

SILURIAN. 

Names and References; Observations, &c. 



Numbers and Localities. 

CRUSTACEA Trilobita. 
Encrinurus punctatus, Briinn. (Sil. 2nd ed. pl. 
Cheirurus bimucronatus, Mur. (Sil. 2nd ed. pl. 
3, fig. 5, pl. 19, figs. 10, 11). 
Phacops Stokesii, Milne Edw. (Siluria, 2nd ed. 
Phacops Weaveri, Salt. (Decade Geol. Surv. 2, 
p-7,pl.1. Mon. Brit. Tril. pl. 3, figs. 1—3,1864). 
Phacops caudatus, Brongn. (Mon. Brit. Tril. pl.3, 
figs. 418. Siluria, 2nd ed. pl. 17, fig. 2). 
Ilenus Thomsoni, Salter (Mon. Brit. Tril. pl. 
28, figs. 2—4, pl. 30, figs. 8—10). 
Proetus Stokesii, Murch. (Siluria, 2nd ed. pl. 
Proetus, sp. There are many undescribed species 
MOLLUSCA Brachiopoda. 
Lingula parallela, Phill. (Mem. Geol. Surv. 
Day. Sil. Brach. 
Obolus transversus? Dav. Sil. Brach. t. 5, figs. 
Atrypa reticularis, Linn. sp. (Siluria, 2nd ed. pl. 
Atrypa marginalis, Dalm. (Sil. 2nd ed. pl. 9, 
Dav. Sil. Brach. t. 13, figs. 283—30). 
86 
sa ceueee Reference to McCoy’s 
Drawers. | Synopsis: and Figures of Genera. 
Gal p- 158. 
10, fig. 5). 
Ceraurus Williams, p. 155. 
Gal Portlockia, p. 163. 
pl. 10, fig. 6). 
Odontochile, p. 160. 
Forbesia, p. 174. 
. \\\Y Uy, fig. 7). 
Gal 
of this genus. 
Ga2 Lingula, sp. 
Vol. 11. pt. 1, pl. 26, fig. 1. 
| pl. 2, figs. 24—27). 
Ga4 do. See Wenlock. 
1—6. 
Ga2 Spirigerina, p. 198. 
Ga 9, fig. 1). 
p. 197. 
fig 2. 
eee 
Ga 2 | Quoted also as Orthis turgida, 

Hemithyris, p. 201. 

Atrypa hemispherica, Sow. (Siluria, 2nd ed. 
pl. 9, fig. 3). 


b. 455, Norbury and May 
Hill; a. 344, Pwllheli; 
Pentamerus Shales, Onny 
River, Shropshire. 
b. 458, Norbury. 
Tortworth. 
May Hill. 
Common in the shales of 
Onny River, Shropshire. 
a. 346, Braes, 14 m. E. of 
Girvan. 
b. 464, Eastnor, Malvern. 
Malverns. 
b. 467, May Hill. 
a. 348, Norbury; b. 468, 
May Hill. b. 469, Penta- 
merus Shales, Onny River, 
Shropshire. 
May Hill; the Braes, near 
Girvan. 
b. 472, Norbury; b. 473, 
Presteign; a. 233, Pwllheli; 
b. 474, the Braes, Girvan, 
Ayr. 
