]\Ir. Halsteds Experience. 



63 



the rest in the incubator, subjecting the latter to a dry heat. At the end of three days there was a 

 discernible difference, and at seven days a very marked difference in the weight ; at ten days there 

 was ovcy half an ounce difference in their respective weights. It is in consequence of these 

 discoveries that I so strongly recommend the constant application of moisture during artificial 

 incubation ; and knowing how easy it is for a novice to overdo or come short in the matter, I 

 recommend the use of hens for the first seven to ten days. 



" It would be very easy to give a page or more of directions ' how to manage an incubator,' but 

 all the written directions in the world will not give some men success. Nothing but experience, 

 and that bought with many failures, will teach them the little attentions necessary to ensure success. 

 I have striven to give these plainly, and if any of my readers are benefited by it my labour will 

 not be lost. I add a table or record of daily temperature and remarks as jotted down by me 

 during a few weeks of successful operation." 



REGISTER OF INCUBATOR. 



Date. 



MERCURY. 



I 1 Open 



6 p.m. '10 P.m. Air, 



6 A..M. 



REMARKS. 



Ap: 



1869. 



ili3 

 14 

 15 

 16 



17 

 18 



19 

 20 

 21 

 22 

 23 

 24 

 25 



25 



27 

 28 

 29 



30 

 May I 



2 



3 



4 

 S 



9 

 10 

 II 

 12 

 13 

 14 

 IS 

 16 



17 



98° 



97 

 100 



lOI 

 lOI 



102 



lOI 



100 



lOI 



102 

 100 



lOI 

 102 

 100 

 lOI 

 100 

 lOI 

 102 



103 

 102 

 102 

 102 

 lOI 

 102 

 102 

 lOI 

 102 

 102 

 lOI 

 102 

 102 

 lOI 

 lOI 

 102 



104'- 



lOI 



lOI 



103 

 102 

 102 

 102 

 102 

 lOI 



103 

 102 

 102 

 102 

 lOI 

 102 

 102 

 103 

 I°3 

 103 



103 

 103 

 102 

 102 



103 

 102 



103 



J03 

 102 



103 

 103 

 103 



103 



102'- 

 102 

 104 

 103 

 103 



103 

 102 

 102 

 lOI 



103 

 103 

 102 



103 

 102 



103 

 102 



103 

 102 



103 



103 

 103 

 103 



i°3 



103 



102 



103 

 103 

 103 

 103 



104 



102 

 104 



3S° 

 40 



37 

 40 

 42 

 38 

 41 

 43 

 42 



45 

 44 

 SI 

 48 

 42 

 48 

 40 

 46 

 50 

 55 

 51 

 48 



47 



03 52 



SI 



54 

 52 

 5° 

 55 

 SI 

 57 

 60 



57 

 60 



Started heat in incub.itorat i P.M. At 10 P.M. mercury marked 115°. Turned do\vii lamp. 



Small leak under tank. Put in half an ounce of Indian meal. 

 Leak stopped. Lamp burning evenly. Trimmed twice. 

 Put in twenty eggs. 



Raw cold day. Wind east. Turned eggs three times. 



Filled lamp. Trimmed twice dally. Turned eggs three tmies. 



Put in twenty-two eggs. 



E.\amined first lot of eggs ; found five unfertile. 



Turned first eggs only twice daily. 



Replenished water in egg-drawer. 



Put in twenty-six eggs. Refilled lamp. 



Changed blanket under eggs. 



Examined second lot of eggs. Three unfertile. Turned two. 



Found one bad egg in remainder of first lot. 



Put in fifteen more eggs. 



Examined third lot of eggs. Four bad. Changed blanket under eggs. Refilled lamp. 



Absent from home. Examined third lot in evening. Four bad. 



Replenished water in egg-drawer. 



Put in thirty more eggs. 



Changed blanket. 



Two eggs pipped at 12 noon. Both out at 6 P.M. Three more pipped. 



Thirteen chicks from first lot, and one dead in shell. Refilled lamp. Examined fourth 



riot of eggs. One bad. 



Examined fifth lot of eggs. Tliree bad. 

 10 P.M. three eggs pipped. 



6 A.M. five chicks out, eight more pipped, and all out during day. 

 Four more chicks out, seventeen in all. Two eggs bad. Put in twenty more eggs. 

 Refilled lamp. Changed blanket. y^„„^ ;„ f^^;^, ^^,^^_ 



Bad egg broke in drawer. Took eveiything out, changed blanket and water, washing 

 Absent from home. No record of out-door temperature. Found six chicks out, and several 

 Eighteen chicks out. Two partly out, which I helped. One [eggs pipped 10 p.m. 



egg pipped, but dead. One egg bad. 



