OSTKACOOA. 119 



DARWINELLA, Brady and Kobertson, 1870. 



ri)h/chc/es, Brady and Robertson, 1870, Ann. & Mag. Nat. Hist. vol. vi. p. 25. 

 Danvinella, Brady and Robertson, 1872, ib. vol. ix. p. 50. 

 Distributio)i. Post -Tertiary and Recent. 



Darwinella Stevensoni, Brady and Robertson, 1870. Post-Tertiary, 



England ; Recent, England, Ireland, and Holland. 



Poli/cJwks Stevensoni, B. & R. 1870, Ann. & Mag. Nat. Hist. vol. vi. p. 25, 



pi. vii. figs. 1-7, and pi. x. tigs. 4-14. 

 DancincUa Stevensoni, B. & R. L't-T^, ib. vol. ix. p. 60 ; Bradv, Crossk. Sz Robt.s. 

 1874, Men. Pal. Soc. p. 141, pi. ii. figs. 13-17. 



ENTOMIDELLA, Jones, 1873. 



Entomis, Jones, 1861, Alem. Geol. Surv. (map 32), p. 137. 

 Leperditia, Salter, I86I1, Brit. Assoc. Rep. p. 285. 



Entomiclclla, Jones, 1873, Ann. & Mag. Nat. Hist. 4th ser. vol. xi. p. 41G. 

 Distribution. Cambrian and Sihu'ian. 



Entomidella btxprestis, Salter, 1S66. Menevian, St. David's, Wales. 



Leperditia huprestis, Salter, 180fi, Rep. Brit. Assoc, p. 28.5. 

 L. ? punctdfissima, Salter, 1867, Siluria, Appendix, p. 519. 

 Entomis biipre.<fis, Jones, 1872, Quart. Jom-n. Geol. Soc. vol. xxviii. p. 183, 



pi. V. fig. 15. 

 Entomidelld buprestis, Jones, 1873, Ann. & Mag. Nat. Hist. 4th ser. vol. xi. 



p. 417. 



Entomidella divisa, Joues, 1873. Silurian, Builtb and Ludford. 



Entomis divisa, Jones, 1801, Mem. Geol. Surv. (map 32), p. 137; Jones, 1870, 



Montli. Micros. Journ. vol. iv. p. 185, pi. Ixi. fig. 12. 

 Entomidella divisa, Jones, 1873, Ann. & Mag. Nat. Hist. 4th ser. vol. xi. 



p. 410. 



ENTOMIS, Jones, 1801. 



Cypridina, De Koninck, 1841, Mem. Acad. R. Sc. Belg. vol. xiv. p. 18 ; G. 

 Sandberger, 1842, Leonh. u. Bronn's Jahrb. p. '22^3; F. A. Romer, 1854, 

 Palaeontographica, vol. iii. ; Richter, 1856, Denksch. inath.-nat. CI. k. 

 Akad. Wien, vol. xi. 



Entomis, J m\G^, 1861, Mem. Geol. Surv. Gt. Brit. Geol. Edinburgh (map 32) 

 p. 137 ; Jones and Kirkby, 1863, Geologist, vol. vi. p. 460 : H. W'oodw. & 

 Salter, 1867, Cat. & Cliart Foss. Crust, p. 20; Bigsby, 1868, Thesiiurua 

 Sihuicus, p. 74 ; Ban-ande, 1872, Crust. Poise. Sil. Boheme (extraits, &c.), 

 p. 41. 



iJistribution. Silurian, Devonian, and Carboniferous. 



Entomis aciculata, Jones, 1871. U. Silurian, Pcntland Hills, 



Scotland. 



Entomis acicidata, Jones, 1871, Rep. Brit. Assoc. Edinb. 1871, Trans. Sect. 

 p. 93; id. 1873, Ann. & Mag. Nat. Ili.st. 4th ser. vol. xi. p. 416. 



Entomis biconcentrica, Jones, 1S70. L. Carb., England and Ireland. 



Entomis biconcentrica, Jones, 1870, Month. Micros. Journ. vol. iv. p. 185, 

 pi. Ixi. fig. 13: id. 1873, Ann. & Mag. Nat. Hist. 4th ser. vol. xi. p. 416. 



