Hardwicke's science-gossip : an illustrated medium of interchange and gossip for students and lovers of nature . y but obey a law of their nature implanted bythe All-wise Creator, whose beneficence is as manifest in the care with which He has providedfor the humblest and most despised creatures, asin the abundant provision which He has made forbeings more immediately useful to man. — EdwardII. Robertson, Brixton. LONDON COCKROACHES. {Ectohius germanica.) PT1HE two species of Cockroaches commonly found-*- in London houses are both importations fromabroad. One, the Blatta orientalis, or ordinary
Hardwicke's science-gossip : an illustrated medium of interchange and gossip for students and lovers of nature . y but obey a law of their nature implanted bythe All-wise Creator, whose beneficence is as manifest in the care with which He has providedfor the humblest and most despised creatures, asin the abundant provision which He has made forbeings more immediately useful to man. — EdwardII. Robertson, Brixton. LONDON COCKROACHES. {Ectohius germanica.) PT1HE two species of Cockroaches commonly found-*- in London houses are both importations fromabroad. One, the Blatta orientalis, or ordinary black-beetle, whicli swarms in .every locality,comes from the East Indies; the other, a NorthAmerican insect, the Blatta Americana, is largerthan the first, and of a light reddish brown read of this species that it is met with oc-casionally in warehouses and outbuildings by theThames, especially below London Bridge. Oflate years, however, the Blatta americana hasextended entirely across the metropolis, as it isfound in Red Lion and Bloomsbury Squares, and inthe Zoological Gardens, Regents Fig. 9. JZctobius Germanica. Two other species of Cockroaches are known inLondon—the Blatta maderae, a native of Madeiraand the adjoining islands, has been frequently takenin London; and the enormous Blatta gigas, fromWestern India, is common in our West IndiaDocks. This objectionable insect is called theDrummer—the noise it makes keeping peopleawake all night. These four species, all of them foreigners, belongto the genus Blatta; but the British species ofCockroach have been very properly separated fromBlatta by Mr. Westwood, and formed into thegenus Ectohius. About a dozen species are supposedto be indigenous to this country. They are smallerthan the species of Blatta ; and whereas in Blattathe first joint of the tarsus is longer than the otherstaken together, in Ectohius it is scarcely so Blatta, also, the males possess two styles withinthe two jointed organs
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