332 



DR. MARTIN BARRY'S RESEARCHES IN EMBRYOLOGY. 



Table of Measurements. (Continued.) 



No. of 

 Figure. 



Animal. 



Actual Dimensions. 



Diameters 

 magnified. 



b. Ger- 

 minal 

 spot. 



c. Germinal 

 vesicle. 



f. Chorion 



(ovum). 



g^. Tunica 

 granulosa. 



h. Ovisac. 



h i. Graafian 



vesicle, or 



corresponding 



structure. 



24. 



25. 



26. 



27. 



28t. 



29. 



30. 



31. 



32. 



33. 



34. 



35. 



36. 



37. 



39. 



40. 



41. 



42. 



43. 



44. 



45. 



46. 



47. 



64. 



65. 



67:. 



68. 



69. 



71§. 



74. 



75. 



76. 



7911. 



Common Fowl . . 

 Common Fowl . . 

 Common Fowl . . 



Frog 



Frog 



Frog 



Salmon 



Cod 



Whiting 



Haddock 



Turbot 



Salmon 



Salmon . . , . . . 



Salmon 



Dog 



Mole 



Mole 



Mole 



Sheep 



Dog 



Hog 



Hog 



Dog 



Hog 



Mouse 



Dog 



Rabbit 



Dog 



Sheep 



Hog 



Hog 



Dog 



Pigeon 



Ox (Heifer). . . . 



440 

 440 

 100 



? 



100 



60 



240 



100 



100 



100 



240 



240 



100? 



25 



60 



100 



440 



240 



240 



440 



150 



100 



150 



100 



100 



100 



100 



? 



60 



100 



60 



100 



60 



25 



T^T to tV 

 1 



■sV and less 

 T-D-TT to -^Jj- 

 ■jVto-jV . 





-rhr 



-rV 

 ■rV 



tV 

 -rV 

 tV 

 tV 



nV 



I 



•rr 



-rV 



tV 



■sV to tV 



ih 



to 



■sV 



tV to tV 



-g to 3- 

 1 



1 



Ttr 



A to i 



to 



|toU 

 tV to -sV 



■5V 



to 



t The spots, marked d\ -^"'. 



X The ovum in this instance was enljarged, and probably in the course of being absorbed. 

 § g^, Membrana granulosa -yV'" in thickness. 



W^h, Proper membrane of the parasitic ovisac (incipient Graafian vesicle?) V" in thickness; its cavity l-J-'" 

 in lensrtb when crushed. 



