154 Part III. —Fifteenth Annual Report 
(1) Lichomolgus maximus, I. C. Thompson.—Obtained in specimens of 
the common Pecten—Pecten opercularis—trom Loch Gair, off Inveraray, 
and from near the head of the loch (G.), This is not a true Lichomolgus, 
and is only provisionally placed here. 
~~ Pseudanthessius liber (Brady and Robertson).—This species is from 
the same localities as the last (G.). 
__.tDermatomyzon nigripes (Brady and Robertson).—This fine species has 
been obtained in East Loch Tarbert (Calderwood) ; and near the head of 
Upper Loch Fyne (G.). 
Artotrogus orbicularis, Boeck.—A single $ and @ specimen of this 
fine species were taken in material dredged at Tarbert Bank, Loch Fyne, 
in 20 to 25 fathoms (G.). 
|Bradypontius magniceps (G. 8. Brady).—Has been recorded for East 
Loch Tarbert (Calderwood) ; it has also been obtained near the head of 
Upper Loch Fyne among trawl refuse (G.). 
Bradypontius Normant (B. and R.) (Pl. IL. figs: 1 and 2; Pl. III. 
figs. 1-11). 
Description of the female.—Length of the specimen figured, 1‘5 mm. 
(4; of aninch). In general appearance somewhat like Bradypontius mag- 
niceps, G. 8. Brady, but the abdomen is more elongate and slender (fig. 1, 
Pl. If.).. Antennules short and nine-jointed ; the first joint is of moderate 
length, the third is fully three times the length of the preceding joint ; 
the next five joints are small, while the last is nearly twice the size of the 
penultimate joint (fig. 3, Pl. III.). The formula shows approximately the 
proportionate lengths of the joints. 
Proportionate lengths of the joints, . 13 OS AT Ob Sm oles 
Number of the joints, . 5 : 1 Op a a S16 ee cee 
The antenne are somewhat like those of Asterocheres Boeckt, G. S.-Brady ; 
the secondary branch is small and uniarticulate, and bears a single apical 
seta (fig. 5, Pl. I1I.). The mandibles are elongate and very slender (fig. 6, 
Pl. III.). The maxille consist of two small branches, as shown by the 
figure (fig. 7, Pl. III.). Both foot-jaws are robust and strongly clawed 
(figs. 8 and 9, Pl. III.). The swimming feet, which are robust, have the 
inner margins of both branches furnished with numerous plumose sete 
(figs. 1 and 2, Pl. IT.). The secondary joint of the fifth pair is small and 
sub-quadrangular, and furnished with three set; a single seta also 
springs from the basal joint (fig. 10, Pl. III.). The abdomen is composed 
of four segments—genital segment larger than the others 
Description of the male.-—The male differs slightly in its general 
outline from the female ; the abdomen is five-jointed, and the genital seg- 
ment is rather larger than the others. The antennules are ten-jointed ; the 
first six are nearly as in the female; the seventh joint is about equal to 
the combined lengths of the three preceding joints ; the eighth, ninth, and 
last are each rather smaller than the one that immediately precedes it ; 
the antenne are hinged and adapted for grasping (fig. 4, Pl. III.). The 
other appendages resemble those of the female. 
+ See Dr Giesbrecht on the family Ascomyzontidw, Thorell. (Zoologischen 
Anzeiger, Nos. 521, 522, 1897.) 
