58 Proceedings of the Royal Irish AcademiJ. 



into a point ; eyes larger than in last 2 species, not greatly exceeding 

 1 diameter apart, eye I. scarcely more than \ diameter from front ; chelicerae 

 moderately robust (the two large teeth of fixed finger less uniform and not 

 so close together as in last species) ; palps (fig. 21) femur with 5 l^ristles in 

 anterio-dorsal row, hand without dorsal depression (somewhat narrower more 

 pai'allel-sided and with anterior basal elbow less pronounced than in last 

 species, the fingers in dorsal view perceptibly very slightly curved), fingers 

 much longer than hand (about 1'9), teeth of fixed finger well-separated large 

 triangular slightly inclined backwards, those of movable finger less separated 

 much lower. L. 1-8. 



Among dead leaves, under stones, etc., in sandy, gravelly, and chalky districts in the south-east ; 

 plentiful on the sands and sandstones of the Weald ; New Forest and elsewhere in Hampshire; 

 also in Surrey, Berkshire, Dorsetshire ; but not recorded from north of the Thames. 



(33, 42, 75, 79, S7, 90.) 



C. tetrachelatus (Preys.). 



Scorpio tetracJielaiusTTejs. 1790 (4). C. trombidioides (La,tr.) L. Koch 1873 

 (24). C. tctrachelatvs (Preys.) Simon 1879 (27). 



Palps and chehcerae horny faintly or distinctly reddish, cephalothorax 

 and abdominal tergites horny olive-horny or deep olive. Cephalothorax 

 a little wider in front than behind, with 18 full-sized liristles 2 on 

 posterior margin, anterior margin towards middle sub-regularly serrated 

 not produced into a point ; eyes large about 1 diameter apart ; chelicerae 

 moderately robust ; palps (fig. 22) femur with 6 bristles in anterio-dorsal 

 I'ow, hand long with distal third dorsally depressed to plane of dorsum of 

 fixed finger, fingers longer than hand (about I'o), teeth of fixed finger 

 widely separated large triangular erect, those of movable finger similar in 

 character and as widely separated. L. 1'5. 



Under stones, etc., from sea-level to 1600 ft. ; widely distributed in Britain and Ireland ; 

 abundant near tlie sea and some distance inland ; elsewhere less coniraon and generally confined to 

 old gardens, etc. 



(21-2, 42, 52, 54, 71, 84-5, 87, 89, 92-3.) 



List of Books and Papers referred to in the Text. 



1. Hooke, E. — Micrographia : or some Physiological Descriptions of minute 



Bodies made by Magnifying Glasses. London, 1665. 



2. Linnaeus, C. — Systema Naturae, ed. 10, i. Holmiae, 1758. 



3. CtEOFFKOY, E. L. — Histoire abregee des Insectes qui se trouvent aux 



environs de Paris, ii. Paris, 1762. 



4. Peeysslek, J. D. — Verzeichniss bohmischer Insekten. Prag, 1790. 



5. Fabricius, J. C. — Entomologia Systematica emendata et aucta, ii. Hafniae, 



1793. 



