568 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. - 



Graptodictya proava — Continued. 



Graptodictya proava Bassler, BulL U. S. Nat. Mus., 77, 1911, pp. 123-126, figs. 



49, 50; pi. 8, fig. 2; pi. 9, figs. 1-6. 

 Clathropora flabellata Hall, Foster and Whitney's Rep. Geol. Lake Superior 



Land Dist., pt. 2, 1851, p. 207, pi. 24, figs. 2a, b. 

 Stictoporella flabellata Nickles and Bassler, Bull. U. S. Geol. Sur\-., 173, 1900, p. 



416. 

 Stictoporella cribrosa Sardeson (not Ulricli), Jour. Geol., 9, 1901, p. 157, pi. B, 



figs. 7-9. 

 Middle Ordovician: Uxnorra, Estliouia, Russia (Wassalem); Kenyon, Minnesota, 



and Escanaba River, Michigan (Trenton). 

 Pledotype.— Cat. No. 57216, U.S.N.M. 



Graptolites (Didymograpsus) bryonoides McCoy. Sec Tetragxaptus serra. 



Graftolites (Didymograpsus) caduceus McCoy. See Didymograptus (Isograptus) 

 caduceus. 



Graptolites dentatus Vanuxem. See Glossograptus (Orthograptus) c|uadrimu- 

 cronatus. 



Graptolites (Didymograptus) extensus McCoy. See Didymogi-aptus extensus. 



Graptolites (Didymograptus) fruticosus McCoy. See Tetragraptus fruticosus. 



Graptolites (Didymograptus) logani McCoy. See Loganograptus logani. 



Graptolites nilssoni Harkness. See Monograptus gregarius. 



Graptolites (Didymograptus) octobrachiatus McCoy. See Dichograptus octo- 

 brachiatus. 



Graptolites priodon of authors. See Monograptus priodon. 



Graptolites pristis (part) of authors. See Diplograptus foliaceus. 



Graptolites (Didymograpsus) quadribrachiatus McCoy. See Tetragraptus 

 quadribrachiatus. 



Graptolites (Didymograptus) thureaui McCoy. See Goniograptus thureaui. 



Graptolites venosus Hall. See RetioUtes geinitzianus venosus. 



Graptolithus abnormis Hall. See Clonograptus abnormis. 



Graptolithus acutus Hopkinson. See Monograptus iutermedius. 



Graptolithus alatus Hall. See Tetragraptus alatus. 



Graptolithus amplexicaule Hall. See Diplograptus (Glyptograptus) amplexi- 

 caule. 



Graptolithus angustifolius Hall. See Diplograptus (Glyptograptus) anguslifolius. 



Graptolithus annectans Walcott. See Leptograptus annectans. 



Graptolithus arcuatus Hall. See Didymograptus arcuatus. 



Graptolithus arundinaceus Hall. See Mastigograptus arundinaceus. 



Graptolithus bicornis Hall. See Climacograptus bicornis. . 



Graptolithus bii'Idus Hall. See Didymograptus bifidus. 



