82 SUl WILLIAM DAWSON ON 



19. Archmoscnlex conieus, Matthew. 

 [Trans. B. S. Can., 1888, V., 39.] 

 Devonian, Little River Group, St. .Tolin, X. B.. eol. AY. G. Wilnon. 



Class— M YRI APOD A. 



(Jriler — Archipolypoda. 

 Family — A rcJi ii( Udœ. 



Genus — Xylobius. 



20. Xi/liibii(s si(j(Uaria\ Dawson. 



[.lournal Geological Society, XVI,, p. 271 ; Canad. Nat, VIII., 280: Acailian Geology, 2J eilu , p. 49-496, supple- 

 ment, p. -oO; Air-breathers, p. 02; Geo!. Maga., V., p. 216; .J. G. S., XXV., p. 441 ; Mem. Best. Socy., 

 N. H., II., 2.'i2 and 3(il ; also snp. note, foss. M\ r., 1 ; Contriluitions to Can. Pal., Geol. Survey of 

 Canada, II., p. 61.] 



Coal Formation, S. Joggins, Nova Seotia, col. J. W. D. (1858, deseribed in 1859). 



21. Xylobius Dawsoni, Scudder. 



[ ' cadian Geology, p. 406 ; J. G. S., XXV., p. 441 ; Mem. Best. Secy., N. H., II., 2.35 and 561, and sup. note Myr. 1 ; 

 Ac. Geol. Supplement, p. 56 ; Contrib. Can. Pal., II., ill.] 



Coal Formation, S. Joggins, Nova Seotia, col. J. W. D. 



22. Xylobins fractiis, Scudder. 



[.Acadian Geology, 2d éd., p. 496 ; II.. bupt., p. 56 ; J. G. S., XXV., p. 441 ; Mem. Host. Socy., N. H., 11., 234 and 

 361, and III., 148 ; Contrib. Can. Pal., II., p. 61.] 



Coal Formation, S. Joggins, N". Scotia, col. J. W. D. 



23. Xylobius similis, Scudder. 



[Acadian Geology, 2d éd., p. 496 ; J. G. S., XXV., p. 441 ; Mem. Bost. Socy., N. H., II., 233 and 551, and supt. note 

 1 ; Ac. Geol. Sup., p. 56 ; Coi trib. Can. Pal., II., 6l.] 



Coal Formation, S. Joggins, N. Scotia, col. J. W. D. 



Genus, Archilius. 



24. Archiulus xylobioides, Scudder. 



[Acadian Geology, 2nd éd., 496. .7. G. S., xxv., p. 441. Mem. Boston So--, of Na^. Hist., 11., 236 and .561, and 

 Sup. Note 1. Ac. Geol. Supt., p. 56.] 



Coal Formation, S. Joggins, Nova Scotia, col. J. "\V. D. 



25. Archiulus euphoberioides, Scudder. 

 [Contributions to Can. Pal., 11., p. 59.] 

 Coal Formation, S. Joggins, Nova Scotia, col. J. "W. D. 



20. Arrjiiulus Lj/clh\ Scudder. 



[Ibid., II., p. 60.] 



Coal Formation, S. Jotït^ins, Nova Sidtia, col. J. W. D. 



