251 



Ford. 



Fordilla troyensis. 



Barrande. Walcott, Bulletin U. S. 

 Plate XI G. S. No. 30, page 125, 

 plate XI, fig. 3, right 

 valve enlarged Uve 

 times; fig. 36ij, another ; 

 fig. 3&, interior cast of 

 a right valve, showing 

 the muscular marks; 

 fig. 3(?, left valve, en- 

 larged Hve tim.es, (See 

 Barrande's Etudes loc. 

 et comp. Acephales, 8°, 

 plate 361). Near Troy, 

 and Shodack landing, N. Y. Lower Cambrian^ L. C. 



FuGoides, See Sea weeds. 



FuGoides hilobata. See Rusophycus bilobatus. V a. 

 FuGoides eaudagalli. See Spirophyton caudagalli. VII. 

 FuGoides demissus. See Phytopsis tubulosa. // b, 

 FuGoides graGilis, See Buthotrephis gracilis. V a. 

 FuGoides allegheniensis. See Harlania halli. IV, 

 Fucoides hrongniarti. See Harlania halli. IV. 

 FuGoides Miformis, See Rhacophyllum filiforme. XIII. 

 Fucoides graphica. Hall, page 241, fig. 104. Vanuxem, 



