figs. 1-4). 



Description of the female. — Length about -Gmm. {-^-^ of an inch). 

 Seen from above, the thorax (fig. 22, PI. XIIL) is moderately broad and 

 sub-cylindrical, the breadth being equal to about three-fifths of the length; 

 abdomen distinctly separate from the thorax, and consisting of five 

 segments ; caudal stylets very short. The rostrum is produced, and 

 moderately broad and rounded at the apex, and furnished with two 

 minute apical setae. The antennules (fig. 23, PI. XIIL) are six -jointed, 

 very short and stout, and strongly setiferous ; the first two joints are sub- 

 equal, and much larger than any of the others. The formula shows the 

 approximate proportional lengths of the joints — 



Proportional lengths of the joints 11*12*6*4'4*5 

 Numbers of the joints, 1 ' 2 • 3 * 4 • 5 • 6 



The antennae (fig. 24, PI. XIIL) are stout and setiferous ; the primary 

 branches are two-jointed, but the secondary branches, which are 

 articulated to the end of the first joint of the primary, are three-jointed, 

 and reach somewhat beyond the extremity of the branches to which they 

 are appended ; the middle joint of the secondary branches is small. The 

 mandibles (fig. 25, PI. XIIL) are elongate, moderately stout, and have the 

 obliquely truncate apex armed with a series of irregular but moderately 

 stout teeth ; the basal joint of the palp is somewhat dilated, and carries 

 two small setiferous branches ; the inferior branch is composed of two 

 subequal joints, but the superior branch is one-jointed, and slightly longer 

 and stouter than the other branch ; the branches are submarginal on the 

 basal joint, which is also furnished with four moderately stout and 

 plumose apical seta). The maxillae (fig. 26, PI. XIIL) are small but 

 moderately robust ; the biting part, which is situated on the lateral aspect 

 of the basal joint, is armed with a few short, stout setae and elongate, 

 narrow, bifid teeth ; immediately posterior to the biting part is a bilobed 

 marginal process, the lobes of which are unequal, the smaller lobe being 



