BIBLIOGRAPHIC LIST OP GENERA AXD SPECIES. 455 



Diplograptus peosta Continued. 



Diplograptus amplexicaulis Whitfield and Ilovey (part), Bull. Amer. Mus. Nat. 



Hist., 11, pt. 1, 1898, pp. 20-21. Ruedemann, Bull. New York State Mus., 



42, 1901, p. 561. 

 Richmond (Maquoketa): Graf, etc., Iowa; Wisconsin; Illinois; Minnesota; etc. 



DIPLOGRAPTUS PRISTINIFORMIS Ruedemann. See Lasiograptus (Thysanograptus) 

 eucharis. 



DIPLOGRAPTUS PRISTINIFORMIS Hall (part). See Diplograptus dentatus. 



DIPLOGRAPTUS PRISTIS Ruedemann (part). See Glossograptus (Orthograptus) quad- 

 rimucronatus. 



DIPLOGRAPTUS PRISTIS Nicholson. See Diplograptus foliaceus. 

 DIPLOGRAPTUS PRISTIS Winchell and Schuchert. See Diplograptus peosta. 

 DIPLORGAPTUS PRISTIS Hall (part). See Diplograptus foliaceus vespertinus. 

 DIPLOGRAPTUS PUTILLUS Hall. See Climacograptus putillus. 



DIPLOGRAPTUS QUADRIMUCRONATUS Nicholson. See Glossograptus (Orthograptus) 

 quadrimucronatus. 



DIPLOGRAPTUS RUEDEMANNI Gurley. See Lasiograptus (Thysanograptus) eucharis. 

 DIPLOGRAPTUS RUGOSUS Emmons. See Diplograptus foliaceus. 

 'DIPLOGRAPTUS SECALINUS Eaton. See Diplograptus foliaceus. 

 DIPLOGRAPTUS? SEXTANS McCoy. See Dicellograptus sextans. 

 DIPLOGRAPTUS SPINULOSUS Walcott. See Glossograptus ciliatus. 

 DIPLOGRAPTUS TERETIUSCULUS var. PUTILLUS Freeh. See Climacograptus putillus, 

 DIPLOGRAPTUS TRICORNIS Carruthers. See Cryptograptus tricornis. 

 DIPLOGRAPTUS TRIFIDUS Gurley. See Diplograptus foliaceus trifidus. 



Diplograptus vespertinus (Ruedemann). 



Diplo^raptus pristis (part) Hall, Pal. N-ew York, 1, 1847, pi. 72, figs. 1, la, Ib, 



Ik, 11. 

 Diplograptus foliaceus mut. vespertinus Ruedemann, Mem. New York State Mus., 



11, pt. 2, 1908, pp. 352-354, pi. 25, figs. 4, 5, 18, text figs. 296-298. 

 Diplograptus vespertinus Ruedemann, Bull. New York State Mus., 162, 1912, 



p. 83. 



Chazyan (Normanskill): Van Schaick Island, etc., New York. 

 Trenton (Canajoharie) : Mohawk Valley, New York. 



DIPLOGRAPTUS VULGATUS var. ACUTUS Elles and Wood. See Diplograptus acutus. 



DIPLOGRAPTUS VULGATUS var. BASIUCUS Elles and Wood. See Diplograptus 

 basilicus. 



DIPLOGRAPTUS WHITFIELDI Nicholson. See Glossograptus whitfieldi. 

 DIPLOPHYLLUM Hall. See Diphyphyllum Lonsdale. 



DIPLOSTENOPORA Ulrich and Bassler. Genotype: Escharopora siluriana Weller. 

 Diplostenopora Ulrich and Baasler, Maryland Geol. Surv., Low. Dev., 1913, p. 276. 



