D. K. Greger — New Devonian Brachiopod. 



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Art. XXXIV. — A New Devonian Brachiopod Retaining 

 the Original Color Markings • by Darling K. Greger. 



The preservation of the original color markings among fos- 

 sil bracliiopods has been noticed by a number of European 

 writers; Professor E. Deslongchamps mentions obscure mark- 

 ings in Jurassic forms, especially in Acanthothyris spinosa, 

 which species, he thinks, in life assumed a bright red color. 



Explanation of Figures. 



Fig 1. A small pedicle valve retaining color markings. 



Fig. 2. Profile of an adult individual. 



Fig. 3. A small pedicle valve retaining color markings, x 2. 



Fig. 4. Brachial view of a perfect specimen. 



Fig. 5. Brachial view of a small specimen slightly restored. 



Fig. 6. Posterior view of a fragment showing deltidial plates and fora- 

 men. 



Fig. 7. A small pedicle valve retaining color markings. 



Dr. Thomas Davidson in his British Fossil Brachiopoda figures 

 specimens of Dielasma hastata and Terebratula biplicata with 

 radiating bands or stripes of color, which in his opinion were, 

 in life, red and resembling the rayed variety of Baqueus rubel- 

 lus. Professor Kayser records the retention of color mark- 

 ings in a Devonian rhynchonelloid, this being the only other 

 recorded Devonian occurrence. 



