66 TRANSACTIONS OF THE [JaN, 9 



The Parallaxes of M and ^ Cassiopeise, Deduced From 

 Rutherford Photographic Measures. 



The results obtained are as follows : 



Parallax of >u Cassiopeise =0."275 + 0."024 

 Parallax of 6 CassiopeiiB =0."232 + 0."067 



The paper will appear in the Annals of the Academy. 



Prof. Rees made a few remarks on the above paper, after 

 •which Prof. George E. Hale, of the University of Chicago 

 described some of his recent investigations in solar j)hysics. 

 Prof. Hale exhibited lantern slides of the apparatus used by 

 him at the Kenwood Observatory, and some very remarkable 

 photographs of prominences and faculte which he has obtained 

 in full sunshine. 



Biological Section. 



Prof. OsBORN in the chair. 

 The following papers were presented : 



A. A. Julien — " Suggestions in Microscopical Technique," in- 

 cluding : 



(A) A carrier of cover impressions (mycoderm blood), 

 utilizing as clamps a coil of brass wire mounted in a 

 phial. The same device, with a platinum coil, serves 

 as a convenient staining phial for cover glass prepara- 

 tions. 



(B) A suggested medium for mounting delicately contrac- 

 tile protoplasmic objects. 



(C) Devices for avoiding inclusion of air-bubbles in 

 mounts. 



(D) Balsam-paraffine as a ring varnish. 



O. S. Strong — "On the components of cranial nerves of 

 Amphibia." In the seventh a dorsal root was shown to pass off 

 into a branch representing Ophthalmicus superficialis facialis and 

 Buccalis of Fishes, and innervating the lateral sense organs of 



