Palje. 



578 



\^^w\ 



/Daw 



Paleeaster parviusculus, Billings. Dawson's Acadian 

 ,^ Geology, 1868, page 595, fi^. 197, natural size; rays 

 not separated at base as in P.niagarensis (Hall, Pal. 

 N. Y. Vol. 2, p. 247, pi. 51, figs. 21, 22, 23.) Fonnd at 

 Arisaig, Nova Scotia. — V? 



Palaeaster shaeflFeri, Hall, 20th Kegent's Eeport, 1868, 



plate 9, fig. 2. Copied unto Pal. 

 Ohio, Vol. 1, 1873, page %^, plate 4, 

 fig. 1, an outline view of the central 

 side. Found at Cincinnati in Hud- 

 son River shale formation. Illh, 



Paloedaphus (Heliodus) lesleyi, 



Newberry, Pal. Ohio, Vol. 2, 1875, 



page 64, plate 58, fig. 18, for which 



. . . ..y. ^,1^ see Appendix. 



Hall. W 



Palaenigma wrangeli. ( Tetradium wrangeli. Schmidt, 



1874. Memoirsof the Imp. 

 lljj Acad. St. Petersburg, [7] 

 XXI, No. 11, p. 42; IV, 

 figs. 3 to 8. A sort of 

 primitive Conularia, Lind- 

 strom, or connecting link 

 between Conularia and 

 Hyolithes. Mathevia is 

 still more certainly such.) 

 Walcott, Bull. No. 30, p. 

 223, plate 33, fig. 2 side 

 view; 2 a, section across 

 top; 2 b summit of sep- 

 tum; 2 c, smaller specimen. 



— z. a 



Palseoblattina douvillei, Bgt. An insect found in the 

 [jy+ <^^"iS7^x Middle Silurian rocks of Jurgues in the 



Calvados of France. Fig. 929 of ZittePs 

 hand book, from a drawing sent to him by 

 Brogniart (f nat. size) introduced here as 

 a rare case of extremely ancient palaeo- 

 zoic insect life. — IV ±. 



ZM. 



929 



