HOMA. 



288 



Homalonotus delphinocephalus. {Trimerus delpM- 



~ nocephalus). Hall, page 



103, fig. 34. Rogers 

 page 828, no figure 

 Clinton and Niagara 

 (Often 7 or 8 inches long 

 very rarely 12 inches 

 See Murchison's Siluri- 

 an Research, plate 1 bis, 

 fig 1 a, b. Green's Mon- 

 ograph, 1832, plate 82, 

 fig. 1.) — In Pennsylva- 

 nia, Huntingdon Oo.^ 

 Ferguson valley, Orbi 

 sonia, in limestone lay- 

 ers in the 133' of shales 

 overlying the Clinton 

 fossil ore led. (0. E. 

 Hall,Proc. A. P. S.Jan. 

 5,1876; White's Rt. T3, 

 p. 141.)— In Perry Co., 

 Pa. Millerstown fossil 

 ore hank, (Clay pole's 

 specimens 161-2, three ; 

 161-13.)— F«. — Speci- 

 mens in collections of 

 Hall, Hale and Fellows 

 at McKee's fossil ore 

 lank, and Matilda fur- 

 nace, Mifllin Co., and 

 Orbisonia ore banks^ 

 Huntingdon Co., are as 

 follows :— 501-21 (tail, 

 poor);— 23 (body and 

 tail, fair) ;-28 (frag, of head) ; 34 (frag, of body) ;-36 (two 

 fragments of head, poor) ;-43.-502-l (large tail) ;-8 (small 

 head, poor) ;— 17 (bits of heads) ;— 18 (heads and tails, good) ; 

 -19 (bit of head) ; -21 (head);-24 (head, large and good) ;- 

 32; 34 (head) ;— 45 (four tails and two tails),— 503-11 ; 13 (bit 

 of tail).— 505-5 ;-7 ;— 19 (impression of tail) ;— 23 (bit of head) ; 



