76 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. 



ASAPHUS— Coutimied. 



Cryptonymus Eichwald, Obs. geog.-zool., etc., de Tril. (not 1840), 1825, p. 44; 

 Zool. Specialis, pt. 2, Vilnae, 1830, p. 114. — Goldfuss, Neues Jahrb. f. Min., 

 etc., 1843, pp. 541, 554.— Salter, Mon. Brit. Tril., Pal. Soc, 186G, p. 147, 160.— 

 Vogdes, Mon. Genera Zethus, Cybele and Cryptonymus, 1878, p. 15. — Zittel, 

 Handb. Pal., 2, Munich, 1885, p. 609. 



Hemicry]3turus Green, Mon. Tril. N. A. 1832, p. 20. — Burmeister, Org. der Tril., 

 Berlin, 1843, p. 124; Org. TriL, 1846, p. 107.— Hawle and Corda, Abh. d. k. 

 bohmischen Gesell. d. Wiss., 5, 1847, p. 69, pi. 4, fig. 37. 

 Observation. — Few of the above references apply to Asaphua s. s.,but all are 



inchuled here for future research upon this and allied genera,. 



A.sAPHU.'? ALACER Billings. See Brachyaspis alacer. 

 AsAPHUS ALPHA Raymond. See Basilicus marginalia. 



Asaphxis? astragolotes Green. 



Asaphus astragolotes Green Supp. 1, Mon. Trilobitea N. A., 1835, p. 11. 

 Ordovician: Grenville Canal, Canada. 

 Plastotype.— Cat. No. 25698, U.S.N.M. 



A.sAPHUs Barrandi Hall. See Ptychopyge ban-andi. 



Asaphus beta Raymond. See Isotelus be(a. 



Asaphus boliviensis D'Orbigny. See Megalaspis? l)o].ivien8ifl. 



Asaphus canadensis Cha])man. See Ogygites canadensis. 



Asaphus canalis Whitfield. See Isoteloides whilfieldi. 



Asaphus canalis Hall. See Isotelus canalis. 



Asaphus canalis Cleland. See Asaiihellus gyracanthus. 



Asaphus(?) caribouensis Walcott. 



Asaphus Caribouensis AValcott, Mon. U. S. Geol. Surv., 8, 1884, p. 98, pi. 12, 



figs. 7, 7a, b. 

 Upper Pogonip: Ridge east of Hambiu'g Ridgo, Eureka District, Nevada. 

 Cotype.~Qa\. No. 24652, U.S.N.M. 



Asaphus caudatus Green. See Dalmanites limulurus. 



Asaphus convexus Cleland. See S^inphysiu'us convexus. 



Asaphus cordieri Castelnau. See Dalmanites, limulurus. 



Asaphus corycceus Conrad. See Proetus corycceus. 



Asaphus? cryptunis Green. 



Asaphus cryplurus Green, Suppl. Mon. Tril()])ites North Amer., 1835, p. 18. 

 Silurian: Moose River, Nova Scotia. 

 Plastotype.—Qat. No. 4835, U.S.N.M. 



Asaph ii.s(?) curio.sus Billings. 



Asaphus? Curiosus Billings, Pal. Foss., 1, Geol. Surv. Canada, 1865, p. 318, fig. 305. 

 Asaphus? curiosa Walcott, Mon. U. S. Geol. Surv., 8, 1884, p. 98, pi. 12, fig. 15. 

 Canadian: Stanln-idge, Q\iebec (Beekmantown); Eureka District, Nevada 



(Pogonip). 

 Plesiotype.—CAt. No. 24651, U.S.N.M. 



