186 Bulletin Wisconsin National History Society. [Vol. 9, No. 4. 



Callithamnopsis fruticosa (Hall). Trenton (Orel.) 



Oldhamia fruticosa, Hall 1865, Can. Org. Rem., Decade 2, p. 50. 

 Callithamnopsis fruticosa, Whitfield 1895, Memo. Am. Mus. of Nat. 



Hist., Vol. 1, Pt. 2, p. 42, pi. 4, figs. 4-8. 

 Locality — Platteville, Wis. 

 Type Specimen — Am. Mus. of Nat. Hist. 



Chselomorpha ? prima Whitfield. Trenton (Ord.) 



Bull. Am. Mus. of Nat. Hist., Whitfield, 1894, Vol. 6, p. 355, pi. 4. 



figs. 9-10. 

 Locality — Platteville, Wis. 

 Types — Am. Mus. of Nat. Hist. 



C hat oc ladus pi ii inula Whitfield. Trenton (Ord.) 



Bull. Am. Mus. of Nat. Hist,, Whitfield, 1894, Vol. 6, p. 356, pi. 2. 



figs. 11-13. 

 Locality — Platteville, Wis. 

 Types — Am. Mus. of Nat, Hist. 



Fucus bertheletensis Penhollow. Hamilton (Dev.) 



Bull. Wis. Nat. Hist. Soc, Penhollow. 1908. Vol. 6, Pt. 1. p. 11, pi. 2. 

 Locality — Milwaukee, Wis. 

 Type— Mil. Pub. Mus. 



Nematophycus milwaukeensis Penhollow. Hamilton (Dev.) 



Bull. Wis. Nat. Hist. Soc, Penhollow. 1908, Vol. 6, Pt. 1, p. 8, pi. 1. 

 Locality — Milwaukee, Wis. 

 Type— Mil. Pub. Mus. 



Oldhamia fruticosa Hall = Callithamnopsis fruticosa. 



Palsophycus plumosum Whitfield = Palceophycus plumosus. 



Palaeophycus plumosus Whitfield. Potsdam. 



Palceophycus plumosum, Whitfield, 1877. Kept. Geo!. Surv. Wis., 



p. 50. 

 Pahrophycus plumosus, Whitfield, 1882, Geol. of Wis.. Vol. 4, p. 169, 



pl. 1, fig 1. 

 Locality — Mendota, Wis. 

 Type — Univ. of Wis. 



