(203) 



S a 



CALLITHAMNION DAVIESII. 



EXPLANATION OF DISSECTIONS, &c. 



Fig. 1 . — Callithamnion Daviesii, natural size. 

 2. — Tetrasj^ores. 

 3. — A tetraspore. 

 4. — Part of a filament. All magnified. 



END OF VOL. II. 



BRADBUKY AND EVANS, 



PKINTKRS EXTRAORDINARY TO THE QUBKX, 



WIIITEFRIARS. 



