196 



RAMBLES AND REVERIES. 



place in my regard that cmmpled eyeless Trinucleus 

 of the Salopian bank of Caradoc 

 shale. 



Nowhere are trilobites more abun- 

 dant in this country than in the 

 well-known Wenlock limestone near 

 Dudley, although it is not easy to 

 chip out a perfect specimen. Here 

 are found the Calymene Blumenbachii, 



F , IG - ?'T?i* " so long 



clem fimbnatit*. , 



known as 



the "Dudley locust," the 

 Phacops caudatus 

 (Fig. 16), and scores of 

 other species. But there 

 are many other places 

 where numerous species 

 have been obtained. The 

 Menevian beds of St. 

 David's have yielded 

 large quantities of tri- 

 lobites, amongst them 

 being the magnificent 

 Paradoxides, which is 

 sometimes a couple of feet 

 in length. In the more 

 northerly districts of 

 Wales, as, for example, 

 at Port Madoc, these 



fossils are abundant, FJG m ._ Paradoxidet Teggini . 

 and the Olenus literally 

 crowds the lower Lingula flags at Maentrog. The 



