XYLOPHA(iA — lIUMKRin/K. ' 1T8 



areolatus Cijhs., Tr. Am. Kiit. Sdc. i. :{75 ; Norton, il)i(l. ii, ;jr>H. J . Col. N.Mix. 



Behrensii Cri'sH., ibid, viii, .T). 9- <'i»l«- 



hiziiniitim'' Stt'|)h. (Sirfx), 111. Hiit. Ent. .Miiiid. vii, 111, pi. '.W, flg. 2 (=/aricor»«»). 



ceeruleus (Jiess., Trans. .\ni. Knt. Soc. viii, 154, 9. Viinf. 



califiirnicus Norton, ibid, ii, '.ViO, 9 (= var. albicoruiii). 



caudatus (Vi-hh. ; Norton, ibid. .3t>;{, % <$ . Can. Col. Cala. 



ciiictKn Drury Sirex), Exot. Inn. ii, 7'2, pi. .'W, fig. '2 (— Tremex coliimbn). 



cohimba Linn. iSirex), Syst. Nat. i, 929; Fabr.. Syst. Ent. 325 (= Tremex). 



Cressonl Norton, Tranw. Am. Ent. Soc. ii, .'«il, 9. U.S. 



cyanous Fabr. (Sirex) \ Norttm, ibid. .i.". % 9- tJ'Hi- U.S. 



dimidiatitti WeHtw. (Sirex), Tlu-s. Ent. Oxon. 11.5, pi. 21, fig. 5 (= <'re»»oni). 



duplex *>lnic-k. (Sirex', Loud. Miifj. Nat. Hi.>«t. n. .Kt-r. i, (ilU (^^ cyaneus). 



Edwardsii iSrullc- (Sirex); Xortoii, Trans. Am. Ent. Soc. ii, 3.">(), 9- V .'A. 



flavicornls Fabr. (.s'l'rej); Norton, ibid. :Ui2. 9. Brit. .Vni. U.S. 



flavipennis Kirby (Sirex), List. Hyni. Brit. Mns. i, .'JHO, j)l. ir>, fiji. 10, 9. Vane. 



fill rod net Kx Wcstw. (Sirex), Tlies. Ent. Oxon. Ill, pi. 21, tig. 1 (= zonatiis). 



fulvus Cress., Trans. Am. Ent. Soc. viii, 3."), % . Col. Utah. Wusli.Tcrr. 



erracilis VV;stw. (Sirex), Thcs. Ent. O.xon. 114, pi. 21, fig. 4 ; Tr. viii, .51. N.Am. 



hirsutua Kirby (Sirex), List Hym. Brit. Mus. i. :i>M\ pi. 1.5. fin. (i, %. (la.? 



jiireiiciin Kins (Sirex); Kirby, Faiiii. Bor.-.Vin. iv, 2.57 (^ ci/inieiis). 



latifasciatus Wcstw. (Sirex), This. Ent. Oxon. 114. pi. 21, fig. 2 : Tr. viii. .50. N.Am. 



melniicholieiis Wcstw. (Sirex), ibid, llfi, pi. 21, fig. 8 (= caudiifiis). 



morlo Wcstw. (Sirex), ibid. 11.5, jd. 21. fig. C, 9. N.Ani. 



Morrisoni Cress., Trans. Am. Ent. Soc. viii, 3.5. % 9- ^'^^- I't"''- Wash.Terr. 



nigricornls Fabr. (Sirex) ; Norton, ibid, ii, 3.59, % 9 • N^V. Cala. 



nitiiliix Harris, Treat. Ins. 2d cd. 427 (= ciiaueiis). 



peiisi/lrniiiciis Deticer (Sirex), Mem. Ins. iii, .593, p). 30, fig. 13 (= Tremex cohimbu -. 



tarsalis Cress., Trans. Am. Ent. Soc. viii, .52, 9 • Wash.Terr. 



tricolor Prov. ; Norton, ibid. ii. 3fi2; viii, 51, % 9- Ua.i. (= var. Cressoiii?). 



varipes Smith (Sirex), Lord's Nat. Vane I.s. ii, .342, ISWi, 9. Brit.Col. 



zonatus Norton, Trans. Am. Ent. Soc. ii, 3,57, % . N.Y. Md. 



TRI-LIIEX Jur. 



columba Linn. (Sirex) ; Norton, Trans. A>n. Ent. Soc. ii. 304, % 9 • t'an. I'.S. 



miiiinix Westw., Thes. Ent. Oxon. llfi. pi. 21. fig. 3 (= columba). 



obsoletiis Say, Lee. Edit. i. 74, \>). 32 (= eoliimba). 



nericeng Say, ibid. 73, pi. 32 ; Norton. Trans, ii, 3G6 (=^ var colnmbn). 



ServiUei Brulld-, Hym. 643, pi. 45, fig. 2 {= var columba). 



■•' Kirby (List. Hym. Brit. Mus. i. 3S1) seems to tiiink that tiiis is a distinct 

 species, lieing uniformly smaller than Jlnriconiis. 



