Pig dl, 
Pig. 2. 
Pig, -3. 
Fig, 4. 
Fig. 5. 
Figs 6; 
Figs 7s 
Pigs. 8 
Fig. 9 
Fig. 10. 
Fig. ii, 
doxus, 
Big, les 
Figs 13, 
5 
Fig. 14, 
Fig. 16. 
Pig, 7, 
Fig. 15. 
$2 
HXPLANATION OF PLATE III, 
CRYPTONYMUS VARIOLARIS, Brong. 
A young specimen. 
Rolled up specimen. 
The headandthorax. The segments are slightly bent backwards; 
it shows the sharpened front edge, and notched termination of the pleurae. 
A rolled specimen, nearly full-grown. 
From photographic plates of Fletcher’s plate 32. 
Head, showing anterior course of facial suture—after Salter. 
The same: a, side view; a-a, facial suture. 
Side view—after Fletcher. 
Shows front part of head and hypostoma—after Fletcher. 
Under side of the pygidium. 
The pygidium—after Herrman’s illustration, 1711. 
“Pectunculiles marmoreus tytlobus tmbricatus.”’ 
The pygidium—after Linné’s figure, 1759. Entomolithus para- 
Pygidium of 4. multi-segmentatus, Portl.—after Roemer, 
ENCRINURUS EAGANI, Miller—after Miller’s plate. 
Hypostoma of /, ob/usus, Ang.; front and side views. 
ENCRINURUS ORNATUS, Hall & Whitfield; from Clinton, Gr, N. Y. 
after Hall’s plate. 
Hypostoma of /, Leavis, Ang.; front and side views. 
CYBELE VIGILANS, Hall, Trenton, a-g, N. Y.—after Hall’s plate. 
