Pisces 1 
PISCES. 
BY 
G. A. BoULENGEK. 
GENERAL* 
Cope, E. D. Synopsis of the Families of Vertebrata. Am. Nat. xxiii, 
pp. 849-877. [Issued March, 1890.] 
Fishes are arranged in the following manner : — 
Superclass I. Cepiiarociiorda. 
Class i. Aciiania. Ord. Leptocardii. Fam. Brancluostomklai. 
Superclass II. Craniata. 
Class i. Agnatiia. 
Subclass i. OstrAcodermi. 
Order i. Arriiina. Fams. Pteraspidce, Ceplialaspidai. 
Order ii. Diplorrhina. Fam. Mycteropidcc. 
Subclass ii. Marsipobranchii. 
Order i. Hyperotreti. Fams. Myxinida Bdellosto - 
midce. 
Order ii. Hyperoarti. Fam. Petromyzontidce. 
Class ii. Pisces. 
Subclass i. Holocephali. Ord. Ciiim^eroidei. Fam. Chima- 
ridai. 
Subclass ii. Dipnoi. Ord. Sirenoidei. Fams. Dipteridcv, 
Ceratodontidai , Lcpidosirenidai . 
Subclass hi. Elasmobranchii. 
Order i. Ichtiiyotomi. Fams. Xenacanthidcc , Clado - 
dontidce. 
* An asterisk prefixed to a quotation indicates that the Recorder has not seen 
the journal or work referred to. 
