LEITZ PRISM BINOCULARS. 



Ne<w and Improved Models, 



lucreased light gathering power. Larger field of view, with sharp' 

 definition to the edge. Enhanced stereoscopic elifect. Perfect 

 mounting of the prisms by patented device. AbsoUUe protection of 

 optical parts against dust and moisture. Extreme lightness com- 

 bined with strength and rigidity. Supplied with or without central 

 focussing screw. 



f^ These Binoculars are made witli the same care and precision as tlie 

 ■^ Leit7. Microscopes, so much appreciated by workers with the latter. 



Descriptive Price List Free on Request. 



El c" I T T Oxford House, 



. UiC.1 I ^, 9, Oxford Street, London, W. 



Or through first-class Opticians. 



PLEASE NOTE. 



I can offer you genuine British Lepidoptera, condition 

 fine, data reliable, price reasonable. x\lso Life=histories 

 mounted in first-class style, and true to nature. Send for 



Lists. 



LEONARD TATCHELL, LEPIDOPTERIST, SWANAGE. 



REMEMBER! 



Tlie ORIGINAL and LARGEST BUTTERFLY FARM in the 

 BRITISH ISLES is HEAD'S. 



(Established 1B84.) 



All Immeuse Stock of Fertile Ova, Living Larvae & Pupae, & Set SpecimeDs always on Sale- 



Many GOOD VARIETIES and HYBRIDS frequently in Stock. 



Apparatus and Cabinets of the best quality supplied. Price List sent free. 

 Note the Address — 



H. W. HEAD, entomologist. 

 BURNISTON, NEAR SCARBOROUGH. 



