PLATE XXII. 
I'ig- 55- ^eometra diana: dorsal view of the type specimen from Stat. 294. ■ 2. 
Fig. 56. Neometra diana : lateral view of the same specimen. \ 2. 
F'S- 57- Occanometra magna: dorsal view of the type specimen from Stat. 251. Natural size. 
Fig. 58. Thalassometra niargaritifera : lateral view of the type specimen from Stat. 226. X 2 
Fig. 59. Pterometra venusta: dorsolateral view of one of the cotypes from Stat. 117. ■: 2. 
