PLATE XX. 



Fig. 284. Doris pallida, Agassiz ; from a drawing by Toppan. 



Figs. 285, 286. Eggs of Doris coronata, Agassiz ; from a drawing by Toppan. 



Fig. 287. Doris pallida, from Beverly ; from a draAving by Toppan. 



Fig. 288. The tentacle of the last. 



Fig. 289. Doris teiiella ; from a drawing by Toppan of a Beverly specimen. 



Fig. 290, The tentacle of the last. 



Fig. 291. Enlarged view of the spicula of Doris pallida ; from a sketch by 

 Dr. W. Stimpson. 



Fig. 292. The same of Doris ji^risea; from a sketch by Dr. Gould. 

 Fig. 293. Doris teiiella; from a drawing by Toppan. 



Fig. 294. Doris planulata ; from the figure in the " Marine Invertebrata of 

 Grand Manan." 



Fig. 295. Doris grisea ; from an original drawing of Dr. Stimpson. 

 Fiff. 296. Same as Fig. 294. 



