On the PaJceozoic Bivalved Entomostraca. 59 



10. Maxilla, X 380. 11. Anterior foot-jaw. x 380. 12. Poste- 

 rior foot-jaw, X 380. 13. Foot of first pair of swimiuing-feet, 

 X 2o3. 14. Foot of fourth pair, X 253. 15. Foot of fifth pair, 

 X 330. 16. Abdomen and caudal stylets, dorsal view, x 126. 



Pseudowesttooodia major, sp. n. 



Fig. 17. Female, seen from the side, x 64. 18. Anterior antenna, X 253. 

 19. Foot of first pair of swimming-feet, x 253. 20. Foot of 

 fifth pair, X 190. 



Huntemannia jadensis, S. A. Poppe. 



Ft(/. 21. Anterior antenna, female, X 253. 22. Foot of first pair of 

 swimming-feet, X 253. 



VI 11. — Notes on the Palwozoic Bivalved Entomostraca. — 

 No. XXXI.* Some Devonian Species. By Pi-ofessor T. 

 KuPERT Jones, F.R.S., F.G.S., &c. 



[Plate VII.] 



Contents. 



I. Inti'oduction. 

 II. Description of the Species. 



1. AparcMtes reticulatus, sp. n., fig. 4. 



2. Primitia mundula, var. sacctdus, nov., fig. 7. 



3. Primitia nitida (Roemer), tigs. 1 and 2. 



4. Primitia Iccvigata, sp. n., tig. 3. 



6. Fntomis serratostriata (Saudberger), tig. 6. 



6. Barychilina (?) semen, sp. n., tig. 5. 



7. Beyricliia strictisulcata, sp. u., tig. 11. 



8. Bollia vaiians, sp. n., tigs. 8-10. 



9. Drepanella serotina, sp. n., tig. 12. 

 10. Strepula (?) annuluta, sp. u., tig. 13. 



I. Introduction. 



Ill the ' Jahrbiicher des Nassauischen Vereins fiir Natur- 

 kuiide,' Jahrgang xlii. 1889, Dr. Fridolin von ISandberger, 

 treating of tlie lower division of tlie Devonian System in 

 Nassau, enumerated certain fossil Entomostraca from the 

 Lower Spirifer-Sandstone of Offdillen (or Offdilhi), in the 

 north part ot the Dillenburg District, at pages 33, 34, 37, 38, 

 and 95, namely : — 



* No. XXX. was published in the Ann. & Mag. Nat. Hist, ser 6 

 vol. i.\. 1892, pp. 302-307. ' 



