MEASURES OF THE TYNE VALLEY 523 



EXPLANATION OF PLATE XTII 



Fig. I. x\nthracosiro latipes, sp. n. Coal Measures, Crawcrook, near 

 Ryton-on-Tyne. Outline, natural size. 



,, 2. The same. Three times natural size. 



,, 3. The same. Outline, side view. Twice natural size. 



,, 4. The same. Restored outline of body, ventral aspect. Twice 

 natural size. 



,, 5. Anthracosiro woodwardi, Pocock. Dorsal aspect, if times 

 natural size. Reduced and slightly simplified from Pocock's 

 figure. 



,, 6. Anthracomartus palatinus, Ammon. Outline, dorsal aspect ; 

 the details in dotted lines belong to the ventral side. Twice 

 natural size. Copied from Ammon, with modifications. 



,, 7. Anthracosiro latipes. Detail from cephalothorax. 



,, 8. The same. Suggested restoration of proximal joints of legs. 



,, 9. The same. Diagram of posterior abdominal segments ; 

 St sternite, tg tergite. 



,, 10. Anthracomartus voelkelianus, Karsch. Diagram of posterior 

 abdominal segments ; a dorsal, b ventral aspect. Copied 

 from Haase, with lettering after Pocock. 



