PLATE I. 

 Calymene platts. 



Page 1. 



Plate 25. 



1, .\ cimen wanting ft * portion of the body, but preserving the movable 



2. .\ nil) vidua! below the average size; drawn from an impression of a 



iitural mou ' surface. The obscure third pair of glabellar lobes are distinctly 



ippear in the drawing. The specimen belongs to the cabinet 

 tute and is the original of Dr. Green's description. 



individual with a portion of the cephalon removed, showing the hypostoma in its normal 



ion. 



Schoharit county. 

 I i ■ : . i - earlj entire example, retaining only a small portion of the crust. The third 



do not appear in the drav 

 Schoharie county. 

 \ large individual retaining most of the crust upon the thorax. 



hoharie county. 

 fixed cheeks of a large individual preserved as a cast of the lower surface. 

 The iirst and third pairs of glabellar lobes are not indicated in the drawing. 

 -■ oriit. Knox, i vty. 



i '1 Drawn from an imp : the lower surface obtained from tig. 3, and 



ii >r margin. 

 ' i tal drawn from a cast of the lower surface and showing the im- 



i tenor margin. The annulations upon the posterior por- 

 iious in the drawing, 

 grit. Schoharit county. 



' dge has been broken away in the specimen, leaving the 



ate than is normal. 

 Schoharie hoharii con 



Calym EN B NlAGARENSIS. 



showing the first .and inconspicuous third pair of glabellar lobes. 

 Inti i : . ■ ill,,, „, platys. 



Iron, I ml 'num. 

 <■■ cephalon, showing the epi tomal doublure and the hypostoma in place, 

 i, Indiana. 

 Pig. 12. .'-. ize. 



Waldron, Indiana. 



mowing the upper surface of the hypostoma. 



1 • a two diami 



ira group. Waldro . Tnd; 



