KUNGL. SVENSKA VETENSKAPSAKADEMIENS HANDLINGAR. Band 49. N:o 4. 



SOME NOTES ON THE DEYELOPMENT 



OF 



ECHINOCARDIUM GORDATUM (pem.) 



AND 



PARECHINUS MILIARIS (U 



BY 



HJALMAR THÉEL 



WITH ONE PLATE AND THREE ILLUSTRATIONS IN THE TEXT 



UPPSALA & STOCKHOLM. ALMQVIST & WIKSELLS BOKTRYCKERI-A.-B. 



BERLIN LONDON PARIS 



R. FRIEDLÄNDER & SOHN WILLIAM WESLEY & SON LIBRAIRIE C. KLINCKSIECK 



11 CARLSTRASSE 28 ESSEX STREET. STRAND 11 RUE DE LILLE 



