1868.] On the Development of the Semilunar Valves. 329 



Remeasurement of some of tJie Stars- of the above Catalogue. 



Stars South of 9 Orionis. 



Stars South (continued). 



h. 17 



1 " 

 preceding 7027 



42-8 



h. 54 



preceding 85-7 



175-1 



i8 



6837 



244-1 



62 



39 



449-3 



26 



536-2 



207-6 



88 



following 66-7 



24-4 



27 



543"3 



71-8 



91 



I 12-8 



53-8 



33 



463-3 



113-6 



93 



96-3 



93-2 



36 



3827 



50*6 



95 



113-9 



440-5 



37 



355'3 



5^3 3 



103 





248-1 



40 



317-2 



420-9 



lOI 



151-5 



97-2 



41 



270*6 



36 



104 



178-7 



170-5 



43 



290-5 



483-4 



in 



227-1 



579-1 



45 



241-8 



117-9 



112 



239-6 



457 



47 



192*6 



397"8 



117 



359-5 



213-2 



50 



163-6 



1 16-7 



123 



380-4 



284-4 



52 



105-5 



398-3 



126 



412-6 



503-5 



53 



91-4 



273-1 



133 



507-1 



301-7 



51 



preceding 84-2 



21-8 



142 



following 783-6 



254-9 



Stars North of 9 Orionis. 



Stars North (continued). 



h. 12 



preceding 776*8 



70-5 



h. 86 



following 63*4 



669-0 



19 



6399 



10-2 



87 



6i*i 



99-8 



32 



4928 



286-4 



99 



148-8 

 144-6 



61 1-2 



35 



400-2 



270-4 



102 



488*0 



38 



304*0 



O'O 



109 



214-4 



272-8 



44 



246-8 



8*6 



108 



2 10-7 



440-3 



48 



172-9 



502-1 



113 



277-7 



658-9 



49 



i6i-2 



663 9 



120 



367-3 



195-3 



56 



preceding 86-1 



380-4 



124 



384-8 



584-7 



70 



following 9-0 



96*6 



129 



459-0 



387-9 



75 



24-1 



41-5 



136 



625-5 



65-7 



76 



32-2 



166-3 



137 



following 666-1 



363-9 



79 



following 21-0 



400-4 







April SO, 1868. 



Lieut.- General SABINE, President, in the Chair. 



The following communications were read : — • 



I. " Observations on the Development of the Semilunar Yalves of 

 the Aorta and Pulmonary Artery of the Heart of the Chick.^' 

 By Morris Tonge, M.A., M.D. Communicated by Dr. Beale. 

 Beceived March 24, 1868. 



(Abstract.) 



Kolliker is the only embryological author in whom I have found any 

 information about the development of the semilunar valves of the aorta and 



VOL. XVI. 2 H 



