Arachnida — Scorpions. 



69 



ScoEPiONS.— In the Scorpionidse, the head-shield is of moderate GfA LL ERY 



VIII. 



size, having a pair of larger ocelli, or simple eyes, near the centre jj^^^ gj^^^ 



Wall- ease 

 12, Table- 

 case 85. 



Fig. 117. — Scorpio afer,'L\m\.. Recent: Fig. 118. — Palceophoneus, sp. Upper 

 Africa, m, maxillary palpi ; c, cheli- Silurian : Lesmahagow, Lanark*- 

 cerae ; t, the telson. (Reduced in size.) shire. ( x f .) 



Fig. 119. — jEoscorpi?^s carbonarius, Meek and Worfhen. Carboniferous: Illinois. 

 (Nat. size.) (After Nicholson's Palaeontology). 



