426 PROCEEDINGS OF THE NATIONAL MUSEUM vol.90 



In October, six fishes were examined in separate years. Two 

 strobilae from one fish, aggregate length 945 mm., maximum breadth 

 2 mm.; no ripe segments. Two strobilae and a fragment from one 

 fish, maximum length 115 mm. Three strobilae from four fishes, 

 maximum length 440 mm., maximum breadth 6.5 mm. 



In November, 17 fishes were examined on five dates in three different 

 years: (1) Two from one fish, length 155 and 215 mm., breadth 1.5 

 and 6.3 mm.; (2) eight fishes, one from one fish and four and fragments 

 from others, maximum length 275 mm., maximum breadth 3.5 to 5 

 mm.; (3) one from one fish, length 290 mm., breadth 3.25 mm.; (4) 

 three and fragments from three fishes, maximum length 630 mm., 

 aggregate length 234.2 cm.; (5) one and fragments from four fishes, 

 maximum length 272 mm., aggregate length 850 mm. 



In December, seven fishes were examined on three dates: (1) Frag- 

 ments aggregating 151 mm. from three fishes, breadth 2 mm.; (2) 

 three from three fishes, lengths 182, 210, and 652 mm., maximum 

 breadth 4.5 mm., and two small slender strobilae, lengths 35 and 

 58 mm., maximum breadth 0.5 mm.; (3) 11 strobilae with scoleces 

 and fragments from one fish, aggregating 265 cm.; largest strobila, 

 nearly linear, length 435 mm., maximum breadth 3 mm. 



Cross sections of these cestodes from the sea raven show the longi- 

 tudinal muscles to be fascicled. Ova 0.066 to 0.072 mm. by 0.033 

 to 0.039 mm., average of ten 0.067 by 0.037 mm. 



Specimens from Hippoglossus platessoides. — The only record I have 

 of these cestodes from the sand-dab is that of two strobilae, lengths 

 100 and 64 mm., maximum breadth 3 mm., collected by Mr. Edwards 

 on November 12, 1898 (U.S.N.M. No. 8865). There are, however, 

 in the collection three scoleces mounted in balsam and a series of 

 sections. The scoleces agree with B. scorpii; the first segments are a 

 little broader than long. Measurements in balsam: Scolex, length 

 1.29 mm., breadth 0.28 mm.; fu'st segment length 0.15 mm., anterior 

 breadth 0.24 mm., posterior 0.29 mm. Ova 0.054 to 0.066 mm. by 

 0.03 to 0.036 mm. (pi. 61, fig. 9). 



Specimens from Lophius piscatorius. — Collected May 6, 1913, by 

 Vinal N. Edwards from seven fishes examined, two strobilae. Lengths 

 90 and 130 mm., maximum breadth 3 mm. 



Specimens from Lophopsetta maculata. — I have recorded this species 

 under the name Dihothrium punctatum (Rudolphi) from this fish 

 previously.^ 



My unpublished records show that 140 windowpanes have been 

 examined for Entozoa on 54 dates in 14 different years. This cestode 

 was found on one date each in June, July, September, October, and 



» Rep. U. S. Fish Comm. for 1887, pp. 731-736, pi. 2, figs. 1-4, 1890; Proc. U. S. Nat. Mus., vol. 20, p. 430. 

 1897; Bull. U. S. Bur. Fish., vol. 31, pt. 2, p. 586, 1911. 



