Raymonp. — Paradoxides. ‘ . 
EXPLANATION OF PLATE. 
Fig. 1. Paradoxides haywardi Raymond. The holotype. Hayward quarry 
Braintree, Mass. Nat. size. No. 16, M. C. Z. s 
Fig. 2." The same species. A cranidium from the same locality. Nat. siz 
No. 97, \M. CPZ: 
Fig. 3. Paradoxides harlani Green. The cranidium of a young specimen fro 
the same locality as the above. Nat.size. No.22,M.C.Z. 
Fig. 4. The same species. An imperfect cranidium of about the same si 
as the cranidia of P. haywardi shown in fig. 1, 2. Same localit 
Nat. size.. No. 23, M: C.Z,. 
Fig. 5,6. Paradoxides harlani? Green. The free cheeks of young individual 
referred to P. harlani rather than to P. haywardi, merely 
account of the greater abundance of the first named species. Sam 
locality as above. Nat. size. No. 24, 25, M. C. Z. 
Fig. 7. Paradoxides haywardi Raymond. A specimen retaining a part off t] 
thorax. The cranidium is imperfect and has been pushed a 0 
the thorax. A part of an overturned free cheek is present at tl 
side. Same locality. Nat. size. No. 18, M.C. Z. vy . 
Fig. 8. Paradoxides sp. ind. A protaspis from the Middle Cambrian 
Teirovic, Bohemia. XX 16. No. 33, M. C. Z., Schaal 
(The median depression is too long in the figure). 
Fig. 9. Paradoxides rugulosus Hawle and Corda. A young individual f 
Slap, near Skrey, Bohemia. X 8. No. 423, M.C. Z., Scha: 
