76 PHYLLOPODA. 



Hymenocaris vermicauda, Salter, 1852. Lower Lingula-Flags, 



Dolgelly and Caernarvon. 



Hymenocaris vermicauda, Salter, 1852, Report Brit. Assoc. Belfast, p. G3 ; 



H. Woodw. & Salter, 1865, Cat. & Chart Foss. Crust, p. 17 ; Salter, 1866, 



Mem. Geol. Surv. vol. iii. p. 293, pi. ii. figs. 1-4, pi. v. fig. 25 ; Murcb. 1867, 



Silui'ia, pp. 44 (foss. 6. fig. 1) and 518. 



LEAIA, Jones, 1862. 



Cyprieardia, Lea, 1855, Proc. Acad. Nat. Sc. Philad. vii. p. 341. 

 Apfychus?, J. Phillips, 18-39, Sil. Syst. p. 89. 



Leaia, Jones, 1862, Mon. Pal. Soc. (Estheriae), Append, p. 115 ; Meek & 

 Worthen, 1868, Geol. Illinois (Palse ontology), vol. iii. p. 541. 

 Distribution. Carboniferous. 



Leaia Leidyi, Lea, sp., 1855. Carboniferous Shales, S. Wales ; 



base of the Carboniferous, Pennsylvania. 

 Cyprieardia Leidyi, Lea, 1855, Proc. Acad. Nat. Sci. Philadelphia, vol. vii. 



p. 341, pi. iv. 

 Leaia Leidyi, Jones, 1862, Mon. Pal. Soc. p. 116, pi. v. figs. 11, 12 ; id. 1870, 

 Geol. Mag. vol. vii. p. 219, pi. ix. figs. 11-14. 



Leaia Leidyi, var. Salteriana, Jones, 1862. L. Carboniferous Rocks, 



Fifeshire, Scotland. 

 Leaia Leidyi, var. Salteriana, Jones, 1862, Mon. Pal. Soc. Foss- Estherise, 

 Append, p. 110, pi. i. fig. 21. 



Leaia Leidyi, var. Williamsoniana, Jones, 1862. Coal-measures, 



Ardwick, near Manchester. 

 Bivalvidar Shell, Williamson, 1806, Phil. Mag. new series, vol. ix. p. 351. 

 Aptychus, Phillips, Sil. Syst. 1839, p. 89. 



Leaia Leidyi, var. Williamsoniana, Jones, 1862, Mon. Pal. Soc. Foss. Estheriae, 

 Append: p. 117, pi. i. figs. 19, 20. 



LINGULOCARIS, Salter, 1866. 



Lingulocaris, Salter, 1866, Mem. Geol. Surv. vol. iii. p. 294. 

 Distribution. Middle Cambrian. 



Lingulocaris lingnlaBComes, Salter, 1866. Upper Tremadoc, Garth, 



Portmadoc. 

 Lingulocaris lingidcpcomes, Salter, 1866, Mem. Geol. Surv. vol. iii. p. 294, 

 pi. X. figs. 1, 2; Murch. 1867, Siluria, 4th edit. p. 519 j Salter, 1873, Cat. 

 Camb. & Sil. Foss. p. 16. 



MYOCARIS, Salter, 1864. 

 Myocaris, Salter, 1864, Geol. Mag, vol. i. p. 11. 

 Distribution. Silui'ian. 



Myocaris lutraria, Salter, 1864. Silurian, Budleigh-Salterton. 



Myocaris lutraria, Salter, 1864, Geol. Mag. vol. i. p. 11, woodcut 4. 



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