G A. BENTALL, 



NATURAL SCIENCE ESTABLISHMENT 



(ENTOMOLOGY), »», O Q 



Dudley House, Southampton St., Strand, London, W.C.2. 

 ENTOWlOLOGlCAuly^ES OF ALL KINDS. 



collecting tnp ^%T"nidad and i^u ^^ ^ ^^c. The 



large collection of Insects ot '^^ ^^^^^^^^^^ J B,itish Guiana was also 



.vorld-famous Kaieteur Fall ^^^''^,^,, ,vith the collection, can 



visited, and a large photo o± this tall, to^e 



be seen at the above address. INVITED. [A.cjnst 1921. 



JST Sekies, lS64-1889.-Parts, 3/6 net each; ^ «^^^^^^' ttnd 3/6 extra. 

 A^ols. 1 to 25. . ^^,^^ .„^p VoUimes. Many of the 



to the P»bli=li8i-s- _ ^^j,]^ 



3b„ Sebie., Vol. 1 (1915).-Parts, 2,6 net each . ^ oU. 17/^^_^^ ^^^ ^^^^^ 



2 (191G).— 



3 (1917).— 



4 (1918).— 



5 (1919).— 



6 (1920).- 



8/6 net e.eh; Vols. 17/6, .tea^^ 



3,6 net each .,VoU.17/6_^ne^^^^^^^^^^ 

 a,6 net each; Vol. 17/6 n^each^^ 

 . .net each. Vols. 17/6j«tea^.,^ 



2 6ncte..ch;Vol.l7/6^net-K, 



IQOl („ivaWe in advance), 15/- mt.postfr^e- 



We keep in Stock everything required by 



COLLECTORS OF BIRDS' EGGS, INSECTS, 

 PLANTS, Etc. 



CATALOGUES FREE. 



