CRUSTACEA. 



553 



fabulites, Conrad, 1843, (Cytherina fabu- 

 lites,) Proc. Acad. Nat. Sci. Phil., p. 332, 

 Trenton Gr. 



fonticola, Hall, 1867, 20th Rep. N. Y. St. 

 Mus. Nat. Hist., p. 428, Niagara Gr. 



gibbera, Jones, 1856, Ann. and Mag. Nat. 

 Hist., 2d ser., vol. 17, p. 90, Niag- 

 ara Gr. 



gibbera var. scalaris, see L. scalaris. 



gracilis, see Isochilina gracilis. 



hudsonica, Hall, 1859, Pal. N. Y., vol. 3, 

 p. 375, Low. Held. Gr. 



jonesi, Hall, 1859, Pal. N. Y., vol. 3, p. 

 372, Low. Held. Gr. 



josephana, Jones, 1858, (L. canadensis 

 var. josephana,) Can. Org. Rem., Dec- 

 ade 3, p. 94, Black Riv. to Tren- 

 ton Gr. 



labrosa, Jones, 1858, (L. canadensis var. 

 labrosa,) Can. Org. Rem., Decade 3, p. 

 93, Chazy Gr. 



louckana, Jones, 1858, (L. canadensis var. 

 louckana,) Can. Org. Rem., Decade 3, p. 

 93, Black Riv. Gr. 



marginata, Keyserling, 1846, Wissen- 

 schaftliche Beobachtungen, etc., Niag- 

 ara Gr. 



minutissima, Hall, 1871, 24th Rep. N. Y. 

 St. Mus. Nat. Hist,, p. 231, Utica Slate 

 and Hud. Riv. Gr. 



morgani, Safford. Not defined. 



nana, Jones, 1858, (L. canadensis var. 

 nana,) Can. Org. Rem., Decade 3, p. 92, 

 Calciferous Gr. 



okeni, Munster, 1830, (Cythere okeni,) 

 Jahrbuch fur Min., Geo. und Petrif. 

 Carboniferous. 



Ottawa, see Isochilina, Ottawa. 



ovata, Jones, 1858, Ann. and Mag. Nat. 

 Hist., 3d ser., vol. 1, p. 252, Black 

 Riv. Gr. 



pauquettana, Jones, 1858, (L. canadensis 

 var. pauquettana,) Can. Org. Rem., Dec- 

 ade 3, p. 94, Black Riv. Gr. 



parasitica, Hall, 1859, Pal. N. Y., vol. 3, 

 p. 276, Low. Held. Gr. 



parvula, Hall, 1859, Pal. N. Y., vol. 3, 

 p. 376, Low. Held. Gr. 



pennsylvanica, Jones, 1858, Ann. and 

 Mag. Nat. Hist., 3d ser., vol. 1, p. 251, 

 Clinton Gr. 



punctulifera, Hall, 1860, 13th Rep. N. Y. 

 St. Mus. Nat. Hist., p. 92, Ham. Gr. 



radiata, Ulrich, 1879, Jour. Cin. Soc. Nat. 

 Hist., vol. 2, p. 9, Utica Slate Gr. 



rotundata, Walcott, 1885, Monogr. U. S. 

 Geo. Sur., vol. 8, p. 206, Devonian. 



scalaris Jones, 1858, (L. gibbera var. sca- 

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

 ser., vol. 1, p. 250, Waterlime Gr. 



seneca, Hall, 1862, 15th Rep. N. Y. St. 

 Mus. Nat. Hist., p. 84, Ham. Gr. 



sinuata, Hall, 1860, Can. Nat. and Geo., 

 vol. 5, p. 158, Up. Silurian. 



spinulifera, Hall, 1862, 15th Rep. N. Y. 

 St. Mus. Nat. Hist., p. 83, Up. Held Gr. 



sublsevis, Shumard, 1855, (Cythere sub- 

 tevis,) Geo. Rep. Mo., p. 195, Low. 

 Magnesian Gr. 



troyensis, see Aristozoe troyensis. 

 turgida, Billings, 1865, Pal. Foss., vol. 1, 



p. 299, Quebec Gr. 

 ventralis, Billings, 1865, Pal. Foss., vol. 1, 



p. 300, Quebec Gr. 



unicornis, Ulrich, 1879, Jour. Cin. 

 Soc. Nat. Hist., vol. 2, p. 10, Utica 

 Slate Gr. 



LEPIDILLA, Matthew, 1885, Trans. Roy. Soc. 

 Can., p. 62. [Ety. lepis, a scale.] Bi- 

 valve; hinge-line straight, projecting 

 from the general contour of the shell ; 

 umbo and hinge-line separated from the 

 valve by a sinus, behind which there is 

 a foramen. Type L. anomala. 

 anomala, Matthew, 1885, Trans. Roy. Soc. 



Can., p. 62, St. John Gr. 

 LEPIDITTA, Matthew, 1885, Trans. Roy. Soc. 

 Can. p. 61. [Ety. lepis, scale; dittos, 

 double.] Minute, obliquely semicir- 

 cular, wider on the anterior half, hinge 

 straight ; umbones in the middle, low. 

 Type L. alata. 

 alata, Matthew, 1885, Trans. Roy. Soc. 



Can., p. 61, St. John Gr. 

 curta, Matthew, 1885, Trans. Roy. Soc. 



Can., p. 62, St. John Gr. 

 LEPIDOCOL BUS, 

 Faber, 1886, 

 Jour. Cin. 

 Soc. Nat, 

 Hist., vol.9, 

 p. 15. [Ety. 

 lepis, scale ; 

 k o I e o s , 

 sh eath.] 

 Bodv elon- FIG. 1022. Lepldocoleusjamesi. 

 gatef com- fe 2 diam " Lebanon spec ' 

 posed of two 



series of thin, imbricating, angular plates, 

 interlocking and over- 

 lapping along the basal 

 edges ; plates small, 

 more or less triangular 

 in outline ; one side al- 

 ways longer than either 

 of the others ; one side 

 usually sigmoidal; entire 

 outer surface marked 

 with stria;. Type L. 

 jamesi. 



jamesi, Hall & Whitfield, 

 1875,(Plumulitesjamesi,) 

 Ohio Pal., vol. 2, p. 106, 

 Hud. Riv. Gr. 



LICHAS, Dalrnan, 1826, Uber 

 die Palseaden oder die 

 Sogenannten Trilo- 



biten, p. 71. [Ety. my- 

 thological name.] Body 

 subovate, flat, granu- 

 lated; cephalic shield 

 somewhat lunate, often 

 pointed in front; gla- 

 bella large, convex, a furrow curving 

 inward and backward from the anterior 

 third on each side, and cutting off or 

 partly inclosing two oval spaces ; cheeks 

 small ; eyes large, reniform ; eye-line 



FIG. 1023.-L,epi- 

 docoleus jaine- 

 sl. Fa b e r 's . 

 Cincin nati 

 specimen. 



