xxiv SYNOPSIS OF GENERA. 



otus, P. \. l:.; mi r. Neues Juhrb. fiir Min. 

 irit. Trilobites. 

 rEK. Mo rrilobites. 



[864. A' - I Brit. Trilobites. 



M B lYilobites 



l^.-| - : i:k. Monog. Brit. Trilobites. 



. De Vi i;v in. Bull, de la Soi France. 



Li Bi |>hore el < tonstantinople. 

 juart. .lour. Geol. Soc. 

 1866. Homalonotus, D'Archiai . Pischee ami Dm Vbrneoil. In Tchihatcheff's Asie Mineure. 



i i] te rendus. 



L867. B ■ Etheridgb. Quart. J ■. Geol. Soc. 



Prodr. d. descript. ge"ol. de Belgique. 

 . . :•] Woodward. Monog. Brit. Trilobites. 

 IsT'J. // , Barrakde. Syst. Sil. Bohfime, vol. i, suppl. 



1n7:i. Homalonotus, Washburn. Amer. Jour. Science. 

 1^7.". H s, II''.. i and Rathbun. Ann. Lye. Nat. Hist. 



;; . [llustrations of Devonian Fossils. 

 1876. // . ■' ' ; .'. RffiMER. Lethsea palseozoica. 



1S7<. // . Av.m.in. Palaeontologia Scandinavica. 



11ml. Twenty-eighth Rept. N. Y. State Mus. Nat. Hist. 

 L879. Hi B in's Class, u. Ordnung. der Thierr., vol. v. 



1881. il .1:1111. Zeitschr. d. deut. geol. Gesellsch. 



1881. Ho Ball. Eleventh Rept. Geol. Surv. Indiana. 



1881. Homalonotus, Woodward. Geol. -Mai'-., vol. viii. 



1882. Homalonotv . Geol. Mag., vol. ix. 



B '. is. Rech. sur les Terrains anc. des Asturies el de la Galice. 

 i nog. llomal. Art. Rhein. Unterdev. 

 ■/Ins, Novak. Zur Kenntn. bohm. Trilob. 

 1884. Hi s. Novak. Studien an Hypost., ii 



1884. //" . Beushadskn. Oberharz. Spirif. Sandstn. 



1885. /'' Whitfield lull Am. Mus. Nat. Hist., No. ti. 

 i - v "'. //' •■ i.Li.r. Proc. Geol. Assoc, and Ann. de la Soc. g6ol. du Nord. 

 L886. II . 'I Fau liein. Unterdev. 



1886. // , Gossi let. Ann. de la Soc. gdol. .In Nord. 

 Homalonotus, Barrois. Bull.delaS0c.g60l.de France. 



1886. Homalmi . I 1 1;. Bull, de la Soc. geol. de France. 



Diagnosis. Body usually la rge, produced, depressed 

 above, with abruptly sloping sides. Axial furrows 

 indistinct or obsolete. Surface smooth or spinose. 

 Wow depressed-convex, wider than long; genal 

 .•lilies rounded: anterior margin somewhat pro- 

 duced; glabella sub-rectangular, smooth or with 

 fainl lateral furrows; eyes small, situated somewhat back of the middle of the 

 shield ; the facial sutures run from the genal angles over the eyes, converging 

 toward the frontal margin, where they are connected by the transverse frontal 



