2L0 



Highest Coal-measures of Durham. 



A. minima, and A. Phillipsi, says they are the dominant fossils of the 

 Kent Coalfield and occur in countless numbers and at many horizons. 



The remaining animal fossils at Claxheugh require little notice. 

 On a recent visit I was fortunate to collect in the sandy shales above 

 the clay-ironstone bands a small limuloid crustacean, which Dr. H. 

 Woodward has described as a new species of Bellinurus under the 

 name of B. Trechmanni. 1 The specimen is now in the British 

 Museum (Natural History). 



Insect remains were found here many years ago, but no one has 

 since succeeded in finding any more of them. Kirkby records them as 

 Etoblattina Ifantidioides, Groldenb. ; Lithomylacris Kirkby i, H.Woodw.* 



:■:-■■;:■:::- -V >■'•> 



Fig. 3.^Bellimirus Trechmanni, H. Woodw., sp. nov. x 4. Upper Coal- 

 measures : Claxheugh on the Wear, Sunderland. 



Eish-seales are fairly plentiful. Dr. A. Smith Woodward was 

 kind enough to examine those I collected and reports that they are 

 " Well-preserved specimens of the scales of Rhizodopsis sauroides 

 (Williamson)". 



Ostracoda are common but have not been examined in recent times. 

 Kirkby recorded the occurrence here of Beyrichia arcuata, Bean, and 

 another small entomostracan related to Cythere or Cypris. 



Plajh: Remains. 

 Plant remains are rather scarce at Claxheugh, but occur in the 

 ironstone bands. Hoping to obtain some results I kept all the 

 specimens I collected from time to time and have recently sent them 

 to Dr. Kidston, P.R.S., who has very kindly identified them, and has 

 given me the following list of species and the results of his 

 examination of them. 



" Those that are sufficiently good for determination are 

 Neuropteris gigantea, Sternb. 

 Calamites suckowii, Brongt. 

 Lepidodendron simile, Kidston. 

 Lepidophyllum triangulares Zeiller. 

 Sigillaria discophora, Konig sp. 



1 Geol. Mag., Dec. VI, Vol. V, p. 470, 1918. 



2 Geol. Mag., Dec. I, Vol. IV, p. 390, PI. XVII, 1867. 



