70 PHYLLOPODA. 



Aptychopsis Lapworthi, H. Woodw. 1872. Middle iSlurian, near 



Hawick. 

 Aptychopds Lupworthi, II. Woodw. 1872, Geol. Mag. vol. ix. p. 565; id. 

 1873, Brit. Assoc. Eep. Brighton, 1872. 



Aptychopsis Wilsoni, H. Woodw. 1872. Middle Silurian, Yad's Lynn, 



near Hawick. 



Aptychopsis Wilsoni, H. Woodw. 1872, Geol. Mag. vol. ix. p. 565 ; H.Woodw. 

 1873, Brit. Assoc. Rep. Brighton, 1872 ; J. Armstrong & others, " Cata- 

 logue of the Western Scottish Fossils," Glasgow, 1876, p. 7. 



CARYOCARIS, Salter, 1862. 

 Cari/ocaris, Salter, 1862, Quart. Journ. Geol. Soc. vol. xix. p. 139. 

 Dislribution. Cambrian and Silurian. 



Caryocaris Marrii, Hicks, 1876. (Arenig) Cambrian Shales, near 



Caernarvon. 

 Caryocaris Marrii, Hicks, 1876, Quart. Journ. Geol. Soc. vol. xxxii. p. 138. 



Caryocaris Wrightii, Salter. Skiddaw Slate, Barff, Skidda\\', Longside. 



Caryocaris Wrightii, Salter, Hai-kuess on Skiddaw Slates, Quart. Journ. Geol. 

 Soc. vol. xix. p. 139, fig. 15. 



CERATIOCARIS, M'Coy, 1849. 



Onchus, Agassiz, 1839, Sil. Syst. 



Ceratiocaris, M'Coy, 1849, Ann. & Mag. Nat. Hist. 2nd ser. vol. iv. p. 412 ; 



Salter, 1860, Ann. & Mag. Nat. Hist. 3rd ser. vol. v. p. 158 ; H. Woodw. 



1866, Geol. Mag. p. 203 ; Mm'ch. 1867, Siluria, p. 516. 

 Leptocheles, M'Coy, 1850, Pal. Foss. p. 176. 

 Pterygotns, M'Coy, 1850, Pal. Foss. p. 175. 

 Dithyrocaris, Salter, 1852, Quart, Journ. Geol. Soc. vol. viii. 

 Distribution. Silm-iau to Carboniferous. 



Ceratiocaris aptychoides, Salter, 1860. Silurian, Duffkinnell, 



Dumfriesshire. 

 Dithyrocaris aptychoides, Salter, 1852, Quart. Journ. Geol. Soc. vol. viii. pi. xxi. 



fig. 10. 

 Ceratiocaris aptychoides, Salter, 1860, Ann. & Mag. Nat. Hist. 3rd ser. vol. v. 

 p. 161. 



Ceratiocaris cassia, Salter, 1860. Lower Ludlow, Leintwardine. 



Ceratiocaris cassia, Salter, 1860, Ann. & Mag. Nat. Hist. 3rd ser. vol. v. p. 159 ; 

 Salter, 1867, Murch. Siluria, p. 516. 



Ceratiocaris decerns, Salter, 1860. Ludlow Rock, Freshwater East, 



Pembrokeshire. 

 Ceratiocaris decorvs, Phill. 1848, Mem. Geol. Surv. vol. i. pt. 2, pi. xxx. 

 fig. 5 ; Murch. 1867, Siliu-ia, p. 516 ; Salter, 1860, Ann. & Mag. Nat. Hist. 

 3rd ser. vol. v. p. 158. 

 Leptocheles ellipticus, M'Coy, 1850, Pal. Foss. p. 170. 



Ceratiocaris ellipticus, M'Coy, 1849. Upper Silurian, Benson's Knot. 



Kendal. 

 Ceratiocaris ellipticus, M'Cov, 1849, Ann. & Mag. Nat. Hist. 2nd ser. vol. iv. 

 p. 431 ; M'Coy, 1855, Pal." Foss. Woodw. Mus. p. 137, pl.i. E. fig. 8. 



