THE OOLOGIST. 



15 



A New Beam or Sliding Caliper 



For Outside and Inside Measurements. 



For Naturalists, Ojlogists, Taxidermists, Mineralogists, Drawing Schools, &c- 



ijjll 



I ;r:uUKited into 6tths of an inc>» on oae side, and lOOths on the ofher- 



F-RIOES. 

 Length of Jaws. 



4 inch— Pocket Size Vi inch 



6inoh— •• IM, ■• 



8inch 81^ " . 



lOirich 2% ■• 



1^ inch 378 " 



Price 



8.00 



3f)0 



-1.(0 



.. 5.10 



Killing 



Sent bv mail postpaid to any part of the United State on rereipt of price. 



These Ca'ipers are made eritirely out of Steel, c-ireluny finished throiiKhont. and the end ot 



the jaws an'l scale hardened. The tifxhteni- g scew acts in conjiinrtion with a spring slide, so 



Itcannot injure the scale. For Oologisfs use. this new 4 inch Caliper in kx.vcti.y as good in 

 EVEfSY p.\nTiciTi..ir{ as tlie $t..")0 one. "ifered in our regular catalogue— In fact, as the jaws are 

 KONOEK it is rcaDv of gue.vtek value. 



The many uses tha-. Sliding Cal'pers can be put to are no^ as well known as they mieht or 



should be. among Naturalists or those working to sizes or standards. This is mostly owing to 



the hiih prices, for which they have hereto "ore been sold, and in presenting the above style of 



BLaIOING GALIPB.RS 



to my p trons. it is the intention to furnish them with an instrument that is Accurate. Reliable. 

 and of convenient and Xeat Size, for a Moderate Price, which will bring them in the reach of all. 

 OOLOfilSTS will find 'he 4 inch, or at larcesf. the inch size the most convenient for their 

 use. As snecimens of all kinds are usually measured in 100th- inch. The utility of this valuable 

 instrument, can only be appreciated by giving it a ti'ial. Send for one and be convinced. 



Address 



Frank H. Lattin, Albion, N. Y- 



CAVEATS, 

 tADE MARKS, 

 DESIGN PATENTS, 

 COPYRIGHTS, etc. 



For information and free Handbook write to 



ML'N.V >t CO.. :;r,i Bkoadwav, .\kw Yokk. 

 Oldest Ijiiri^aii for securing patents in America. 

 Kverjr patent taken out by us is broii^'iit before 

 the public by a nc^iioe (.'iveii free of charge in the 



Largest circulation of any scientific paper in the 

 world. Sniendidly illustrated. No intellipent 

 man shoiild be without it. Weekly, !S3.00 a 

 jear; $l..TOsix months Address MUNN & CO., 

 F(;blisu£H6, 3(>1 Broadway, Mew York City. 



STRAWBERRY PLANTS, 



ASPARAGUS ROOTS, 

 SEED POTATOES. 



I have clioiee plants of twenty lead- 

 ing varietie.'; of Straw berrie.'i, Tip.s of 

 ttie Oiiio Kasi)l)orry. Extra Fine 2 year 

 old roots of Harr's Mammoth, i'alnietto, 

 and Conover's Colossal Asi)aragiis and 

 Fifty seleeted varieties of Seed Potatoes. 

 VVlli sell at low rates, or will exchang- 

 ed for dcsiral)l(^ Kggs. specimens or 

 Hooks in Natural History. 



FRANK H. LATTIN, 



ALBION. N. Y. 



ALL future transactions in Birds Eggs shoiiU 

 lie aLid with "Lattin" munt be based on the pric- 

 es given ia the New ••Stdndard Catalogue.' 



