Prota. 



774 



which Peach afterwards 

 was disposed to con- 

 sider a Euryterus. All 

 three in Lower Helder- 

 berg (Upper Silurian) 

 formation. Z i 1 1 e 1 ' s 

 Handbuch, 1885. Vol.2, 

 p. 739, fig. 915 a, natural 



ML 



Sill! A.M-rj H. 



\ 

 \ 





stze. 



otner 



ures 



The 



fig- 

 are 



\ 



\/3> ij 





'fe3\=- 



^^ 



r^-^": 





// 



vm. 



of Whit- 

 field's orig- 

 inals i n 

 Bulletin 

 American 

 Mus. Nat. 



Hist N.Y., 



1885, Vol. I, No. 6, page 184, plates 19 and 20. Fig. 3, magni- 

 fied to two lengths, is an outline sketch of the specimen; 1, 

 mandible, 2 palpus; 3, first leg; 4, 5, 6, fragments of other 

 limbs; a, spot which represent a breathing hole {spiracle) ; \ 

 the additional belly plate; c, one of the depressions in the skin 

 which looks like a p^foration. — Waterlime formation. VL 



Protarea vetusta, Edwards and Haime. {Porites vetustd^ 



Hall, 1847, Pal. N. Y. Vol. 1., 

 Trenton and Hudson river forma- 

 tions.) Collett's Indiana Report 

 of 1881, pige 378, plate 49, fig. 4, 

 iimiW VanClev's drawing of an Indiana 

 specimen of this widely distributed 

 little coral, which has grown over 

 the surface of a shell ( Sirop/wmena 

 alie7viata^ YentrRl valve). Trenton 

 P I.4-X and Hudson river formations, IIc^ 



M.rssn 



nil. 



Protarea verneuUi, Edwards and Haime, Pal. Foss. des 

 terres Palseoz., 1851, p. 209. Silurian. ( ? , S. A. M.) 



