C. LAPW0RTH ON THE MOFFAT SERIES. 



305 



and trails of Annelida are exceedingly abundant upon one horizon 

 S 8keS are Y p*f> nighly pyritous, and, as a rule, finely 

 £X£^^ Where -^red, they contain 



Fossils from the Black Bands of Berrybush Burn. 



Coenograptus gracilis {Hall) 



surcularis (Hall). 



— — explanatus (Lapw.). 

 Didyniograptus superstes (Lapw.). 

 — — serratulus (Hall). 

 Dicellograptus clivaricatus (Hall). 



• sextans (Hall). 



~- — Forchhammeri (Gein.). 

 Dicranograptus formosus (Hopk.). 



ziczac (Lapw.). 



Nicholsoni (Hopk.). 



— — ramosus (Hall). 

 Diplograptus tricornis (Carr.). 



Diplograptus foliaceus (Murch.). 



angustifolius (Hall). 



dentatus (Brongn.). 



bimucronatus (Nich.). 



Glossograptus Hincksi (Hopk.). 

 Clathrograptus cuneiformis (Lapw.). 

 Climacograptus bicornis (Hall). 



caslatus (Lapw. ). 



Scharenbergi (Lapw.). 



perexcavatus (Lapw.). 



Thamnograptus typus (Hall). 

 Diplograptus Whitfieldi (Hall). 



Many of these are m fragments, and few are in a good state of 

 preservation. The most prolific band is so aiuminiferous that it is 

 almost impossible to preserve its fossils. In this respect it agrees 

 precisely with the corresponding band of Douglas Burn, Belcraig, &c. 



t™^ most intelligible section is that given in fig 19 

 p. 286. The lowest beds of this age visible on the south side of 



^^^1 Ge i )andS ° f b ] aCk 8kt ^ Shal6s ' re P lete ™* badly 

 pieserved fossi s, and associated with white or very light-coloured 



Fossils from the Black Shales of Black Linn. 



Coenograptus gracilis (Hall). 



surcularis (Hall). 



— — explanatus (Lapw.). 

 Didymograptus superstes (Lapw.). 



serratulus (Hall). 



Dicellograptus divaricatus (Hall). 



Forchhammeri ( Geinitz). 



sextans (Hall). 



Dicranograptus formosus (Hopk.). 



ziczac (Lapw.). 



ramosus (Hall). 



Nicholsoni (Hopk.). 



Diplograptus tricornis (Carr.). 



foliaceus (Murch!). 



augustifolius (Hall). 



Whitfieldi (Hall). 



bimucronatus (Nich.). 



Glossograptus Hincksi (Hopk.). 

 Clathrograptus cuneiformis (Lapw.). 

 Climacograptus bicornis (Hall). 



Scharenbergi (Lapw.). 



caslatus (Lapw.). 



perexcavatus (Lapw.), 



Thamnograptus typus (Hall). 



What appear to be the same beds are seen on the opposite side of 

 the mam stream, at the foot of the small burn which enters from 

 %%»Z fi ^.^f" obtainabla in abundance in the small 

 cliffs on the right bank of the main stream, and are, many of them, 

 admirably preserved All those given in the forgoing list (with the 

 exception of the Didymograpti) have been here collected and, in 

 addition the peculiar forms of sponges found at Dobb's Linn. To 

 the north of these black shales a long section of very light-coloured 



