LIST OF PLAIES. 



1. MONODON — (Provincial Museum, Halifax ; from Jacqiiet River, N. B.) 



Sternum, one-half natural size. I^eriotic, natural size. 



2. MONODON— (Proviticial Museum, Halifa.K ; from Jacquet River, N. B.) 



vertebne, about one-fifth natural size 



3. MONODON— (Provincial Museum, Halifax ; from Jacquet River, N. B) 



Dorsal vertebrae, one-third natural size. 



4. MONODON — (Provincial Museum, Halifax ; from Jacquet River, N. B.) 



Lumbar and caudal vertcbriie, one-third natural size. 



5. Di:r,PHiNAPrKRU.s vermontanus, Thomi'SON— (State Museum, Mont- 



pelier, \'t. ; from Charlotte, Vt ). Upper figure one-fourteenth 

 natural size ; lower figures about one-fourth natural size, 



6. IJKI.PHINAPTERUS VERMONTANUS, THOMPSON- (State Museum, Mont- 



pelier, Vt. ; from Charlotte, Vt.). Anterior part of skeleton, about 

 one-seventh natural size. 



7. Df.i.I'Hinapterus vkrmontanus, Thompson— (State Museum, Mont- 



pelier, Vt. ; from Charlotte, Vt.). Sternum and ribs, one-third 

 natural size. 



8. Dfj.phinapteru.s ver.montanus, Thompson— (State Museum, Mont- 



pelier, Vt. ; from Charlotte, Vt.). Periotic, natural size. 



(164) 



