430 PROCEEDINGS OF THE NATIONAL MUSEUM vol.90 



January, when 335 fishes were exammed and 64 strobilae found; on 

 five dates in February, 40 fishes exammed, 10 strobilae; four dates in 

 March, 110 fishes, 10 strobilae; four dates in April, 110 fishes, 16 

 strobilae; four dates in May, 45 fishes, 11 strobilae; one date in June, 

 one fish, 6 strobilae; one date in July, 1 fish, 3 strobilae; one date in 

 October, 20 fishes, 3 strobilae; two dates in November, 9 fishes, 5 

 strobilae; 11 dates in December, 649 fishes, 54 strobilae. On a few 

 dates the number of fishes was not recorded, in which cases one fish 

 was counted. 



Maximum length noted 300 mm., maximum breadth 5 mm. Meas- 

 m-ements of four scoleces in formalin: 



Ova thm-shelled, many collapsed, 0.072 by 0.042 mm. (U.S.N.M. 

 No. 8878). 



Specimen Jrom Acanthocottus octodecimspinosus. — Recorded by 

 me ^^ from this fish under the name Dibothrium punctatum (Rudolphi) . 



The common sculpin was examined for Entozoa by Edwards on 

 many dates over a long series of years. On a few dates the number 

 of fishes examined was not recorded. In such cases one fish was 

 counted in preparing the following summary. The record then shows 

 that 7 fishes were examined in January on three dates ; 6 in February 

 on one date; 10 in March on two dates; 182 in April on 32 dates; 70 in 

 May on 17 dates; 5 in June on one date; one in July on one date; 

 767 in October on 39 dates; 846 in November on 45 dates; 32 in 

 December on five dates. 



Following is a summary of collections of cestodes (U.S.N.M. No. 

 8879) made by Edwards from this fish: 2 on one date in February, 6 

 fishes examined; 6 on two dates in jVIarch, 10 fishes; 50 on 20 dates in 

 April, 123 fishes; 15 on eight dates in May, 52 fishes; 12 on 10 dates in 

 October, 436 fishes; 20 on 12 dates in November, 251 fishes; 3 on two 

 dates in December, 23 fishes. 



Strobilae with ripe segments were foimd in all the months in which 

 these cestodes were collected except January. FoUowmg are the 

 maximum measurements of strobilae noted: 



Length Breadth 



February 160 4 



March 235 4.5 



April 375 6.55 



May 86 (Not recorded.) 



October 170 4.25 



November li5 4 



December 275 4 



'« Bull. U. S. Bur. Fish., vol. 31, p. 586, 1911. 



