PRI. PRO.] 



CRUSTACEA. 



561 



IG. 1044,-Pliil- 

 lipsia lodien- 



insignis, Winchell, 1863, Proc. Acad. Nat. 



Sci., p. 24, Burlington Gr. 

 laevis, see Cyphaspis Isevis. 



lodiensis, Meek, 1875, Ohio 

 Pal, vol. 2, p. 323,' Wa- 

 verly Gr. 



major, Shumard, 1858, 

 Trans. St. Louis Acad. 

 Sci., vol. 1, p. 226, and 

 Pal. E. Neb., p. 238, Coal 

 Meas. 



meramecensis, Shumard, 

 1855, Geo. Rep. Mo., p. 

 199, Archimedes lime- 

 stone or Keokuk Gr. 

 minuscula, see Cyphaspis 



minuscula. 

 missouriensis, Shumard, 1858, Trans. St. 

 St. Louis Acad. Sci., vol. 1, p. 225, Coal 

 Meas. 



or>tata, Hall, see Cyphaspis ornata. 

 perannulata, Shumard, 1858, Trans. St. 

 Louis Acad. Sci., vol. 1, p. 296, Per- 

 mian Gr. 



portlocki. Meek & Worthen, 1865, Proc. 

 Acad. Nat. Sci., p. 268, and Geo. Sur. 

 III., vol. 5, p. 525, Keokuk Gr. 

 rockfordensis, Winchell, 1865, Proc. Acad. 



Nat. Sci., p. 133, Kinderhook Gr. 

 santramonensis, Meek & Worthen, 1865, 

 Proc. Acad. Nat. Sci., p. 271, and 

 Geo. Sur. 111., vol. 5, p. 615, Coal 

 Meas. 



ecitula, Meek & Worthen, 1865, Proc. 

 Acad. Nat. Sci., p. 270, and Geo. Sur. 

 111., vol. 5, p. 612, Coal Meas. 

 stevensoni. Meek, 1871, Reg. Rep. Uni- 

 versity W. Va,, Kask'-iskia Gr. 

 swallovi, Shumard, 1855, (Proetus swal- 

 lovi,) Geo. Rep. Mo., p. 196, Wa- 

 verly Gr. 

 tennesseensis, Winchell, 1869, Geo. of 



Tenn., p. 445, Waverly Gr. 

 tuberculata, Meek & Worthen, 1870, 

 Proc. Acad. Nat. Sci., p. 52, Burling- 

 ton Gr. 

 vindobonensis, Hartt, 1868, Acad. Geol., 



p. 313, Carboniferous. 

 Piliolites, Cozzens, 1848. Not identified. 

 ohioensis, Cozzens, 1848. Not identified, 

 but probably the fragment of a Dal- 

 manites. 



Platynotm, syn for Lichas. 

 boltoni, see Lichas boltoni. 

 trentonemis, see Lichas trentonensis. 

 Plumulites, Barrande, syn. for Turrilepas 

 devonicus, see Turrilepas devonicus. 

 gracillimus, see Turrilepas gracillimus. 

 jamesi, see Lepidocoleus jamesi. 

 newberryi, see Turrilepas newberryi. 

 Prestwichia, Woodward, 1867, Quar. Jour, 

 Geo. Soc. Lond., vol. 23. Not known 

 in America. 



erifnsis, see Protolimulus eriensis. 



PHIMITIA, Jones, 1865, Ann. and Mag. Nat. 



Hist., 3d ser., vol. 16, p. 415. [Ely. 



primitia, first of the kind.] Carapace 



minute; bivalve, equivalve, convex 



oblong; hinge straight ; surface of each 

 valve impressed, on the dorsal region 

 either medially or toward the anterior 

 extremity, with a vertical sulcus, 

 variable in size. Type P. strangu- 

 lata. 



acadica, Matthew. 1885, Trans. Roy. Soc. 

 Can. p. 66, St. John Gr. 



aequalis, Jones & Hall, 1886, Ann. and 

 Mag. Nat. Hist., 5th ser., vol. 17, p. 

 411, Low. Held. Gr. 



cincinnatiensis, S. A. Miller, 

 1875, (Beyrichia Cincinnati- CD 

 ensis,) Gin. Quar. Jour. _, 

 Sci., vol. 2, p. 350, Hud. fijjjf 

 RiV. Gr. cincinnati- 



concinna, Jones, 1858, (Cytber- eusis. 

 opsis concinna,) Ann. and 

 Mag. Nat. Hist., 3d ser., vol. 1, p. 249. 

 Black Riv. Gr. 



cristata, Whitfield, 1889, Bull. Am. Mus. 

 Nat. Hist., vol. 2, p. 59, Calcifer- 

 ous Gr. 



gregaria, Whitfield, 1889, Bull. Am. Mus. 

 Nat. Hist., vol. 2, p. 58, Calcifer- 

 ous Gr. 



logani, Jones, 1858, (Beyrichia logani,) 

 Ann. and Mag. Nat. Hist., 3d ser., vol. 

 1, p. 244, Chazy Gr. 



leperditioides, Jones, 1858, (Beyrichia 

 logani var." leperditioides,) Can. Org. 

 Rem., Decade 3, p. 91, Chazy Gr. 



mundula, Jones, 1855, Ann. and Mag. 

 Nat. Hist., 2d ser., vol. 16, p. 90, Low. 

 Devonian. 



muta, Jones, 1865, Ann. and Mag. Nat. 

 Hist., 3d ser., vol. 16, p. 425, Up. 

 Sil. 



reniformis, Jones, 1858, (Beyrichia logani 

 var. reniformis,) Can. Org. Rem., De- 

 cade 3, p. 91, Chazy Gr. 



rugulifera, Jones. 1858, (Beyrichia rugu- 

 lifera,) Ann. and Mag. Nat. Hist., 3d 

 ser., vol. 1, p. 242, Niagara Gr. 



ecaphoides, Jones, 1889, Ann. and Mag. 

 Nat. Hist., 6th ser., vol. 3, p. 377, Low. 

 Devonian. 



seeleyi, Whitfield, 1889, Bull. Am. Mus. 

 Nat. Hist., vol. 2, p. 60, Calcifer- 

 ous Gr. 



sigillata, Jones, 1858, (Beyricbia sigil- 

 lata,) Ann. and Mag. Nat. Hist., 3d ser., 

 vol. 1, p. 242, Niagara Gr. 

 PROETUS, Steininger, 1830, Bemerkungen 

 uber die Versteinerungen welche im 

 Uebergangs-Gebirge der Eifel, p. 4. 

 [Ety. mythological name.] Subellip- 

 tical ; cephalic shield semicircular, mar- 

 gin thickened ; glabella very convex, 

 parabolic, rounded anteriorly, no lat- 

 eral furrows ; neck furrow well marked ; 

 eyes prominent, smooth, close to gla- 

 bella ; facial suture, on a line with the 

 eyes in front, curves gently backward 

 and reaches the posterior margin, 

 within the genal angle ; thoracic seg- 

 ments 10, convex, lateral lobes, with 

 an oblique indentation ; pygidium tri- 



