ILLUSIRATIONS 



PLATES 



Studies in Inheritance of Certain Characters of Crosses between 

 Dairy and Beef Breeds of Cattle 



Page 

 Plate I. A. — Eventime 4th: This is a good Aberdeen-Angus cow of rather 



light fleshing. B. — Hearthbloom: The rounded blocky conformation is 

 typical of the Aberdeen-Angus breed. C. — Orono Netta: Note the typical 

 horns thrown up well over the head 58 



Plate 2. A. — Lady Primrose's Governor of the Fountain: This imported bull 

 presents the characteristic conformation and white markings of the Guern- 

 sey breed. B. — Creusa's Lady: The illustration of this Guernsey cow is 

 inserted to show the large areas of white interspersed with cream-colored 

 hair typical of the coat of this breed. C. — This Holstein-Friesian bull is 

 of excellent constitution and vigor. He is the father of a good number of 

 otir crossbreds 58 



Plate 3. A. — Lakeland's Poet: This Jersey bull exhibits the dark type of 

 pigmentation at one end of the range of coat colors characteristic of the 

 breed. B. — Lassie of M. F.: The light pigmentation of the coat of this 

 Jersey exhibits one end of the range of coat colors characteristic of the 

 Jersey breed. C. — Crossbred 6: The characteristic shape of the head and 

 carriage of horns show plainly the Ayrshire blood of this Fj bull from a 

 Holstein-Friesian X Ayrshire cross 58 



Plate 4. A.— Crossbred 9: This crossbred is essentially of the beef type. 

 B. — Crossbred 11: This animal is distinctly an intermediate between the 

 Holstein-Friesian and the Jersey. C. — Crossbred 14: Another Holstein- 

 Friesian- Jersey cross; this time a bull 58 



Plate 5. A. — Crossbred 15: This Fj female out of a Jersey X Aberdeen-Angus 

 cross shows the characteristic polled condition of the females of the Aber- 

 deen-Angus crosses. B. — Crossbreed 19: A ty^pical freemartin bom 

 twin with No. 18. C. — Crossbred 23: A Holstein-Friesian X Jersey bull, 

 showing white hind feet and switch 58 



Plate 6. A. — Crossbred 28: This F2 bull comes from the cross of a black Fj bull 

 Aberdeen-Angus-Guemsey X Guernsey. B. — Crossbred 21: This bull 

 is the progeny of Kayan (Aberdeen-Angus clean-polled bull) mated with 

 Dot Alaska (Ayrshire) 58 



Hardening Process in Plants and Developments from Frost Injury. 



Plate A. i. — A cabbage leaf showing the chlorophyll distribution in the 

 intumescences. 2. — A cabbage leaf showing the comparative peroxidase 

 reaction given in the tiunor and leaf cells with tetramethylparaphenylene- 

 diamine 112 



Plate 7. A. — Injected areas of cabbage leaves photographed by transmitted 

 light immediately after freezing. B. — Injected areas of tomato leaves 

 photographed by transmitted light immediately after freezing 112 



Plate 8. A. — Tomato leaf showing the collapse of the palisade in the frozen 

 areas. B. — Crystals of calcium malo-phosphate in the injected areas of 

 cabbage leaves photographed by polarized light. C. — Young tumor of 

 cabbage leaf three days after freezing, showing large nuclei and multi- 

 nucleate cells iia 



(V) 



