PLATE 5. 



THE HIGH-FINNED KILLER. 



Orca rectipinnis, Cope. (p. 17.) 

 Outliuo from ScaTiiniim's Marine MammiLls of tin; Xurthwi'st Coast. 



THE SKUNK PORPOISE, OR BAY PORPOISE. 



Lagenorhynchus gubernator, Cope (L. perspicillatus, Cope), (p- Hi.) 

 Oatlino from Procceilinga of tlio Acadoiiiy of Xatural Srii-iicc-.s, Pbilailelpliia, ISTfi. 



THE SPERM WHALE PORPOISE. 



Hyperoodon bidens, Owen. (p. 18.) 

 Sketch l)y James Ilenrj- Elako, 18C9, from specimen atrauded at Xortli Dennis, ifass. 



