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EXPLANATION OF PLATE XLIV. 
SCAPHITES SIMILIS Whif. (p. 267). 
Fics. 1. Lateral view of the specimen described. 
2. Diagram of a septum, twice enlarged. Acad. Nat. Sei., Phila. . 
SCAPHITES RENIFORMIS Morton (p. 264). 
3. A reproduction of Dr. Morton’s figure, no authentic specimen having been seen. 
. 
SCAPHITES 1k1s Conrad (p. 265). 
5. Dorsal and lateral views of one of Mr. Conrad’s types. } : 
6. Lateral view of the specimen originally figured by Mr. Conrad. 
7. View of an outer chamber, also one of his types. Acad. Nat. Sci., Phila. 
SCAPHITES HIPPOCREPIS De Kay (p. 261). 
8. Lateral view of the specimen originally figured by Dr. Morton. 
9-11. Lateral, dorsal, and vertical views of a larger specimen, both being in the Acad. Nat. Sci. 
collection. 7 
12. Diagram of a septum, twice enlarged, from the last. 
SCAPHITES NODOSUS Owen (p. 261). 4 
i vite . 
13,14. Lateral and dorsal views of a fragment of an outer chamber referred to this species. 
Rutgers College. 
386 
