104 BRITISH ORTHOPTERA. 



DlSTKIBUTION IN BRITAIN. 



Perhaps the earliest reference we have to P. americana as 

 British is Stephen's statement in his 'Illustrations' as to its 

 being frequently taken in London previous to 1835. It was 

 first recorded from Burton in 1842 (Jourdain) and in 1869 

 had inhabited the breweries there for some years (Brown). 

 From the following localities at least it has also been recorded ; 

 but it is not always certain whether the references are to 



/ 



casuals or colonists : 



ENGLAND. Cambridge: (Sopfi). Derbyshire: Burton, 

 breweries [Brown] ; occasionally in Derby (Pullen). Devon : 

 (About twelve years since (in Hit. 1903) Bignell observed a 

 great number in the streets of Plymouth, evidently having 

 flown from a ship then in Great Western Dock. Since that 

 time they have established themselves in several bakehouses 

 in Plymouth (Bignell).) Common in Plymouth in houses, 

 bakehouses, etc. (Bracken 1913). Gloucestershire: (Edwards). 

 Kent: Dover (Burr). Lancashire: Leyland near Preston in 

 rubber-works (Charnley) ; Liverpool docks (C. W. Dale 1886, 

 Charnley 1904) ; Manchester in rubber-, dye-, and sugar- 

 works (Chappell), from a brewery yard in Feb. and June 

 1903 (Sopp), Ancoats, one (Crabtree), in Princess Street 

 (Nathan). London: Zoological Gardens (Lucas) ; about two 

 dozen, taken April 1916, in a warehouse in the City, amongst 

 bales of rush baskets from Japan (Moore) ; Covent Garden, 

 two, 20 Feb. 1897 (Bell-Marley, who did not think them 

 established there) ; Silvertown, thoroughly established in a 

 sugar refinery (Lucas) ; warehouses near the Thames, Red 

 Lion, and Bloomsbury Square (H. C. R. ' Science Gossip/ 

 1868); Junior U.S. Club cellars 1897, established (Bell- 

 Marley). Middlesex: Forty Hill, Enfielcl, nymphs and 

 imagines, 20 March 1907 (Edelsten) ; Chiswick, Royal Horti- 

 cultural Society's Gardens, 7 November 1896, a fine speci- 

 men (Wright). Monmouthshire : a coal-mine at Pontnewydd, 

 established (Edwards). Norfolk: (Edwards). Notts: Work sop, 

 casual, 20 Mar. 1902 (Eland Shaw) ; Mansfield, male and 

 female, 19 Feb. 1906 (Daics), Surrey : Kew Gardens a 

 large one found in the tropical propagating pits, April 1897 ; 

 one imago and three nymphs found alive in a case received, 

 18 October 1898, from the Belgian Congo State; four fine 

 specimens found in a case of plants from Singapore, June 

 1899; and two imagines in a package from Burma, March 

 1900. This species, which has established itself at the Zoo- 

 logical Gardens in Regent's Park, does not seem to have done 

 so at present in Kew Gardens or at any rate not to the same 



