CHAPTER XL 

 THE COCKROACH OF THE PAST. 



BY S. H. SCUDDER, OF THE U.S. GEOLOGICAL SURVEY. 



SPECIAL REFERENCES. 



BEREXDT, G. C. Memoire pour servir a 1'histoire des Blattes antediluviennes 

 (Ann. Soc. Entom., France, V.). Paris, 1830. 8vo. 



BRODIE, P. B. A History of the Fossil Insects in the Secondary Rocks of 

 England. London, 1845. 8vo. 



GEINITZ, F. E. Die Blattinen aus der unteren Dyas von Weissig (Nova Acta. 

 Acad. Leop. -Carol., XLL). Halle, 1880. 4to. 



GERMAR, E. F., und BEREXDT, G. C. Die im Bernstein befindlichen Hemipteren 

 und Orthopteven der Yorvvelt. Berlin, 1856. Fol. 



GOLDENBERG, F. Zur Kenutniss der Fossilen Insekten in der Steinkohlen- 

 formation (Neues Jahrb. Miner). Stuttgart, 18G9. Svo. 



Fauna Sarajpontana Fossilis. Heft 1-2, Saarbriicken, 1873, 1877. 4to. 



HEER, O. Ueber die fossilen Kakerlaken (Viertelj. Xaturf. Ges., Zurich, IX.). 

 Ziirich, 1804. Svo. 



KLIVER, M. Ueber einige Blattarien . . . aus der Saarbriicker Steinkohlen- 

 formation (Pakeontogr. XXIX.). Cassel, 1883. 4to. 



KUSTA, J. Ueber enige neue Bohmlsche Blattinen (Sitzungsb. bb'hm. Ges. 

 Wissensch, 1883). Prag. Svo. 



SCUDDER, S. H. Palaeozoic Cockroaches (Mem. Bost. Soc. Xat. Hist., III.). 

 Boston, 1879. 4to. 



The Species of Mylacris (Ibid). Boston, 1884. 4to. 



A Review of Mesozoic Cockroaches (Ibid). Boston, 1886. 4to. 



Triassic Insects from the Rocky Mountains (Anier. Journ. Sc. Arts [3], 



XXV1IL). New Haven, 1884. Svo. 



- Systeuiatische Uebersicht der fossilen Myriopoden, Arachuoideen und 

 Insekten (Zittel, Handb. Palaeont. I. Abth., Bd. II.). Miincheu, 1885. Svo. 



WESTWOOD, J. O. Contributions to Fossil Entomology (Quart. Journ. Geol. Soc., 

 Lond., X.). London, 1854. Svo. 



LIKE all useful scavengers, the Cockroach is looked upon 

 nowadays as an unmitigated pest. It has, however, a certain 

 right to our regard, for it conies of a venerable antiquity. 

 Indeed, palaeontologically considered, no Insect is so interesting 

 as the Cockroach. Of no other type of Insects can it be said 

 that it occurs at every horizon where Insects have been found 

 in any numbers ; in no group whatever can the changes 



