50 PROCEEDINGS OF UNITED STATES NATIONAL MUSEUM. 



The goDus Damalichthy^ is distiuguisbed from Ditrema by the ex- 

 traordinary development of the pharyngeal bones. 



115. Ditrema furcatum (Gid. ) Gtlir. 



San Diego to San Franciseo; exceedingly abundant everywhere. Not 

 noticed northward. It lives in sheltered bays and is taken with seines. 

 It rarely reaches a- pound weight, and is little esteemed. 



116. Ditrema atripes J & G. 



JMouterey Bay | abundant at Monterey, where large numbers are 

 taken in seines. It reaches the weight of 1^ pounds, 



117. Ditrema laterale (Agassiz) Gtlir. — Perch ; bnrf-Jlsh ; Blue I\rch 



Santa Barbara to Puget Sound ; very abundant. Northward the most 

 common of the larger species. It reaches a weight of 2 pounds, and is 

 an inix)ortant market fish, although poor and watery. 



118. Ditrema jacksoni (Agassiz) Gtlir. — Fervli ; Croaker; Surf-fish. 



San Diego to Puget Sound; scarce north of San Francisco, but ex- 

 tremely abundant south of Point Concepcion, and brought in large num- 

 bers to the markets. It reaches a weight of li i^ounds, and is about as 

 jjoor as the rest of the tribe. 



119. Hypsurus caryi (L. Agassiz) A. Agassiz. — Bngara. 



Tomales to Santa Barbara; generally very abundant in the edge of 

 the kelp, especially at Monterey. It is often taken with hook and line or 

 baited dip-nets, and sometimes in great numbers in seines. It is used 

 chiefly for bait for rock cod, the larger ones being sent to the markets. 

 It rarely weighs more than half a pound. In color it is one of the most 

 brilliant and attractive. 



120. Amphistichus argenteus Agassiz.— ;Si<r/-_/(67i; TVhiie Perch. 



Tomales to San Diego; locally very common on sandy shores, espe- 

 cially in the surf; more abundant at Soquel and Santa Barbara than 

 elsewhere. It reaches a weight of li pounds. 



121. Holconotus rhodoterus Ag. 



Tomales to Santa Barbara; not so common as most of the other spe- 

 cies, but often locally abundant; most numerous at Soquel. It reaches, 

 a weight of nearly IJ pounds. 



122. Holconotus agassizi (Gill) J. & G. 



Tomales to Santa Barbara; in abundance and distribution similar to 

 the preceding species. It rarely weighs over ^ pound. 



123. Holconotus argenteus (Gibbons) J. & G.— Wall-eye; White Perch. 



San Diego to Tomales ; everywhere abundant. Taken with seines in 

 great numbers in sandy shores, and often with hook and liae from the 

 wharves. It weighs about ^ pound, and is little esteemed. 



