XIV CONTENTS. 



Page. 

 Order IX. Flagiostomi— Contimied. 



Fnmily Scylliodontidae - 362 



Triakis 3G2 



Triakis semifasciatiis - - 362 



Family Mustelidae - 364 



Mustelus felis 364 



Family Cestracion tidac 364 



Ceetracion - 365 



Cestracion f rancisci .- 365 



Family Notidanidae - - 366 



1 Icptanchus maculatus - 367 



Family Spinacidae •- 367 



Acanthias 367 



Acanthias sucklii 368 



Sub-order II. Eajae 369 



Family Rhinobatidae -- 369 



llhinobatus 370 



Ebinobatus productus 370 



Family Torpedinidae 371 



Narcine californica 37 1 



Fam ily Eaiidae 371 



Raja 372 



Raja cooperi . ..... . 372 



Uraptera - . . 373 



TJraptera binoculata 373 



Family Myliobatidae 374 



Rhinoptera 374 



lihinoptcra vespertilio 375 



Order X. Dermoptori , 376 



Sub-order. Marsipobrancbii s. Cyclostomi 376 



Family Petromyzontidae 376 



Petromy zon ... 377 



1. Petromyzon tridentatus . 377 



2. Petromyzon ciliatus 378 



3. Petromyzon lividus 379 



4. Petromyzon plumbeus 3S0 



5. Petromyzon astori 380 



Ichthyomyzon 381 



1. Ichtbyomyzon castaneus 381 



2. Ichtbyomyzon hirudo 382 



Ammocoetes.. 383 



Ammocoetes cibarius 383 



Scolecosoma 384 



List of tbe plates - - 385 



Alphabetical index 389 



