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 drawing by Toppan. 



Fig. 288. The tentacle of the last. 



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



Fijr. 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 g^risea ; from a sketch by Dr. G-ould. 



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



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

 Grand Manan." 



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



Fig, 296, Same as Fig. 294. 



