134 FISHES OF SAN DIEGO—EIGENMANN. 
SPHYRNIDA. 
Sphyrna zygena (L.). 
KE, & E, ’89a, 10 and 11. 
This species is not uncommonduring summer. <A large specimen was 
taken on the Cortes Banks in August. One was caught in the bay 
on September 6 and others were taken off Point Loma August 28 
and September 24. It seems to be always accompanied by Hcheneis 
remora. 
ALOPID. 
Alopias vulpes (Gmelin). 
Two specimens of this species were taken in the fall of 1890. 
SQUATINIDA. 
Squatina squatina (L.). 
R. Smith ’80; J. & G. ’80a, 458; id. 781, 33; R. Smith ’85, July. 
This species is probably found in the bay throughout the year. It 
is not infrequently caught off the wharves. Specimens were seen on 
April 20, 1889, and January 15 and February 11, 1890. 
RHINOBATID. 
Rhinobatus productus Ayres. 
J. & G. 80, 34; R. Smith ’80; J. & G. ’80a, 458; id. ’81, 34; id. ’82, 876; R. Smith 
’85, July. 
Jaught off the wharves in spring. 
Rhinobatus exasperatus Jordan & Gilbert. 
J. & G. ’80, 32; R. Smith ’80; J. & G. ’80a, 458; id. ’81; id. ’83, 63 and 876; RK. 
Smith ’85, July. 
Common in the bay. 
Rhinobatus triseriatus Jordan & Gilbert. 
R. Smith, ’80; J. & G., ’80a, 458; id., ’81, 34; id., ’82, 64; R. Smith, ’85, July. 
Not uncommon in the bay. 
DASYBATID. 
Urolophus halleri Cooper. 
J. & G., 80, 31; R. Smith, ’80; J. & G., 80a, 457; id., 81, 35; id., ’82, 46; R. Smith, 
785, July. 
Very common. 
Pteroplatea marmorata Cooper. 
J. & G., ’80, 31; R. Smith, ’80; J. & G., 80a, 457; id., ’81, 35; éd., ’82, 47; Re 
Smith, ’85, July. 
Common. 
j 
