1 4 Illustrations in British Zoology : — 



Scorpidnides. 



Chelifer Geoff, musaeorum Leach. Broad, sub-pentagonal, pale 

 brown, imbricated, depressed, legs pale reddish brown, 5- 

 jointed. Cheliferous legs, with the first joint minute cy- 

 lindric ; second, large triangular; third, elongate cylindric, 

 truncated obliquely at the extremities ; fourth, clavate ; fifth, 

 pyriform ; all more or less covered with minute hairs : the 

 hinder legs with 2 claws. Beneath, the abdomen has, near 

 its centre, an infundibuliform rhomboid depression. R. T. 

 In Mr. Hyndman's cabinet. — C. parasitica Herm. The 

 hairs on the abdomen of this species are all spatulate with 

 the apex generally trifid; those on other parts, lobated 

 or toothed laterally. Caught in Island Magee, county 

 Antrim, and at present in Mr. Patterson's cabinet, Belfast. 

 Herman's figure is far from correct, especially in the form 

 of the points of the cheliferous legs. R. T. 



DIMEROSO'MATA. 



Vhalangidce. 



Phalangium Linn, bimaculatum Fab. Common. — P. cor- 

 nutum Linn., P. cornutum Linn, male, P. Opilio Linn. 

 fern. Common. — P. annulipes. Two female specimens. 

 — P. pusillum. Not uncommon. — P. armatum. Common. 

 — P. nigripalpe. Rather rare. — P. trispiniferum. P. his- 

 pidum ? Herm., P. spinulosum ? Herm., P. tricuspidum 

 ? Dufour. Very common. — P. longipes. P. longipes ? Herm. 

 Common. — P. rotiindum Latreille. Very common. 

 Woolwich, Sept. 30. 1835. 



Art. IV. Illustrations in British Zoology. By George Johnston, 

 M.D., Fellow of the Royal College of ' Surgeons of Edinburgh. 



CI. Annelides, Ord. Errantes, Fam. Nereis. 

 Genus PSA'MATHZ?. 



Character. — Body scolopendriform : head small : eyes 4, 

 in pairs : tentacula 4, short, frontal : mouth edentulous, the 

 proboscis very short, its aperture encircled with papillae : 

 tentacular cirri 4 pairs, unequal ; feet uniramous, bifid at the 

 apex; the dorsal cirri elongate, jointed, the ventral short: 

 tail with two filaments. 



This genus, which I have named Psamath^, in honour of 

 the daughter of Nereus and Doris, will take rank, as it appears 



