102 
1837 
1839 
1848 
1854 
1862 
1864 
1867 
1874 
187 
1881 
1888 
1888 
1890 
1892 
1893 
1894 
1894 
1895 
1895 
1899 
1900 
IQOI 
1904 
1906 
1907 
1843 
1853 
1868 
1876 
1877 
1878 
1878 
1881 
1886 
1888 
1889 
1893 
1907 
45 autographus Ratz. 
Bostrichus. Ratzeburg. Forstins. 1:160, ¢. 13, fig. 6 
Bostrichus. Ratzeburg. Forstins. 1:194-95, t. 13, fig. 6 
Nordling. Stet. Ent. Zeit. p. 240 
Ulsichy Dey Gat. edig3."p: (332 
Bostrichus. Bach. Kaefer. p. 124, 130 
Bostrichus. Doebn. Zool. 2:179 
Dryocoetes. Eichhoff. Berl. Ent. Zeit. p. 30, t. 1, fig. 18. 
Dryocoetes. Ferrari. Borkenk. p. 27 
Dryocoetes. Redtenb. Fn. Aust. ed. 3, 2:380 
Dryocoetes. Eichhoff. Rat. Tom. p. 284 
Dryocoetes. Eichhoff. Borkenk. p. 261, 262 
Dryocoetes. Hamilton. Am. Ent. Soc. Trans. 16:159 
Dryocoetes. Bedel. Faun. Col. Seine, 6:400, 416 
Dryocoetes. Hamilton. Ent. Am. 6:44 
Dryocoetes. Hopkins. Ins. Life, 4:258 
Dryocoetes. Hopkins. W. Va. Agric. Exp. Sta. Bul. 31, p. 137; Bul. 
25D. 205 
Dryocoetes. Hamilton. Am. Ent. Soc. Trans. 21:35, 406 
Dryocoetes. Hopkins. Can. Ent. 26:279 
Dryocoetes. Schwarz. Ent. Soc. Wash. Proc. 3:143 
Tomicus. Judeich-Nitsche. Forstins. 1:454 
Dryocoetes. Hopkins. W. Va. Agric. Exp. Sta. Bul. 56, p. 445 
Dryocoetes. Smith. Cat. Ins. N. J. p. 363 
Dryocoetes. Barbey. Scol. Europ. Cent. p. 1o1, pl. III, fig. 20; 
PlIi5, er 
Dryocoetes. Schwarz. Harriman Alaska Exp. 8, Ins. pt 1, p. 185 
Dryocoetes. Felt. N. Y. State Mus. Mem. 8, 2:336, 337, 469, 650, 
672, fig. 118 
Dryocoetes. Trédl. Nahrungs. Verbreit. Borkenk. Europ. p. 17 
[Entomol. Blatter, Nr. 1 mit 6] 
septentrionis Mannh. 
Bostrichus. Mannerheim. Bul. Mosc. p. 208, (261) 
Bostrichus. Mannerheim. Bul. Mose. 3:325, (210) 
Xyleborus. Leconte. Am. Ent. Soc. Trans. 2: 161 
Dryocoetes. Leconte. Am. Phil. Soc. Proc. 15:361 
Dryocoetes. Provancher. Faun. Ent. Can. 1:568 
Dryocoetes. Hubbard & Schwarz. Am. Phil. Soc. Proc. 17 :643 
=autographus Ratz. 
NEW YORK STATE MUSEUM 
Eichhoff. Rat. Tom. p. 284 
—autographus Ratz. Eichhoff. Borkenk. p. 262 
=autographus Ratz. Schwarz. 
Ent, Am. 2:42 
—=autographus Ratz. Bedel. Faun. Col. Seine, 6:416 
=autographus Ratz. Hamilton. Am. Ent. Soc. Trans. 16:159 
—=autographus Ratz. 
Hopkins» \W.) Vaz AcnclsE xpi Stas bulsest 
De 137s lisse pee oir 
Dryocoetes. 
Fall & Cockerell, Am, Ent. Soc. Trans. 33 :217 
