232 Mr Glaisher, On the developments of [Mar. 16, 



ration with solid MgS0 4 . It gives well-marked xanthoproteic 

 reaction, and coagulates at a temperature of 74° — 80° C 



In the lettuce is a body closely resembling the Hemialbumose 

 described by Dr Vines as occurring in many seeds. 



It is precipitated from its solutions by nitric or acetic acids, 

 and the solution of the precipitate in water does not coagulate on 

 boiling. It is precipitated also by potassic ferrocyanide and acetic 

 acid. 



In all the plants above mentioned and in the calx of the 

 gutta-percha tree of the East Indies the peculiar proteid alluded 

 to above appears to be present. 



In the vegetable kingdom thus representatives of the three 

 great classes of proteids, albumins, globulins, and peptones are 

 present. 



(5) On the developments of K', E', J', 0' in ascending powers of 

 the Modulus. Part II. By J. W. L. Glaisher, M.A. 



The present paper is a continuation of one bearing the same 

 title which was read to the Society on November 24, 1884, and 

 was published on pp. 184 — 208 of this volume. The sections are 

 numbered consecutively with those of the former paper. 



Forms of the equation EK' + E'K- KK' = \ir, §§ 31, 32. 

 § 31. The expression 



EK' + E'K-KK' 

 may evidently be written in the forms 



(i) EK' + (E'-K')K, 

 (ii) (E-K)K' + E'K, 

 (iii) (E - k' 2 K) K' + (E' - k 2 K') K, 

 (iv) {E-i(l+ k' 2 )K) K' + (E' - IVK') K, 

 ( v) {E-l k' 2 K) K' + {E' - 1 (1 + k 2 ) K'\ K, 

 (vi) {E-l 2 K)K'+{E'-lK')K; 

 that is, in the forms 



(i) EK' + I'K, 



(ii) IK' + E'K, 



(iii) GK + G'K, 



(iv) UK' + V'K, 



(v) VK' + U'K, 



(vi) WK' + W'K. 

 We thus deduce from the well-known formula 



EK' + E'K-KK' = ±7r (1), 



