350 PALEONTOLOGY OF NEW-YORK. 



Fig. 7 c. A fragment of a cast, showing the siphuncle. 



Fig. 1 d. Pi. transverse section, showing the position of the siphuncle on the dorsal margin. 



Position and locality. In the limestone at Gait, Canada West. 



722. 7. CALYMENE sp. 



Pl. LXXXIV. Fig. b. 



The specimen is a rough cast of the glabella, in limestone. The three lateral tubercles are 

 more distinct and prominent than in C. hlumenhachii. 



Position and locality. In the limestone at Gait, Canada West. 



Several other species of univalve and bivalve shells were collected from the same locality 

 ■with the preceding, but they are all too imperfect for description. 



