PLATE Vin. 
Fig. Page 
1. lli/hodus (lelaln-Jii, Cluirlesworth; head and anterior portion 
of abdomen, superior and lateral aspects, one third nat. 
size. — L. Lias ; Ljme llegis. r.s.', c.s.'^ First and 
second pairs of cephalic spines, m. Mouth, with a few 
teeth, orb. Orbit. Portion of ptorygo-iiuadrate. 
t. Isolated tooth. 1 39880 .] 25i) 
2, .‘3. Ditto ; dermal tubercles from the top of the head in the 
same specimen, three times nat. size. 260 
4, 5. Ditto ; dermal tubercles upon the trunk, sliglitly behind 
the head, in the same specimen, three times nat. size. 260 
